Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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05/02/1989 | CA1253500A1 Acylaminoalkanoyl urethanes or thiourethanes |
05/02/1989 | CA1253498A1 Process for preparing 4-amino-5- dialkoxymethylpyrimidine derivatives |
05/02/1989 | CA1253496A1 Carrying out organic condensation reactions |
05/02/1989 | CA1253494A1 12,16 - DIFLUOROPROSTAGLANDIN F.SUB.2.alpha. COMPOUNDS |
05/02/1989 | CA1253493A1 Bicycloheptane substituted ethers |
04/26/1989 | EP0313295A2 Substituted tetralins, chromans and related compounds in the treatment of asthma, arthritis and related diseases |
04/26/1989 | EP0313283A2 The production of non-conjugated diolefins |
04/26/1989 | EP0313254A2 Production of vinylidene fluoride |
04/26/1989 | EP0313165A1 A process for isomerizing the by-products of the bis-phenol synthesis |
04/26/1989 | EP0313077A2 Preparation of cyclobutarenes via the steam pyrolysis of aromatic derivatives |
04/26/1989 | EP0313061A2 Improved process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane |
04/26/1989 | EP0313050A1 Potassium carbonate supports, catalysts, and olefin dimerization processes therewith |
04/26/1989 | EP0312922A2 Oxethylsulfonyl-nitro- or -amino-benzoic acids and process for their preparation |
04/26/1989 | EP0312921A2 Process for the preparation of unsaturated monoesters |
04/26/1989 | EP0312908A1 2,3-Diaminomaleonitrile derivatives |
04/26/1989 | EP0312873A2 N,N'-bis(trans-4-isocyanato-cyclohexyl)urea, process for its preparation and use |
04/26/1989 | EP0312804A1 Synthesis of cis-9-tricosene |
04/26/1989 | EP0312735A2 Process for the preparation of beta-isophorone from alpha-isophorone |
04/26/1989 | EP0312726A1 Optically active salt of a substituted thiazolidine-4-carboxylic acid and a 3-chlor-2-hydroxypropyl trimethyl ammonium, their preparation and use |
04/26/1989 | EP0312659A1 Phosphonite-and phosphinite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers |
04/26/1989 | EP0237366B1 Amino alcohols, process for their preparation and their applications, in particular for therepeutical use |
04/26/1989 | CN1032537A Process for purifying distillation of crude sec-butyl alcohol |
04/25/1989 | US4825011 Method of preparing substituted dihydroxy-benzenes |
04/25/1989 | US4825005 Presence of aliphatic ketone and acid acceptor |
04/25/1989 | US4825004 Reacting epoxidized fatty acids(or esters) with short acyclic carboxylic acids; then hydrogenation |
04/25/1989 | US4824998 Reacting methacrylic acid with isobutylene in presence of ion exchange resin which contains a sulfonic acid group |
04/25/1989 | US4824997 Method for preparation of alkyl glycolates |
04/25/1989 | US4824992 Oxidizing trimethylbenzaldehyde, ions of bromine, manganese and iron |
04/25/1989 | US4824989 Recovery process |
04/25/1989 | US4824986 Diethylenetriaminepentaacetic acid substituted with isothiocyanate or n-hydroxysuccinimide |
04/25/1989 | US4824970 Intermediates for the synthesis of carboxylic acids |
04/25/1989 | US4824956 Reductive dehalogenation of halogen compounds |
04/25/1989 | US4824923 Side-chain mesomorphic polymers derived from 1-(phenyl)-2-(4-cyanophenyl)-ethane |
04/25/1989 | US4824817 Catalyst for the carbonylation of conjugated dienes |
04/25/1989 | US4824670 Carbazates |
04/25/1989 | US4824612 Process for oxidizing secondary aromatic alcohols |
04/25/1989 | US4824611 Metal oxides are reduced by hydrazine(or its derivatives), then reacted with carboxylic acids |
04/25/1989 | US4824609 Alkated anthraquinone, carbon dioxide |
04/25/1989 | US4824585 Calcium soaps possessing a high basicity reserve |
04/25/1989 | US4824477 Trifluoromethanesulfonanilide compounds and herbicidal compositions containing them |
04/25/1989 | US4824443 Highly polar solvent |
