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Color changing caulk

A caulk composition having a first color upon application and a second color upon formation of a skin, wherein said skin is suitable for application of a surface treatment.




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Method of producing a bis(2-carboxyethyl)alkyl phosphine oxide and a derivative thereof

A method of producing a bis(2-carboxyethyl)-alkyl phosphine oxide represented by the following general formula (1) is disclosed. ##STR1## The method comprises the following Steps 1-4: step 1 wherein phosphine is reacted with acrylonitrile to produce bis(2-cyanoethyl)phosphine and then, in step 2, reacted with an alkene to produce a bis(2-cyanoethyl)alkyl phosphine, and in step 3, reacted with an oxidizing agent to produce a bis(2-cyanoethyl)alkyl phosphine oxide, and in step 4, said bis(2-cyanoethyl)alkyl phosphine oxide is reacted with water or a lower alcohol to give a bis(2-carboxyethyl)alkyl phosphine oxide or a derivative thereof.




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Production of alkali metal cyclopentadienylide and production of dihalobis (η-substituted-cyclopentadienyl) zirconium from alkali metal cyclopentadienylide

A process for producing an alkali metal cyclopentadienylide is disclosed which comprises reacting in a solvent an alkali metal hydride with a disubstituted or trisubstituted 1,3-cyclopentadiene. Further, a process for producing a dihalobis(η-substituted-cyclopentadienyl)zirconium is disclosed which comprises reacting a zirconium halide with the above alkali metal cyclopentadienylide. The former process enables performing the reaction between the disubstituted or trisubstituted 1,3-cyclopentadiene and the alkali metal hydride at an easily controllable temperature of room temperature to about 150° C. and also enables obtaining the alkali metal cyclopentadienylide in high yield. The latter process enables obtaining the dihalobis(η-substituted-cyclopentadienyl)zirconium in high yield.




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Process of preparing a fluid rare earth alkoxylation catalyst

A process to prepare an improved fluid rare earth phosphate catalyst composition useful in preparing alkylene oxide adducts of organic compounds having active hydrogen atoms is provided. The catalyst is prepared by dissolving a rare earth salt in a C9-C30 active hydrogen containing organic compound and then adding phosphoric acid to the organic compound rare earth mixture.




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Alkali-free glass

Provided is an alkali-free glass, which is substantially free of alkali metal oxides, and has a strain point of more than 680° C., an average coefficient of thermal expansion in the temperature range of 30 to 380° C. of 40 to 55×10−7/° C., and a liquidus temperature of less than 1,200° C. Further, the alkali-free glass comprises, as a glass composition in terms of mass %, 55 to 70% of SiO2, 10 to 20% of Al2O3, 0.1 to 4.5% of B2O3, 0 to 1% of MgO, 5 to 15% of CaO, 0.5 to 5% of SrO, and 5 to 15% of BaO.




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Method for controlling 2-phenyl isomer content of linear alkylbenzene and catalyst used in the method

A method for controlling 2-isomer content in linear alkylbenzene obtained by alkylating benzene with olefins and catalyst used in the method.




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Catalysts, processes for preparing the catalysts, and processes for transalkylating aromatic hydrocarbon compounds

A catalyst comprising an aluminosilicate zeolite having an MOR framework type, an acidic MFI molecular sieve component having a Si/Al2 molar ratio of less than 80, a metal component comprising one or more elements selected from groups VIB, VIIB, VIII, and IVA, an inorganic oxide binder, and a fluoride component.




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Hydrophilic gels from polyalkylether-based photoinitiators

The invention provides a method for the manufacture of a catheter comprising a hydrophilic gel. The method comprising the steps of combining a polymeric photoinitiator of the general formula (I): R1(A1)r-(R2(A2)m-O)o—(R3(A3)n-O)p—R4(A4)s (I) with one or more gel-forming polymers and/or gel-forming monomers to form a matrix composition, curing the matrix composition by exposing it to UV radiation, exposing the matrix composition to a swelling medium and incorporating the hydrophilic gel into a catheter. The invention also provides autocuring of the polymeric photoinitiator (I) to provide a gel precursor, a hydrophilic gel and a catheter comprising or coated with the hydrophilic gel of the invention.




