Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
11/2000
11/15/2000CN1058480C Catalysts and processes for the manufacture of vinyl acetate
11/14/2000US6147252 Ester interchange between alkyl ester of methacrylic or acrylic acid and alcohol in presence of catalyst by continuously conducting said reaction in continuous multistage distillation column while distilling off by-product alcohol
11/14/2000US6147251 Preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content; catalyst promoters in ethylene polymerization and copolymerization
11/14/2000US6147196 Reacting plant or animal oil with excess lower alkanol to yield crude fatty ester, glycerol, monoglyceride mixture, separating out alcohols, further esterification of glyceride, recovering lower alkanol fatty ester as evaporated overhead
11/14/2000CA1341138C Fluorine-containing chiral smectic liquid crystals
11/09/2000WO2000066587A2 Polyamines and their use in therapy
11/09/2000WO2000066528A2 Quinones for treatment of diseases
11/09/2000WO2000066261A1 Catalyst and method for producing vinyl acetate
11/09/2000WO2000066175A2 Conjugates as therapies for cancer and prostate diseases
11/09/2000DE19920796A1 Production of isobornyl (meth)acrylate, used in lacquer binder production, uses aqueous sulfuric acid and inhibitor in reaction of camphene with (meth)acrylic acid
11/09/2000CA2372611A1 Quinones for treatment of diseases
11/09/2000CA2368801A1 Conjugates as therapies for cancer and prostate diseases
11/08/2000EP1050526A1 Process for preparing tert-alkyl ester from carboxylic acid
11/08/2000EP1049537A2 Catalytic compositions and methods for asymmetric allylic alkylation
11/08/2000CN1272839A Process for preparing i(o)-(carboalkoxy) phenylmethanesulfonyl chloride derivatives
11/08/2000CN1058257C Process for production of cyclohexyl adipates
11/07/2000US6143935 Process for the preparation of 1,3-dicarbonyl compounds
11/07/2000US6143921 Method for producing vinyl acetate monomer from ethane or ethylene oxidation
11/07/2000US6143920 Chloroacetic acid ester is reacted with an alkali metal methoxide to give the methoxyacetic acid ester
11/07/2000US6143918 Reacting a mixture of a 4,6-dibenzoylresorcinol and a para-aldehyde with a secondary amine catalyst and a carboxylic acid solvent and reacting the methylene carboxylate compound formed in step with an alcohol or a carboxylic acid
11/07/2000CA2189054C Photodegradable polyesters
11/02/2000WO2000064853A2 Method of separating dimethyl carbonate and methanol
11/02/2000WO2000064852A1 Process for producing hydrogenated ester, hydrogenation catalyst for use therein, and process for producing the catalyst
11/02/2000WO2000064851A1 Acrylate monomer preparation using alkali metal alkoxides as ester interchange catalysts and bromide salt polymerization inhibitors
11/02/2000WO2000064850A1 Process for production of organic acids and esters thereof
11/02/2000WO2000064583A1 Metal catalysts and methods for making and using same
11/02/2000WO2000064555A2 Solvent extraction process
11/02/2000WO2000046235B1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors
11/02/2000EP1048643A1 Process for the preparation of chiral epoxides
11/02/2000EP1047660A1 Esters with musky odor and their use in perfumery
11/02/2000EP1047659A1 A process for making high purity fatty acid lower alkyl esters
11/02/2000EP1047658A1 Method for producing alkoxylated dimer fatty acids
11/02/2000EP1047657A2 Dry emollient compositions
11/02/2000EP0846097B1 Hydroformylation process
11/02/2000EP0846096B1 Hydroformylation process
11/02/2000DE19919153A1 One-stage production of liquid crystal monomers containing acryloyl groups, useful for producing birefringent 3-dimensional networks, comprises reacting mesogenic alcohol with 3-chloropropionic ester
11/02/2000CA2371169A1 Acrylate monomer preparation using alkali metal alkoxides as ester interchange catalysts and bromide salt polymerization inhibitors
11/02/2000CA2370894A1 Solvent extraction process
11/01/2000CN1058032C Liquid stabilizer composition for halogeno polymer
10/2000
10/31/2000US6140533 Reacting acrylic acid and a butene
10/31/2000US6140529 Synthesis of optically active cyclohexylphenylglycolate esters
10/26/2000WO2000063164A1 Method for carrying out the side chain bromination of 4-methyl biphenyl derivatives substituted at the 2'-position
10/26/2000WO2000063151A1 Mixture of adipic or phthalic acid diesters and isomeric nonanols
10/26/2000WO2000063150A1 Process for the preparation of a diol
10/26/2000WO2000063149A1 Process for the preparation of a diol
10/26/2000WO2000062927A1 Titanium-containing catalyst composition and processes therefor and therewith
10/26/2000DE19857302C2 Verfahren zur enantioselektiven Reduktion von 3,5-Dioxocarbonsäuren, deren Salze und Ester A process for the enantioselective reduction of 3,5-Dioxocarbonsäuren, its salts and esters
10/26/2000CA2366946A1 Titanium-containing catalyst composition and processes therefor and therewith
10/25/2000EP1046416A2 Method for preventing polymerization in thin-film type evaporating device
10/25/2000EP1045825A1 Novel polyethoxylated castor oil, process of making the same and formulations thereof
10/25/2000EP0889873B1 Process for preparing alkoxylated fatty acid alkyl esters
10/25/2000CN1271373A Dispersing agents and dispersions made therefrom
