Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
08/1993
08/25/1993EP0249610B1 Synthesis of optically active aryloxypropanolamines and arylethanolamines
08/25/1993CN1021908C Method for preparing novel diamine derivatives
08/25/1993CN1021906C Method for the preparation of ethers
08/24/1993US5239112 Reacting vinyl ester and alcohol in solvent having specific dielectric constant using palladium or platinum catalyst
08/24/1993US5239111 Propylene glycol monomethyl ether propionate compound and the process for the preparation thereof
08/24/1993US5239109 Reacting carbon monoxide with H2 to produce alcohol and carbon monoxide with water to produce formic acid, esterification
08/24/1993US5238600 Electrooptical cells
08/24/1993CA1321603C N-2,3-butadienyl tri- and tetraaminoalkane derivatives
08/24/1993CA1321602C N,n-bis(hydroxyethyl)hydroxylamine ester stabilizers
08/24/1993CA1321601C 2-chloro-4-((cyanomethyl)thio)phenyl n-methyl carbamate
08/24/1993CA1321597C2 Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof
08/24/1993CA1321596C2 Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof
08/24/1993CA1321595C2 Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof
08/20/1993CA2088529A1 Process for decoloring a fatty acid ester and a food or cosmetic composition containing the ester
08/19/1993WO1993016029A1 Substituted phenylethenyl compounds having retinoid-like biological activity
08/19/1993CA2129830A1 Substituted phenylethenyl compounds having retinoid-like biological activity
08/18/1993EP0555472A1 Process for ozonizing unsaturated fatty acid or lower alkyl ester thereof and oxidative decomposition of the resulting ozonide
08/18/1993EP0555335A1 Process for the purification of hydroxypivalyl hydroxypivalate.
08/18/1993EP0318591B1 Process for preparing dihydroxynaphthalene
08/18/1993CN1021830C Solidifiable compound
08/18/1993CN1021823C Process for substituted benzodihydropyran compound for treating asthma, arthritis and other diseases
08/18/1993CN1021822C Prepn. for intermediates for the production of epipodophyllotoxin
08/18/1993CN1021818C Process for purifying crude-aminophenol
08/18/1993CN1021817C Novel polyamine derivatives
08/18/1993CN1021816C Prepn. of anilines
08/18/1993CN1021815C Process for prepn. of diester of adipic acid
08/17/1993US5237097 Catalytic carbonylation process
08/17/1993US5237092 Process for concurrently producing aryl formate and aromatic carboxylic acid
08/17/1993US5237087 Process for the preparation of chlorinated and fluorinated benzene compounds by selective nucleophilic fluorodenitration
08/17/1993US5237080 Alkoxylation products of oh-functional carboxylic acid derivatives and/or carboxylic acids
08/17/1993US5236959 Process for recycling polyester/cotton blends
08/17/1993CA1321444C Polymers with nitrogen-containing functions derived from insaturated polymers and their use as pour point lowering additives of hydrocarbon middle distillates
08/17/1993CA1321402C Purification of telomers prepared from chlorotrifluoroethylene and trichlorotrifluoroethane
08/17/1993CA1321399C Process for production of alkyl nitrite
08/17/1993CA1321394C Oxime ethers, the preparation thereof, compositions containing them and the use thereof
08/17/1993CA1321392C Process for oxidising secondary aromatic alcohols
08/17/1993CA1321386C Zsm-5 and its synthesis
08/17/1993CA1321385C Two stage synthesis of zeolites
08/17/1993CA1321384C Process for preparing a noble metal-containing zeolite catalyst
08/17/1993CA1321383C Monoalkylene glycol production using mixed metal framework compositions
08/17/1993CA1321346C Nmr imaging with paramagnetic polyvalent metal salts of poly-(acid-alkylene-amino)-alkanes
08/11/1993EP0554767A1 Process for the preparation of E-oximethers from phenylglyoxylic acid esters
08/11/1993EP0554651A1 Agent and process for the removal of acidic residuals from reaction mixtures containing (poly)esterification products
08/11/1993EP0554597A1 Indan derivatives
08/11/1993EP0554590A2 Process for the preparation of hydroxylated fatty acids
08/10/1993US5235101 Preparation by flotation of optically active aliphatic carboxylic acids
08/10/1993US5235100 Adding a base to a melt to form a salt; adding a chiral organic nitrogen base and separating the precipitate