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Fluoroalkyl iodide and its production process

A process for producing a fluoroalkyl iodide as a telomer Rf(CF2CF2)nI (wherein Rf is a C1-10 fluoroalkyl group, and n is an integer of from 1 to 6) by telomerization from a fluoroalkyl iodide represented by the formula RfI (wherein Rf is as defined above) as a telogen and tetrafluoroethylene (CF2CF2) as a taxogen, which comprises a liquid phase telomerization step of supplying a homogeneous liquid mixture of the telogen and the taxogen from the lower portion of a tubular reactor, moving the mixture from the lower portion towards the upper portion of the reactor in the presence of a radical initiator over a retention time of at least 5 minutes while the reaction system is kept in a liquid phase state under conditions where no gas-liquid separation will take place, so that the taxogen supplied to the reactor is substantially consumed by the reaction in the reactor, and drawing the reaction product from the upper portion of the reactor.




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Synthesis of alkyl cyclopentadiene compounds

A method of synthesizing an alkyl cyclopentadiene compound is disclosed. The method includes contacting at least one cyclopentadienyl anion source and at least one alkyl group source to form at least one alkyl cyclopentadiene compound. The method further includes extracting the alkyl cyclopentadiene compound with a hydrocarbon solvent. The alkyl cyclopentadiene compound may be converted to a metallocene catalyst compound.




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Fluoroalkyl and chlorofluoroalkyl benzenes

This invention relates to fluoroalkyl and chlorofluoroalkyl benzenes with relatively high boiling points, having zero ozone depletion potential and low global warming potential. This invention also relates to the preparation of such fluoroalkyl and chlorofluoroalkyl benzenes. These materials can be used as reaction and heat transfer media, cleaning agents and as intermediates for biologically active materials.




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Liquid crystal compound having perfluoroalkyl chain, and liquid crystal composition and liquid crystal display device

The invention is to provide a new liquid crystal compound having a high clearing point, a good compatibility with other compounds, a small viscosity, and a high stability to heat, light and so forth; compound (1) is provided: R1CF2nR2 (1) wherein, for example, R1 is alkyl having 4 to 10 carbons or —(CH2)2—CH═CH2, R2 is alkyl having 2 to 10 carbons, n is 8, and R1 and R2 are not allowed to be straight-chain alkyl having an identical number of carbons.




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Process for purifying (hydro) fluoroalkenes

The invention relates to a process for removing one or more undesired (hydro)halocarbon compounds from a (hydro)fluoroalkene, the process comprising contacting a composition comprising the (hydro)fluoroalkene and one or more undesired (hydro)halocarbon compounds with an aluminum-containing absorbent, activated carbon, or a mixture thereof.




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Method of synthesizing bulk transition metal carbide, nitride and phosphide catalysts

A method for synthesizing catalyst beads of bulk transmission metal carbides, nitrides and phosphides is provided. The method includes providing an aqueous suspension of transition metal oxide particles in a gel forming base, dropping the suspension into an aqueous solution to form a gel bead matrix, heating the bead to remove the binder, and carburizing, nitriding or phosphiding the bead to form a transition metal carbide, nitride, or phosphide catalyst bead. The method can be tuned for control of porosity, mechanical strength, and dopant content of the beads. The produced catalyst beads are catalytically active, mechanically robust, and suitable for packed-bed reactor applications. The produced catalyst beads are suitable for biomass conversion, petrochemistry, petroleum refining, electrocatalysis, and other applications.




