Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
02/1996
02/29/1996WO1996006066A1 Process for preparing refined acrylic esters
02/29/1996DE4430086A1 Verwendung von Phosphinsäure oder Organophosphonsäuren zur Farbstabilisierung von Estern ungesättigter Carbonsäuren mit 3 - 5 C-Atomen The use of phosphinic acid or organophosphonic acids for color stabilization of esters of unsaturated carboxylic acids having 3-5 C atoms
02/29/1996CA2197666A1 Process for preparing refined acrylic esters
02/28/1996EP0698596A2 Process for making an amine and an alkyl ester
02/28/1996EP0698595A1 Process for esterifying an oligomeric polyphenolic phytogenic extract, the obtained composition and its use
02/28/1996EP0687145A4 Production of fat mixtures enriched with triglycerides bearing short, medium and long residues
02/28/1996EP0682689A4 Synthesis of acetoglyceride fats.
02/28/1996EP0595942B1 Method of preparing polyol compounds
02/28/1996EP0577746B1 Improved process for preparing phenyl chloroacetate
02/28/1996CN1117726A Carbonylation process
02/28/1996CN1117487A Process for preparing carboxamides
02/27/1996US5495043 Substituted di-t-butylphenols
02/27/1996US5495041 Process for the preparation of a pentenoate ester
02/27/1996US5495033 Esterification of fatty acids in acidulated soybean soapstock
02/27/1996US5494933 Treatment
02/27/1996US5494605 Ferroelectric, chemically stable with wide temperature range
02/27/1996CA1338089C Sulfonic acid esters
02/24/1996CA2156698A1 Method for making an amine and an alkyl ester
02/22/1996WO1996005191A1 Natriuretic cyclic compounds
02/22/1996WO1996005165A1 Retinoic acid x-receptor ligands
02/22/1996WO1996005161A1 Process for preparing aromatic aldehydes
02/22/1996DE4428994A1 Prodn. of aromatic aldehyde from corresp. acid (ester)
02/21/1996EP0697393A2 Production of bisphenol monoester
02/21/1996EP0697386A1 Process for the inhibition of the polymérisation of vinyl aromatic or vinyl aliphatic compounds
02/21/1996EP0697014A1 Process for the preparation of a linear aldehyde organic compound
02/21/1996CN1117290A Bicyclic carboxylic acid leukotriene B4 antagonists
02/21/1996CN1031054C Process for production of bis-(hydroxymethyl)-cyclobutyl-purines and pyrimidines
02/20/1996US5493037 Nickel catalyst
02/20/1996US5493025 Reacting polyfluoroacid chloride with an acid chloride in presence of tertiary amine; intermediate for 2-arylpyrimidine, an herbicide
02/20/1996US5492873 Membrane having pores distributed throughout; pores containing catalyst
02/15/1996WO1996004289A1 High activity ruthenium or osmium metal carbene complexes for olefin metathesis reactions and synthesis thereof
02/14/1996EP0696567A1 Process for the purification by distallation of vinyle formiate
02/14/1996EP0696566A1 Process for production of phenyllactic acid derivative
02/14/1996EP0696474A2 Catalytic systems and methods for carbonylation
02/14/1996EP0696268A1 Ethylene glycol recovery process
02/14/1996CN1116850A Optically active beta-aminoalkoxyborane complex
02/14/1996CN1116618A Process for preparing sec-butyl acrylate
02/13/1996US5491266 Reacting chiral compound in presence of optically active metal-ligand complex
02/13/1996US5491255 Process for the transesterification of dimethyl succinylsuccinate
02/13/1996US5491244 Acrylate ester
02/13/1996US5491226 Process for preparing polyol polyesters having low levels of triglycerides
02/13/1996US5491167 Inhibitors of cholesterol biosynthesis
02/13/1996US5490952 Highly reactive form of copper and reagents thereof
02/13/1996US5490951 Zerovalent copper species capable of reacting with allylic halide or acetate to form allylic organocuprate; for synthesis of highly functional compounds
02/08/1996WO1996003366A1 2-(2,4,6-trimethyl phenyl)cyclopentane-1,3-dione derivatives
02/08/1996WO1996003358A1 Preparation of halogenated compounds
02/08/1996DE4442988C1 Prepn. of complex ester useful as emulsifier for pharmaceutical etc.