08/10/1993US5235094 Reacting nucleophile precursor and diester with halogenated unsaturated olefin, neutralizing with acid, recovering
08/10/1993US5235077 Reacting phenyl chloroacetate with the salt of a carboxlic acid
08/10/1993US5235006 Mesogens and polymers with mesogens
08/10/1993CA1321213C Bromination process
08/10/1993CA1321212C Process for halogenating cyclobutenoarenes
08/10/1993CA1321211C Sandalwood compositions containing diastereomers of (e)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1- yl)pent-4-en-2-ol, and fragrance mixtures containing them
08/10/1993CA1321209C Process for the preparation of esters directly from alcohols
08/10/1993CA1321208C Method for preparation of alkyl glycolates
08/10/1993CA1321207C Cosmetic composition
08/10/1993CA1321197C 2,3-dihydro-1h-phenalene-2-amino compounds as anti-psychotic drugs
08/10/1993CA1321145C Pharmaceutical preparations
08/10/1993CA1321144C Pharmaceutical preparations
08/05/1993WO1993015086A1 Highly reactive forms of zinc and reagents thereof
08/05/1993WO1993015039A1 Preparation of optically active aliphatic carboxylic acids
08/05/1993WO1993015038A1 Preparation of optically active aliphatic carboxylic acids
08/05/1993WO1993015037A1 Preparation by flotation of optically active aliphatic carboxylic acids
08/05/1993CA2128520A1 Preparation of optically active aliphatic carboxylic acids
08/05/1993CA2128519A1 Preparation of optically active aliphatic carboxylic acids
08/05/1993CA2128518A1 Preparation of flotation of optically active aliphatic carboxylic acids
08/04/1993EP0553668A2 Process for making arylacrylic acids and their esters
08/04/1993EP0553400A1 Partial esters of epoxy containing compounds and related halogen containing polymer compositions
08/04/1993EP0553205A1 Carbonylation of allylic alcohols and synthesis of an ambergris fragrance compound.
08/04/1993EP0403543B1 Polyfunctional vinyl ether terminated ester oligomers
08/04/1993CN1074918A Free-radical polymerization composition
08/04/1993CN1074898A Process for separating mono-glyceride of fatty acid by solvent crystallization
08/04/1993CN1021730C Process and apparatus for hydrocarbons conversion
08/03/1993US5233113 Treatment with oxidizer, strong acid, oxidation catalyst gives esters of strong acid
08/03/1993US5233102 Olefin hydration
08/03/1993US5233078 Preparation of dialkyl malonates
08/03/1993US5233076 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
08/03/1993US5233075 Process for the preparation of aromatic carboxylic acid esters
08/03/1993CA1320968C Preparation of functional fluorinated derivatives
08/03/1993CA1320966C Process for the preparation of reaction products of 2, 2-bis,-(4-hydroxphenyl)-hexafluoropropane and new derivatives of this type
08/03/1993CA1320965C Process for making substituted carboxylic acids and derivatives thereof
08/03/1993CA1320955C Preparation of primary aralkyl urethanes and ureas and isocyanates derived therefrom
07/1993
07/31/1993CA2081198A1 Partial esters of epoxy containing compounds and related halogen containing polymer compositions
07/28/1993EP0552881A1 Anticancer benzaldehyde compounds
07/28/1993EP0552541A1 Catalyzed esterification process
07/28/1993EP0416069B1 New leucotriene b 4 derivatives, a method of preparing them, and their use as drugs
07/27/1993US5231223 Reacting an aryldiazonium salt with olefin in presence of palladium catalyst
07/27/1993US5231222 Esterification process
07/27/1993US5231221 Process for the preparation of acylals
07/27/1993US5231219 Alpha-fluorophosphonoacetate condensed with formaldehyde
07/27/1993US5231218 Isomerization of dimethylcyclohexanedicarboxylate
07/27/1993US5230828 Naphthalenedicarboxylic acid esters
07/27/1993US5230827 Derivatives of 2,3-difluorobenzoic acid
07/27/1993US5230826 Electrooptics
07/27/1993CA1320784C Process for the production of modified polyisocyanates, the polyisocyanates obtainable by this process and their use as binders or as a binder component
07/27/1993CA1320735C Process for the production of nitriles and anhydrides
07/22/1993WO1993014060A1 Process for producing oligomeric fatty acids
07/22/1993WO1993014058A1 Method of preparing branched-chain fattymatter
07/22/1993WO1993014057A1 Hydroformylation process
07/22/1993WO1993014056A1 Profen resolution