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Use of alkamides for masking an unpleasant flavor

An individual alkamide and/or a mixture having two or more different alkamides, is disclosed for changing, masking or reducing the unpleasant flavor impression of an unpleasant-tasting substance or mixture of substances. The alkamide can be trans-pellitorine; cis-pellitorine; 2Z,4Z- or 2Z,4E-decadienoic acid-N-isobutylamide; 2E,4E-decadienoic acid-N-([2S]-2-methylbutyl)amide; 2E,4E-decadienoic acid-N-([2R]-2-methylbutylamide); 2E,4Z-decadienoic acid-N-(2-methylbutyl)amide; achilleamide; sarmentine; 2E- or 3E-decenoic acid-N-isobutylamide; 3E-nonenoic acid-N-isobutylamide; spilanthol; homospilanthol; 2E,6Z,8E-decatrienoic acid-N-([2R]-2-methylbutyl)amide; 2E- or 2Z-decen-4-oic acid-N-isobutylamide; α-sanshool; α-hydroxysanshool; γ-hydroxysanshool; γ-hydroxysanshool; γ-hydroxyisosanshool; γ-dehydrosanshool; γ-sanshool; bungeanool; isobungeanool; dihydrobungeanool; or tetrahydrobungeanool, or combinations thereof.




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4-alkyl substituted pyridines as odiferous substances

The present invention primarily concerns certain 4-alkyl pyridines of the following formula (I), wherein R is C8-C12 alkyl, odiferous substance mixtures and aromatic substance mixtures containing these 4-alkyl pyridines, the respective uses thereof as an odiferous or aromatic substance (mixture) and corresponding perfumed products.




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Crosstalk analysis method

One implementation of the disclosure provides a crosstalk analysis method executed by a computer. The method includes steps of: executing a layout program; executing a crosstalk analysis program; acquiring, by the crosstalk analysis program, a plurality of parameters from a layout result generated by the layout program; estimating a crosstalk value according to the parameters; determining whether the crosstalk value is larger than a predetermined value; providing a layout suggestion table when the crosstalk value is larger than the predetermined value.




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Horizontal interconnects crosstalk optimization

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus generates a plurality of interconnect patterns for a set of longitudinal channels that are occupied by horizontal interconnects. Each interconnect pattern may be different from the other interconnect patterns. Each interconnect pattern may define relative locations for the set of horizontal interconnects and gap channels. Highest crosstalk is determined for each of the interconnect patterns and the interconnect pattern with the minimum highest crosstalk is selected as a preferred pattern. The highest crosstalk may comprise far-end crosstalk or near-end crosstalk and may be calculated for a range of frequencies or for a plurality of frequencies. The crosstalk may be calculated by modeling the interconnects as transmission lines.




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Branched alkoxylate surfactant composition

A composition is described containing a branched nonionic surfactant of Formula (I): (I) wherein x is a real number from 1 to 11, y is a real number from 1 to 20, R 1 is an alkyl group having 1 to 3 carbon atoms, R 2 is an alkyl group having 4 to 6 carbon atoms, and a primary 5 alcohol ethoxylate.




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Aminohydroxylation of alkenes

The invention relates to a process for the aminohydroxylation of alkenes using N-oxycarbamate reagents, e.g. N-acyloxycarbamate, N-alkyloxycarbonyloxycarbamate and N-aralkoxycarbonyloxycarbamate reagents. The invention particularly relates to an intermolecular aminohydroxylation reaction that can be carried out in the absence of added base. The invention also relates to novel N-oxycarbamate reagents that are stable crystalline materials. The process of the invention is useful in the synthesis of compounds having a vicinal amino alcohol moiety, such as biologically active compounds.




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Process for the preparation of fluoroalkyl (fluoro)alkyl carbonates and carbamates

Fluoroalkyl alkyl carbonates and fluorosubstituted carbamates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoroformates and the respective alcohol or amine. Methanol is the preferred alcohol, dimethylamine and diethylamine are preferred amines. Fluoromethyl methyl carbonate is the preferred compound to be produced. Fluoroalkyl fluoroformates can be prepared from aldehydes and carbonyl fluoride.