10/25/2000CN1271338A Processes and intermediates useful to make antifolates
10/25/2000CN1270950A Process for inhibiting polymerization of easy polymerized compounds
10/25/2000CN1270946A Preparing substituted olefine
10/24/2000US6137000 Contacting reactants selected from alkyl alcohols, alkane polyols, alkyl alkylene polyethers, alkoxyalkanol with carbon monoxide in presence of supported irridium and lanthanum series metals to form esters or carboxylic acids
10/24/2000US6136869 Depolymerization process for recycling polyesters
10/24/2000US6136803 Cycloalkyl ether indanamine compounds
10/24/2000US6136746 Poly-oxyanions as anchoring agents for metal complexes
10/24/2000US6136501 Polymers and photoresist compositions comprising same
10/24/2000US6136157 Method for organic reactions
10/24/2000CA2233807C Chlorination of substituted alkenes using tricholorisocyanuric acid
10/24/2000CA2120287C Process for preparing carboxylic acids or corresponding esters using an iridium-based catalyst
10/24/2000CA2072283C Process for the preparation of diacetylrhein
10/19/2000WO2000061536A2 Synthesis and pharmaceuticals of novel 9-substituted-1,5-dichloroanthracene analogs
10/19/2000WO2000061535A1 Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for its production and process for production of acetic acid or acetic acid and ethyl acetate using it
10/19/2000WO2000061523A1 Halogenation of protected phenols in meta position
10/19/2000DE19935453A1 Continuous production of alkyl (meth)acrylate, useful for producing aqueous polymer dispersions, e.g. adhesive, uses 3-stage pre-purification of reaction mixture, with final extraction with water to remove salts
10/19/2000DE19917025A1 Rapid preparation of 4-bromomethyl-biphenyl derivatives from 4-methyl compounds, using N-bromo-imide or -amide in carboxylic acid ester solvent, used as pharmaceutical intermediates
10/19/2000CA2369395A1 Halogenation of protected phenols in meta position
10/18/2000EP1044958A1 PROCESS FOR PRODUCING tert-BUTYL 4'-METHYL-2-BIPHENYLCARBOXYLATE
10/18/2000EP1044957A1 Process for inhibiting the polymerization of easily-polymerizable compounds
10/18/2000EP1044956A1 A process for the preparation of 2-(4-methylphenyl) benzoic acid derivatives
10/18/2000EP1044955A1 Processes for the preparation of organic diesters
10/18/2000EP1044954A1 Short chain diesters and process for their production
10/18/2000EP1044953A1 Process for the preparation of alkaline earth metal salts of beta-diketo compounds
10/18/2000EP1044067A2 A process for preparing vinyl acetate utilizing a catalyst comprising palladium, gold, and any of certain third metals
10/18/2000EP0760825B1 Polymerization and telomerization of vinyl monomers with fluorinated carbon as initiator
10/17/2000US6133470 Producing terephthalic acid and/or dimethyl terephthalate; toluene disproportionation conditions with crystalline molecular sieve catalyst to produce an intermediate product, which is oxidized without need for purification
10/17/2000US6133468 Method for preparing substituted benzyl bromides
10/17/2000US6133191 Chiral catalyst for stereocontrolled synthesis comprises a complex between transitional metal and a diphosphine constituted by an aromatic pentatomic bietherocyclic system
10/17/2000US6132926 Semiconductors
10/13/2000CA2305050A1 A process for the preparation of 2-(4-methylphenyl)benzoic acid derivatives
10/12/2000WO2000059860A1 Process for the preparation of vitamin a, intermediates, and process for the preparation of the intermediates
10/12/2000DE19927979A1 Preparation of alkylenediol dicyclohexanoate, useful as nontoxic plasticizers, by hydrogenation of the dibenzoate over Group 8 metal catalyst on macroporous carrier
10/11/2000EP1043304A1 Method for producing (hydroxyalkyl)alicyclic carboxylic acids and intermediates therefor
10/11/2000EP1043302A2 Method for handling waste oil
10/11/2000EP1043301A2 Carbonylation process
10/11/2000EP1043300A2 Process for the carbonylation of an alcohol and/or reactive derivative thereof
10/11/2000EP1043299A2 Liquid crystalline compound, liquid crystal composition comprising the liquid crystalline compound, and liquid crystal display device using the liquid crystal composition
10/11/2000EP1043064A2 Mixed metal oxide catalyst and use thereof in oxidation reactions
10/11/2000EP1043050A2 Method for refining easily polymerizable matter-containing substance and apparatus therefor
10/11/2000EP1042436A2 Method of preparing lipoproteins, lipoaminoacids, lipid esters, and glucolipids from chlorinated olive oil and/or its constituents
10/11/2000EP1042426A1 Invert emulsion drilling fluid containing mixtures of secondary esters obtained by conversion of olefins, and preparation thereof
10/11/2000EP1042273A1 Method for hydrogenating benzene polycarboxylic acids or derivatives thereof by using a catalyst containing macropores
10/11/2000EP1042272A1 Derivatives of 2,2-dimethyl 3-(2-fluoro vinyl) cyclopropane carboxylic acid, their preparation process and their use as pesticides
10/11/2000EP1042271A1 Method for cleaning system components
10/11/2000EP1042270A1 Asymmetric hydrogenation
10/11/2000EP0922085B1 Fragrance delivery system for liquid detergent compositions
10/11/2000CN1269352A Method for preparing vinyl ester using butene low polymers
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