Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/1994
12/06/1994US5371279 Acetic acid removal from liquid ether acetates
12/06/1994US5371277 Carrier, catalyst and process for producing unsaturated ester
12/06/1994US5371276 Solid acidcatalyst that is reaction product of oxide and sulfate-contain compound; ester endcapped
12/06/1994US5371275 Methods for preparing ethylidene diacetate
12/06/1994US5371274 Methods for producing ethylidene diacetate using catalysts supported on an organic carrier
12/06/1994US5371273 Process for producing methyl methacrylate
12/06/1994US5371270 Reacting alkali alkoxide and halogalkyl-carboxylic ester in inert solvent with heating
12/06/1994US5371256 With rhodium and iridium
12/06/1994CA1333401C Keto-diesters and their production
12/06/1994CA1333400C Sulfonium salts having acid-labile groups
12/06/1994CA1333397C Fluorinated arachidonic acid derivatives
12/06/1994CA1333369C 3-propadienyl penicillin derivatives and intermediates
12/06/1994CA1333323C Crystalline (metallo) silicates and germanates
12/06/1994CA1333322C Crystalline (metallo) silicates and germanates
12/02/1994CA2124767A1 Process for the preparation of methyl 5-bromo-6-methoxy-1- naphthoate
11/1994
11/30/1994EP0626201A1 Process for producing acetic acid or methyl acetate and catalyst
11/30/1994EP0512035B1 Alkoxylated compounds produced from epoxylated carboxylic acid derivatives
11/30/1994EP0411035B1 Process for preparing 2-bromoethyl acetate
11/30/1994CN1095706A Preparation of glycol diesters from polyethers
11/29/1994US5369188 Process for direct addition of acid to polymers
11/29/1994US5369162 Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers
11/29/1994US5369109 Intermediates for HMG-CoA reductase inhibitor
11/24/1994WO1994026688A1 Process for the preparation of a linear aldehyde organic compound
11/24/1994WO1994026684A1 Ethylene glycol recovery process
11/24/1994DE4414773A1 Processes for stabilising vinylic monomers against uncontrolled polymerisation, and protected surfaces
11/24/1994CA2162164A1 Process for the preparation of a linear aldehyde organic compound
11/23/1994EP0625503A1 Process for preparing diacetoxybutene
11/23/1994EP0625502A1 Process for producing methyl formate
11/23/1994EP0446301B1 Preparation of biaryl compounds
11/23/1994CN1026695C Syntesis of N-tertiary alkyl-1,2-acidbihydrazides
11/23/1994CN1026691C Method for adding of hydrogen into liquid fatty acid glycertride and catalysis of same for simultaneously recovery of fatty alcohol and C3 bialcohol
11/22/1994CA1333178C High yield method for preparation of dialkyl esters of polyhaloaromatic acids
11/22/1994CA1333172C Preparation of promoted silica catalysts
11/17/1994EP0624570A2 Process for the preparation of 2-oximino acetic acid derivatives
11/17/1994EP0624566A1 Process for the preparation of isobornyle (meth)acrylate
11/17/1994EP0624153A1 Process for preparing diesters of naphthalenedicarboxylic acids
11/17/1994EP0624152A1 Process for preparing ketone enantiomer.
11/16/1994CN1095058A Terephthalic acid dimethyl ester membrane type crystal refining method
11/16/1994CN1026579C Process for the preparation of terpenes
11/15/1994US5364970 Process for the hydroformylation of unsaturated carbonyl compounds
11/15/1994US5364969 Phenolic antioxidant and a benzotriazole ultraviolet absorber
11/15/1994US5364957 Carbonylation process using palladium phosphine catalyst
11/15/1994US5364956 Dehydration esterification
11/15/1994US5364950 Process for stabilizing phosphite ligands in hydroformylation reaction mixtures
11/15/1994US5364949 Process for the production of branched fatty acids and esters thereof
11/15/1994CA1333071C Process for production of solid sorbitol
11/10/1994WO1994025442A1 3-(hetero)aryl carboxylic acid derivatives, methods of preparing them and intermediates used in their preparation
11/10/1994WO1994025424A1 Fullerene derivatives, methods of preparing them and their use
11/09/1994EP0623582A2 Process for the preparation of esters of carboxylic acids from carboxylic acid halogenides and alcohols
11/09/1994EP0623581A2 Esterification process
11/09/1994EP0623579A1 Process for preparation of ether carboxylic acids
11/09/1994EP0623577A1 Preparation of halogenides and salts of carboxylic acids
11/09/1994EP0623575A1 Process for the preparation of ketones
11/09/1994EP0623107A1 Preparation of optically active aliphatic carboxylic acids.