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Substituted phenylcarbamoyl alkylamino arene compounds and N,N'-BIS-arylurea compounds

Substituted phenylcarbamoyl alkylamino arenes; substituted phenylthiocarbamyl alkylamino arenes; substituted phenylcarbamoyl alkylamino heteroarenes; substituted phenylthiocarbamyl alkylamino heteroarenes; N-substituted aryl, N'-substituted aryl urea compounds; N-substituted aryl, N'-substituted heteroaryl urea compounds; N-substituted aryl, N'-substituted aryl thiourea compounds and N-substituted aryl, N'-substituted heteroaryl thiourea compounds are provided and may find use as androgen receptor modulators. The compounds may find particular use in treating prostate cancer, including castration-resistant prostate cancer and/or hormone-sensitive prostate cancer.




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Process for preparing diaryl carbonates from dialkyl carbonates

The invention provides a process for preparing diaryl carbonates from dialkyl carbonates and aromatic hydroxyl compounds using at least two reaction columns, a process section for recovering the dialkyl carbonate used in the reaction and for removing the alcohol of reaction, one or more process steps for removing the by-products obtained in the process which have a boiling point between that of the dialkyl carbonate and that of the alkyl aryl carbonate formed during the preparation of the diaryl carbonate, and a process step for further purification of the diaryl carbonate obtained from the reaction columns.




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Continuous production process of tertiary alcohols by radical addition of secondary alcohols to alkenes

A process is disclosed for producing tertiary alcohols by radical addition of secondary alcohols to alkenes. The reaction is carried out as a continuous process in the presence of an organic peroxide as a radical initiator and during a mean contact time of the reaction mixture of up to a maximum of 1 hour.




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Substituted 1-benzylcycloalkylcarboxylic acids and the use thereof

The present application relates to novel substituted 1-benzylcycloalkylcarboxylic acid derivatives, to processes for their preparation, to their use for the treatment and/or prevention of diseases, and to their use for producing medicaments for the treatment and/or prevention of diseases, especially for the treatment and/or prevention of cardiovascular disorders.




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α-keto alkylperacids and methods for producing and using the same

The present invention provides α-keto alkylperacids and methods for producing and using the same. In particular, α-keto alkylperacids are useful as antimicrobial agents.




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Ammonium fluoroalkanesulfonates and a synthesis method therefor

An ammonium hydroxyfluoroalkanesulfinate is obtained by using an organic base while sulfinating a bromofluoroalcohol with a sulfinating agent. An ammonium hydroxyfluoroalkanesulfonate is obtained by oxidizing the ammonium hydroxyfluoroalkanesulfinate. An onium fluoroalkanesulfonate is obtained by converting the ammonium hydroxyfluoroalkanesulfonate into an onium salt through esterification. This onium fluoroalkanesulfonate is useful as a photoacid generator in chemically amplified resists and the like.




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Process for the (AMM)oxidation of lower molecular weight alkanes and alkenes

A process for producing unsaturated carboxylic acids or unsaturated nitriles by vapor phase oxidation reaction of their corresponding C3 to C5 alkanes, C3 to C5 alkenes, and mixtures thereof, as a hydrocarbon starting material, wherein the process performance is monitored and the path of gasses through catalyst beds is altered. Improved catalyst lifetimes may be achieved.




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Method for producing cationized cellulose and method for producing cationized hydroxyalkyl cellulose

A production method of a cationized cellulose or a cationized hydroxyalkylcellulose, including step 1 for adding a cationizing agent to cellulose and mechanically decrystallizing the cellulose and step 2 for adding a basic compound to the mixture obtained in step 1 and mechanically decrystallizing the cellulose, or a production method of a cationized cellulose or a cationized hydroxyalkylcellulose, including a step 3 for adding a basic compound to cellulose and mechanically decrystallizing the cellulose and step 4 for adding a cationizing agent to the mixture obtained in step 3 and mechanically decrystallizing the cellulose. The cellulose and the cationizing agent are allowed to react with each other in step 2 or step 4.