02/07/1996EP0695362A1 Chiral synthesis of tertiary alcohols with a hydrolase
02/07/1996EP0695295A1 3-(hetero)aryl carboxylic acid derivatives, methods of preparing them and intermediates used in their preparation
02/07/1996EP0695290A1 N-fluorosulphonimides, method of preparing them and their use as fluorination agents
02/07/1996EP0695287A1 Fullerene derivatives, methods of preparing them and their use
02/07/1996EP0541782B1 Process for preparing purified dimethyl naphthalenedicarboxylate
02/06/1996US5489731 Preparation of aromatic vinyl compounds
02/06/1996US5489585 Alkoxylated phenyl and coumarin derivatives useful in the treatment of viral infections
02/01/1996WO1996002625A1 Perfumes for laundry and cleaning compositions
02/01/1996WO1996002619A1 Unsaturated fats with improved low-temperature behaviour
02/01/1996WO1996002618A1 Process for the removal of dissolved metallic catalyst from ester products
02/01/1996WO1996002515A1 Heterocyclic- and carbocyclic-substituted benzoic acids and synthesis thereof
02/01/1996WO1996002490A1 Manufacture of perfumes for laundry and cleaning compositions
02/01/1996WO1996002489A1 Preparation of esters by the staged addition of the lower boiling point component of mixed alcohols or acids
02/01/1996WO1996002488A1 Method of stabilizing polyunsaturated fatty acids and their application in therapy and cosmetics
02/01/1996WO1996002484A1 Method of producing acyloines
02/01/1996CA2200067A1 Method of stabilizing polyunsaturated fatty acids and their application in therapy and cosmetics
02/01/1996CA2195479A1 Method of producing acyloines
02/01/1996CA2194771A1 Heterocyclic- and carbocyclic-substituted benzoic acids and synthesis thereof
02/01/1996CA2194055A1 Perfumes for laundry and cleaning compositions
02/01/1996CA2193111A1 Process for the removal of dissolved metallic catalyst from ester products
01/1996
01/31/1996EP0694526A1 Process for preparation of fluorinated beta-keto ester
01/31/1996EP0694525A1 Process and equipment for producing glycerol esters of fatty acids
01/31/1996EP0694524A1 Process for the preparation of butyle acrylate by direct esterification
01/31/1996EP0694523A1 Preparation of difluoroacetic acid fluoride and difluoroacetic acid esters
01/31/1996EP0694522A2 Process for preparing arylacetic acid derivatives by carbonylation of arylmethylhalogenids
01/31/1996EP0694029A1 Novel method for preparing beta-alkoxy acrylic acid
01/31/1996EP0600020B1 Asymmetric syntheses
01/30/1996US5488174 Hydroformylation process
01/30/1996US5488153 Process for the carbonylation of methanol or a reactive derivative thereof
01/30/1996US5488152 Process for the preparation of 4-alkoxy-3,5,6-trifluoro-phthalic acids and 3-alkoxy-2,4,5-trifluorobenzoic acids
01/30/1996US5488143 Processes for the carbonylation of methanol to form acetic acid, methyl acetate and acetic anhydride
01/30/1996US5488142 Fluorination in tubular reactor system
01/30/1996US5488141 Removal of carbonyl impurities from αβ unsaturated carboxylic acid esters
01/30/1996US5488138 Process for producing highly pure carboxylic acid phenyl esters
01/30/1996US5488135 Bis(phenyl)ethane derivatives
01/30/1996CA1338017C Derivatives of physiologically active substance ml-236b and process for production thereof
01/29/1996CA2154847A1 Preparation of difluoroacetic acid fluoride and difluoroacetic acid esters
01/29/1996CA2154829A1 Homogeneous process for the ruthenium catalyzed addition of carboxylic acids to alkynes
01/28/1996CA2154215A1 Process for preparation of fluorinated beta-keto ester
01/25/1996WO1996001923A1 Use of alkoxylation products of oh group-containing carboxylic acid derivatives and/or carboxylic acids
01/25/1996WO1996001831A1 Heteroaromatic diphosphines as chiral ligands
01/25/1996DE4425436A1 Verfahren zur Herstellung von Acyloinen A process for preparing acyloins
01/24/1996EP0693473A1 Method of producing pivaloylacetic acid ester
01/24/1996CN1115313A A process for producing a substituted benzoyl fatty acid derivative
01/23/1996US5486636 Chemical intermediates
01/23/1996US5486348 Zeolite L preparation
01/23/1996CA1337991C Basically substituted phenylacetonitriles, their preparation and drugs containing these compounds
01/23/1996CA1337989C Azolylmethyl-cyclopropyl derivatives
01/23/1996CA1337985C 4-substituted anthracyclinones and their preparation
01/18/1996DE4425180A1 Ungesättigte Fettstoffe mit verbessertem Kälteverhalten Unsaturated fatty compounds with improved low-temperature behavior
01/18/1996DE4424532A1 Verwendung von Alkoxylierungsprodukten von OH-gruppenhaltigen Carbonsäurederivaten und/oder Carbonsäuren Use of alkoxylation of OH-containing carboxylic acid derivatives and / or carboxylic acids
01/17/1996EP0692479A1 1,2,3-Oxathiazin-4(3F)-one-2,2-dioxides, process for their preparation and their use as electrophilic fluorination agents
01/17/1996EP0683765A4 Improved esterification process.