Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
05/1995
05/09/1995US5414107 Process for recycling polyethylene terephthalate process residues containing alkali metal organic salts
05/09/1995US5414106 Process for recovering dimethyl terephthalate
05/09/1995US5414022 Process of recovering components from polyester resins
05/09/1995CA1335508C Vinyl esters and their use in the building industry
05/03/1995CN1102180A New technology for producing ethyl lactate
05/02/1995US5412150 Process for the preparation of methyl 5-bromo-6-methoxy-1-naphthoate
05/02/1995US5412149 Pesticides
05/02/1995US5412134 Treating protected cyclobutanone with a reducing agent
05/02/1995US5412120 Catalytic decarboxylation of corresponding geminal dicarboxylic acid
05/02/1995US5412112 Derivatives and preparation of 2,2-dimethyl-5-substituted phenoxy-pentanoic acids
05/02/1995US5411877 Optically active compounding having plural chiral centers and production thereof
05/02/1995US5411676 Chiral dopants for liquid crystalline mixtures
05/02/1995CA1335453C Method for synthesizing acyloxycarboxylic acids
05/02/1995CA1335451C Substituted tetralins, chromans and related compounds in the treatment of asthma, arthritis and related diseases
05/02/1995CA1335447C Preparation of linear polyethylenepolyamines by reacting monoethanolamine with ethylenediamine in the presence of a phosphorus/titania/zirconia catalyst
05/02/1995CA1335446C Synthesis gas to heavy hydrocarbons on sio_ promoted co/tio
04/1995
04/27/1995WO1995011218A1 Process for separating cyclohexane dimethanol from dimethyl terephthalate
04/27/1995WO1995011216A1 A process for separating lipophilic compounds
04/27/1995CA2174426A1 A process for separating lipophilic compounds
04/27/1995CA2173991A1 Process for separating cyclohexane dimethanol from dimethyl terephthalate
04/26/1995EP0649831A1 Process for the preparation of 3-(p-fluorphenyle)-2-methylepropionic acid and of derivatives of 3-(p-fluorphenyle)-2-methylepropionic acid
04/25/1995US5410067 Catalytic hydrogenation; cyclization
04/25/1995US5410033 Converting diol groups of nuclosides to mesylate or tosylate groups, reacting with alkali or alkaline telluride or selenide to produce desired olefinic unsaturation at 2',3'position in sugar moiety of nucleosides
04/25/1995US5409953 Isolation, structural elucidation and synthesis of novel antineoplastic substances denominated "combretastatins"
04/25/1995CA1335379C Aralkylaminoalkoxyphenyl derivatives, process of preparation and compositions containing the same
04/25/1995CA1335378C Alkylaminoalkoxyphenyl derivatives, process of preparation and compositions containing the same
04/20/1995DE4335461A1 Process for the separation of polyol esters of differing degrees of esterification
04/19/1995EP0648735A1 Preparation of an intermediate for vitamin A-acetate
04/19/1995EP0648734A1 Synthesis of higher vinyl esters from ethylene and higher carboxylic acids
04/19/1995EP0648733A2 Quinacridone synthesis and process for preparation of intermediates
04/19/1995EP0648201A1 Enantioselective hydrogenation of the carbonyl bond using ruthenium complexes with biphosphine ligands.
04/18/1995US5407885 Photochromic naphthacenequinones, process for their preparation and the use thereof
04/18/1995CA1335294C Fungicidal compositions
04/18/1995CA1335286C Labile ketone derivatives of 3-substituted-1-alkylamino 2-propanols and their use as .beta.-adrenergic blockers
04/13/1995WO1995009830A1 Method for preparing of mono or di-2-substituted cyclopentanone
04/13/1995DE4436390A1 Fullerene derivatives, process for their preparation and their use
04/13/1995CA2173618A1 Method for preparing of mono or di-2-substituted cyclopentanone
04/12/1995EP0647648A1 Optically active phosphorus compounds
04/12/1995EP0647637A1 3-Aryl-4-hydroxy-3-dihydrofuranone derivatives
04/12/1995EP0647611A1 Process for producing unsaturated glycol diester
04/12/1995EP0334951B1 High yield method for preparation of dialkyl esters of polyhaloaromatic acids
04/12/1995CN1101358A Decyl alcohol mixture, phthalate prepared of same and application of phthalate
04/11/1995US5405992 Process for concurrent esterification and separation using a simulated moving bed
04/11/1995US5405991 Process for producing carboxylic acid esters from carboxylic acid halides and alcohols
04/11/1995US5405980 Using as catalyst an oligomerizd potassium salt of a polyhydroxyalkane
04/11/1995US5405974 Process for producing a lactone or an ester
04/06/1995WO1995009139A1 Oxidation of alkylaromatic compounds
04/05/1995EP0646567A2 Organotin catalyzed transesterification
04/05/1995EP0646563A1 Decyl alcohol mixtures, phthalate esters obtained therefrom and their use as plasticisers
04/05/1995EP0646557A1 Fluorination in tubular reactor system