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Coating agent comprising hydroxyalkyl cellulose

A coating agent containing a hydroxyalkyl cellulose in which a content of hydroxyalkoxy groups within the hydroxyalkyl cellulose is within a range of 40 to 50% by mass, preferably a coating agent containing a hydroxyalkyl cellulose in which the content of hydroxyalkoxy groups is within a range of 40 to 50% by mass and also a viscosity of 2% aqueous solution at 20° C. is within a range of 3.0 to 5.9 mPa·s; and a solid preparation coated with the coating agent.




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Phenyl alkyl carbamate derivative compound and pharmaceutical composition containing the same

A phenyl alkyl carbamate derivative compound and a pharmaceutical composition containing the compound are provided. More specifically, the phenyl alkyl carbamate derivative compound and a pharmaceutically acceptable salt thereof, a composition for muscle relaxation containing the phenyl alkyl carbamate derivative compounds and/or pharmaceutically acceptable salt thereof as an active ingredient, and a method of muscle relaxation comprising administering a pharmaceutically effective amount of the phenyl alkyl carbamate derivative compound and/or a pharmaceutically acceptable salt thereof to a subject in need of to a subject in need of, are provided.




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Method for preparing alkyl lactate and a method for preparing lactamide using the same

This disclosure relates to a method for preparing alkyl lactate with high yield and high selectivity, comprising the step of reacting glycerol with water or alcohol in the presence of a catalyst. In addition, the present invention provides a method for efficiently preparing lactamide using the alkyl lactate.




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Gaseous compositions comprising hydrogen fluoride and an alkylated ammonia derivative

A method of removing at least a portion of a silicon oxide material is disclosed. The silicon oxide is removed by exposing a semiconductor structure comprising a substrate and the silicon oxide to an ammonium fluoride chemical treatment and a subsequent plasma treatment, both of which may be effected in the same vacuum chamber of a processing apparatus. The ammonium fluoride chemical treatment converts the silicon oxide to a solid reaction product in a self-limiting reaction, the solid reaction product then being volatilized by the plasma treatment. The plasma treatment includes a plasma having an ion bombardment energy of less than or equal to approximately 20 eV. An ammonium fluoride chemical treatment including an alkylated ammonia derivative and hydrogen fluoride is also disclosed.




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Method for the production of alkylphosphonic acids, esters, and salts by oxidizing alkylphosphonous acids, and use thereof

The invention relates to a method for producing monocarboxy-functionalized dialkylphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester (II) thereof, and b) the obtained alkylphosphonous acid, the salt or ester (II) thereof is reacted with an oxidizing agent or with an oxidizing agent and water or with oxygen and water in the presence of a catalyst B to obtain the alkylphosphonic acid derivative (III), wherein R1, R2, R3, R4 are identical or different from each other and independently represent, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, X and Y are identical or different from each other and independently represent H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogenous base, and catalysts A and B are transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand.




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High molecular weight alkyl-allyl cobalttricarbonyl complexes and use thereof for preparing dielectric thin films

A method for forming a cobalt-containing thin film by a vapor deposition process is provided. The method comprises using at least one precursor corresponding in structure to Formula (I); wherein R1 and R2 are independently C2-C8-alkyl; x is zero, 1 or 2; and y is zero or 1; wherein both x and y can not be zero simultaneously.




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Method for producing mono-aminofunctionalized dialkylphosphinic acids and esters and salts thereof by means of acrylnitriles and use thereof

The invention relates to a method for producing mono-aminofunctionalized dialkylphosphinic acids and esters and salts thereof by means of acrylnitriles, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with an acrylnitrile of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted to yield a mono-aminofunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst C or a reduction agent, wherein R1, R2, R3, R4, R5, R6, R7 are the same or different and stand independently of each other, among other things, for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl and X stands for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and Y stands for a mineral acid, a carboxylic acid, a Lewis acid or an organic acid, n=an integer or fractional number of 0 to 4 and the catalysts A and C are formed by transition metals, transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand, and catalyst B is formed by compounds forming peroxides, peroxo compounds, azo compounds, alkali metals, alkaline earth metals, alkali hydrides, alkaline earth hydrides and/or alkali alcoholates and alkaline earth alcoholates.