11/09/1994EP0623106A1 Preparation by flotation of optically active aliphatic carboxylic acids
11/09/1994EP0623104A1 Profen resolution.
11/09/1994EP0623053A1 Vinyl acetate catalyst preparation method.
11/09/1994EP0460240B1 Catalyst for hydrogenation, dehydrosilylation or hydrosilylation, and its use
11/08/1994US5362907 Intermediates and their use in the preparation of s-ketoprofen
11/08/1994US5362904 Process for the preparation of acrylic acid and methacrylic acid esters
11/08/1994US5362895 Method of recovering unsaturated fatty acids
11/08/1994US5362508 Process for preparing soft centers in food products
11/08/1994CA1332954C Process for the preparation of alkanediols
11/08/1994CA1332941C N-alkylated quaternary nitrogen containing heterocycles
11/08/1994CA1332940C N-alkylated quaternary nitrogen-containing heterocycles
11/08/1994CA1332939C 2,5,6-substituted-n -alkylpyrimidines
11/08/1994CA1332938C N-alkylated quaternary nitrogen-containing heterocycles
11/08/1994CA1332935C Process for the preparation of cobalt catalysts
11/08/1994CA1332933C Method for maintaining the activity of zeolite catalysts
11/08/1994CA1332923C Process and apparatus for hydrocarbon steam cracking controlled by near infrared analysis
11/05/1994CA2122503A1 Process for the preparation of ethercarboxylic acids
11/03/1994DE4313794A1 Process for the preparation of ketones
11/02/1994EP0622352A1 Process for the preparation of vinyle esters of carboxylic acids
11/02/1994EP0621861A1 A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof.
11/02/1994EP0523089B1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation
11/01/1994US5360939 Reaction product of olefin to form aldehydes
11/01/1994US5360938 Asymmetric syntheses
11/01/1994US5360935 From phenylmethanesulfonyl fluorides and phenylacyl bromides, phase transfer agent, base, solvent
11/01/1994US5360926 Process for producing methyl methacrylate
11/01/1994US5360924 Process for preparing aromatic olefins
11/01/1994US5360920 Hydrogenation in a plate heat exchanger
11/01/1994US5360904 Process for preparing penem esters
11/01/1994CA1332834C Substituted basic 2-aminotetralins
10/1994
10/27/1994WO1994024305A1 Chiral synthesis of tertiary alcohols with a hydrolase
10/27/1994WO1994024098A1 Ξ-fluorosulphonimides, method of preparing them and their use as fluorination agents
10/27/1994WO1994024086A1 Process for producing 2-fluoroisobutyric acid or ester thereof
10/27/1994WO1994024085A1 NOVEL METHOD FOR PREPARING β-ALKOXY ACRYLIC ACID
10/27/1994WO1994023836A1 Catalyst composition and process for the production of unsaturated diesters
10/27/1994CA2160994A1 N-fluorosulphonimides, method of preparing them, and their use as fluorination agents
10/27/1994CA2160015A1 Chiral synthesis of tertiary alcohols with a hydrolase
10/26/1994EP0621264A2 Process for the preparation of 4-alkanoylaryl-benzylethers
10/26/1994EP0621257A1 Doubly branched compounds and methods of making them
10/26/1994EP0621256A1 Chloroformyloxy-substituted isophthaloyl chlorides
10/26/1994EP0621255A1 Substituted phenoxy-isobutyric acids and esters
10/26/1994EP0621254A2 Procedure for isomerising double bonds of pyrethrinoids
10/26/1994EP0621250A1 Process for the codimerisation of dienes and olefins
10/26/1994EP0620818A1 ARYL KETONES AS TESTOSTERONE 5$g(a)-REDUCTASE INHIBITORS
10/25/1994US5359127 Process for the preparation of acyloxyalkanesulfonates
10/25/1994US5359126 Intermediates for herbicides
10/25/1994US5359125 Thermosetting coating compositions