04/05/1995CN1101032A Method of reacting carboxylic chlorides dissolved in carboxylates
04/05/1995CN1100970A Zirconium-base solid catalyst for synthetizing of glycol series monoether acetic ether
04/05/1995CA2131497A1 Fluorination in tubular reactor system
04/04/1995US5403954 Preparation of methyltris(m-sulfonatophenyl) phosphonium iodide trisodium salt and use thereof in carbonylation reactions to prepare carboxylic acids and/or their esters
04/04/1995US5403941 Heating a fatty acid or hydroxyfatty acid with the glycidyl ether of isopropylideneglycerol or diisopropylidenetriglycerol using a quaterary ammonium, phosphonium of N,N,N',N'-dimethyl-1,6-hexanediamine
04/04/1995US5403802 Used along with silver trifluoroacetate catalyst
04/04/1995CA1335107C Process for the co-production of aromatic carboxylates and alkyl iodines
04/04/1995CA1335104C Diphenyl-3-azahexane and diphenyl-4-azaheptane derivatives, pharmaceutical compositions containing them and process for their preparation
03/1995
03/31/1995CA2133248A1 Synthesis of higher vinyl esters from ethylene and higher carboxylic acids
03/31/1995CA2132674A1 Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers
03/30/1995WO1995008526A1 Hydrogenation
03/29/1995EP0645366A1 Process for the preparation of alkyle esters of 3-hydroxy-2,4,5-trifluoro benzoic acid and/or of 3-alcoxy-2,4,5 trifluoro benzoic acid
03/29/1995EP0645365A1 Process for producing 2-fluoroisobutyric acid or ester thereof
03/29/1995EP0645167A1 Process for obtaining pharmacological active compounds from complex substance mixtures
03/29/1995CN1100713A Process for the manufacture of fibregrade DMT and terephthalic acid
03/29/1995CN1100632A Gamma-linolenic acid monomer, the prepn. method and application thereof
03/29/1995CN1028023C Preparation of glutaric acid derivatives
03/29/1995CN1028021C Continuous process for preparing matallic soaps
03/28/1995US5401873 Preparation of methyl formate
03/28/1995US5401868 Aryloxymethylcarbonochloridate ester intermediates for use in synthesizing pro drugs and their use therefor
03/28/1995US5401865 Saturated branched fatty acids containing 21 to 28 carbon atoms or esters thereof with c1-36 alkanols, a process for their production and their use
03/28/1995US5401862 Passing solutions through montmorillonite, silica gel and carbon
03/28/1995US5401858 Preparation of quinic acid derivatives
03/28/1995US5401773 Treating comedones
03/28/1995US5401436 Liquid crystal
03/28/1995CA1334980C Process for the isomerization of 1-butene in 2-butenes in a cut of c _ hydrocarbons containing butadiene and sulfur compounds
03/28/1995CA1334977C Mono-iodopropargyl esters of dicarboxylic anhydrides and their use as antimicrobial agents
03/28/1995CA1334973C Amine derivatives, processes for preparing the same and fungicides containing the same
03/28/1995CA1334967C Pharmacologically active compounds, methods for the preparation thereof and compositions containing the same
03/28/1995CA1334964C Catalytically active silica and alumina gel and process for preparing it
03/28/1995CA1334949C Antimicrobial agent, fr 109615 and production thereof
03/23/1995WO1995007879A1 Synthesis of vinyl esters
03/22/1995EP0644180A1 Process for purifying polar vinyl compounds
03/22/1995EP0644176A1 Hydrogenation
03/22/1995EP0643781A1 Electrocatalytic asymmetric dihydroxylation of olefinic compounds
03/22/1995EP0441807B1 Liquid phase fluorination
03/22/1995EP0297137B1 Deicing compositions comprising alkaline earth or alkali metal carboxylates and processes for their production
03/22/1995CN1100408A Pentanoic acid derivatives
03/21/1995US5399747 Process for preparing carboxylic acids by carbonylation of ethers and thioethers
03/21/1995US5399745 Process for producing methyl formate
03/21/1995US5399744 Reacting camphene with (meth)acrylic acid using polyphosphomolybdic acid as catalyst
03/21/1995US5399742 Continuously contacting hydrogen gas, liquid mix of dimethyl cyclohexanedicarboxylate and corresponding dimethyl benzenedicarboxylate, fixed bed palladium on alumina catalyst while suppressing formation/accumulation of carbon monoxide
03/21/1995US5399731 Process for the production of fatty acid esters of lower alcohols
03/21/1995US5399728 Process for the preparation of highly esterified alkoxylated polyol compositions
03/21/1995US5399718 Removal of hydrofluoric acid by-product
03/21/1995US5399279 Refrigeration compositions
03/21/1995CA1334853C Decomposition of dihydroperoxide to resorcinol
03/21/1995CA1334836C Removal of salts from aqueous alkanolamines using an electrodialysis cell with an ion exchange membrane
03/19/1995CA2132292A1 Process for preparing alkyl 3-hydroxy-2,4,5-trifluorobenzoates and/or alkyl 3-alkoxy-2,4,5-trifluorobenzoates
03/15/1995EP0643065A1 Novel bisphosphines for asymetric hydrogenation catalysts