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Substituted phenoxyethyl (isopropyl) acyloxyalkyl phosphonate comprising phosphorusheterocyclic ring and having herbicidal activity, and preparation therefor

A substituted phenoxyethyl(isopropyl)acyloxyalkyl phosphonate having phosphorusheterocyclic ring and having herbicidal activity, with a general formula of I, wherein R represents 5,5-dimethyl-1,3,2-dioxaphosphorinan-2-one-2-yl, or 1-oxo-1-phospha-2,6,7-trioxabicyclo[2,2,2]octan-4-yl, or 1-sulfo-1-phospha-2,6,7-trioxabicyclo 2,6,7-trioxabicyclo[2,2,2]octan-4-yl; R1 represents H, C1-C4 alkyl, phenyl, furyl, pyridyl, or phenyl substituted with methyl, methoxyl, nitro or chloro; R2 represents H, methyl, and methyl only if R in the general formula I is 1-sulfo-1-phospha-2,6,7-trioxabicyclo[2,2,2]octan-4-yl as phosphorusheterocyclic ring; X and Y represent H, halogen, C1-C4 alkyl or trifluoromethyl, and X and Y are the same or different. The compounds according to the present invention may be used as active component of dicotyledonous broadleaf weed herbicides.




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Esterification of furan-2,5-dicarboxylic acid to a dialkyl-furan-2,5-dicarboxylate vapor with rectification

A process for the manufacture of dialkyl furan-2,5-dicarboxylate (DAFD) vapor composition by feeding furan-2,5-dicarboxylic acid (“FDCA”) to an esterification reactor and in the presence of an alcohol compound such as methanol, conducting an esterification reaction to form an esterification vapor containing DAFD, unreacted alcohol compound, 5-(alkoxycarbonyl)furan-2-carboxylic acid (ACFC), and water, and continuously passing the esterification vapor through an ACFC condensing zone, that can be integral with the esterification reactor, in which at least a portion of the ACFC in the esterification vapor is converted to a liquid phase condensate, and continuously discharging the esterification vapor from the ACFC condensing zone as a DAFD vapor. There is also a DAFD vapor composition containing DAFD, water, unreacted alcohol, and by-products.




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Process for the preparation of quaternary N-alkyl morphinan alkaloid salts

An improved process for the N-alkylation of tertiary morphinan alkaloid bases to form the corresponding quaternary morphinan alkaloid derivatives.




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Process for producing 1,4-butanediol by hydrogenating dialkyl maleate in mixed liquid/vapor phase

A process for the production of 1,4-butanediol and tetrahydrofuran by catalytic hydrogenation of dialkyl maleates includes the following steps: a) hydrogenating a stream of dialkyl maleate in a first stage of reaction over suitable catalysts to produce dialkyl succinate;b) further hydrogenating the dialkyl succinate in a second stage of reaction, by using a different suitable catalyst, for producing mainly 1,4-butanediol, together with gamma-butyrolactone and tetrahydrofuran as co-products. In both stages of reaction the conditions, as hydrogen/organic feed ratio, pressure and temperature, are such to maintain the reactors in mixed liquid/vapor phase.




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C-3 cycloalkenyl triterpenoids with HIV maturation inhibitory activity

Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-3 cycloalkenyl triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I, II, III and IV: wherein X can be a C4-8 cycloalkyl, C4-8 cycloalkenyl, C4-9 spirocycloalkyl, C4-9 spirocycloalkenyl, C4-8 oxacycloalkyl, C4-8 dioxacycloalkyl, C6-8 oxacycloalkenyl, C6-8 dioxacycloalkenyl, C6-9 oxaspirocycloalkyl, or C6-9 oxaspirocycloalkenyl ring. These compounds are useful for the treatment of HIV and AIDS.




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Methods for synthesizing and purifying aminoalkyl tetracycline compounds

Methods for the synthesis and purification of 9-amino alkyl tetracycline compounds are described.




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Construction of a multivalent scFv through alkyne-azide 1,3-dipolar cycloaddition

The present invention provides for a practical, universal and efficient method to ligate two large macromolecules (e.g., proteins) using the alkyne-azide 1,3-dipolar cycloaddition reaction to produce a conjugated macromolecule, such as a multivalent scFv. The present invention also provides for conjugate macromolecules comprising a plurality of macromolecule components cross-linked through at least one linking group comprising at least one 1,2,3-triazole moiety, wherein at least 50 percent of the macromolecule components in the conjugate macromolecule has only one site available for cross-linking.




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Insecticidal N-substituted (6-haloalkylpyridin-3-yl)-alkyl sulfoximines

N-Substituted (6-haloalkylpyridin-3-yl)alkyl sulfoximines are effective at controlling insects.




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Bulk sulfidic mixed metal catalyst and methods for its manufacture and use in converting syngas to alcohol

A process for sulfiding a cobalt-molybdenum bulk catalyst precursor to form a bulk sulfided alcohol synthesis catalyst. The process steps include contacting an oxidic bulk cobalt-molybdenum catalyst precursor with an amount of a sulfur-containing compound which is in the range of about 1 to about 10 moles of sulfur per mole of metals, at one or more temperatures at or in excess of about 300° C. in a medium which is substantially devoid of added hydrogen, so as to form a sulfided bulk cobalt-molybdenum catalyst product. Also described are processes for forming the catalyst precursor, processes for producing an alcohol using the catalyst product and the catalyst product itself.




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Molybdenum dialkyldithiocarbamate compositions and lubricating compositions containing the same

A novel molybdenum dithiocarbamate composition is produced by preparing a di-tridecylamine (DTDA) intermediate from a butylene feedstock comprising greater than 50% 2-butylene, and preparing a molybdenum dithiocarbamate composition from the DTDA intermediate. The resulting molybdenum dithiocarbamate composition are according to formula (1), wherein R1 to R4 are C11-C14 isoalkyl groups, and X represents oxygen and/or sulfur atoms, and R1 to R4 comprise, on average, greater than 98% C13:




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Measuring polarization crosstalk in optical birefringent materials and devices based on reduction of line broadening caused by birefringent dispersion

Techniques and devices for measuring polarization crosstalk in birefringence optical media including polarization maintaining fiber.




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Frequency converter that suppresses crosstalk that occurs between a local oscillation signal and a received signal, and receiver that uses the frequency converter

The present invention is applied to a frequency converter used for a receiver. The frequency converter according to the present invention includes an LO signal generator (11) that generates an LO signal and outputs the LO signal; and a mixer (10) that multiplies a received signal that has been band-limited to a usable bandwidth of said receiver by the LO signal so as to convert the frequency of the received signal and outputs the resultant signal. Said LO signal generator is capable of varying a phase resolution.




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Walking assistance device

In a walking assistance device (10) that can transmit the power generated by a power generator (26, 28) to a femoral part of a user, a swing arm (60, 62) is attached to an output member of the power generator at a base end thereof, and is connected to a femoral support plate (68, 70) at a free end thereof via a pivot joint (64). The pivot joint includes a spherical projection (100) provided on the free end of the swing arm and a socket (112) provided on the femoral support plate, the socket defining a spherical recess (110) configured to receive the spherical projection to permit a tilting movement of the femoral support plate at least in two directions with respect to the free end of the swing arm. Thereby, the femoral support plate is enabled to accommodate the build and/or the movement of the femoral part of the user.




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Nano catalytic dewaxing of heavy petroleum wastes (>C-23 alkanes)

A catalyst comprising of nano nickel-silica catalyst for dewaxing of heavy petroleum feed at a temperature 200-350° C. at 8 bar and 30 bar hydrogen pressure and in the presence of hydrogen is designed for petrochemical industries. According to a specific aspect of the invention, the nano catalyst is designed and employed to convert heavy hydrocarbon feeds of high viscosity index to low pour point and good stability in a single step.