04/25/1989 | CA1253175A1 Toluene disproportionation process |
04/25/1989 | CA1253174A1 Process for making monocarboxylic anhydrides |
04/25/1989 | CA1253173A1 Process for preparing anti-inflammatory cycloalkylidenemethylphenylacetic acid derivatives |
04/25/1989 | CA1253172A1 Process for preparing tertiary allylic esters possibly halogenated |
04/25/1989 | CA1253171A1 Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts |
04/25/1989 | CA1253170A1 Aryl carboxylate process |
04/25/1989 | CA1253169A1 Process for preparing alkyl esters of methyltartronic acid |
04/25/1989 | CA1253168A1 Hydrazides of amino-polyacetic acids as chelants |
04/25/1989 | CA1253167A1 (acylthiopropyl)phenols |
04/25/1989 | CA1253132A1 Preparation of catalysts made up of copper, zinc and aluminium, useable for the production of methanol derived from synthesis gas |
04/20/1989 | WO1989003380A1 Process for the preparation of stilbenedicarboxylate derivatives |
04/20/1989 | WO1989003374A1 Process for preparing 2-acetonaphthones |
04/19/1989 | EP0312412A1 Norbornane derivatives, method for their preparation and cosmetic and medicinal compositions containing them |
04/19/1989 | EP0312377A2 Method of preparing thin film composite membranes by suspension deposition, and use of such membranes |
04/19/1989 | EP0312376A2 Polyurea membrane and its use for aromatics/non-aromatics separations |
04/19/1989 | EP0312360A2 25-Hydroxy vitamin D3 derivatives |
04/19/1989 | EP0312210A2 Optically active liquid crystalline compounds and compositions containing them |
04/19/1989 | EP0312055A2 6-Fluoroprostaglandins |
04/19/1989 | EP0311961A2 Process for the preparation of ether and polyglycol ether sulfonates, and products prepared by this process |
04/19/1989 | EP0311903A2 Molten salt hydrate membranes for the separation of gases |
04/19/1989 | EP0311902A2 Beta, gamma-unsaturated alkenyl dianilines for use in preparing cross-linkable condensation polymers |
04/19/1989 | EP0311901A2 Alkenylated diphenyldiisocyanates for use in preparing polyurethane/urea systems |
04/19/1989 | EP0311893A2 Process for the preparation of 2,5-bis-(aminoarylamino)benzoquinones |
04/19/1989 | EP0311880A2 1,9-Non-2-endiols, their derivatives, processes for their preparation and use as intermediates |
04/19/1989 | EP0311689A1 Process for selectively monohydroformylating diolefin |
04/19/1989 | EP0311619A1 Chelate ligands for low pressure hydroformylation catalyst and process employing same. |
04/19/1989 | EP0311614A1 Process for the synthesis of methyl-tert-alkyl ethers with suppression of corrosion |
04/19/1989 | EP0217089B1 Process for preparing unsaturated ethers by catalytic dealkoxylation of gem-dialkoxy compounds |
04/19/1989 | EP0205582B1 Bulk removal of water from organic liquids |
04/19/1989 | CN1003912B Method and catalyst for olefin oligomerziation |
04/18/1989 | US4822937 Catalytic alkylation, then dehydroisomerization |
04/18/1989 | US4822934 Chemical intermediates; ketoprofen |
04/18/1989 | US4822933 Chlorination in presence l-type zeolite catalyst |
04/18/1989 | US4822932 Rapid direct quenching of gaseous pyrolysis products |
04/18/1989 | US4822931 Method for preparation of polybromoacenaphthene and/or its condensate |
04/18/1989 | US4822930 Process for preparing monobrominated cyclobutarenes |
04/18/1989 | US4822929 Process for the catalytic trans-halogenation of a polyiodo-benzene, and, in particular, of a di-iodo-benzene |
04/18/1989 | US4822928 Process for producing 2,5-dichlorotoluene |
04/18/1989 | US4822926 Ethylene oxide/glycols recovery process |
04/18/1989 | US4822924 Process for producing 2,6-dichlorobenzyl alcohol |
04/18/1989 | US4822922 Stabilization of mixtures of chlorination of phenol/chlorophenols |
04/18/1989 | US4822918 Reduction of organic sulfur compounds |
04/18/1989 | US4822910 Dehydrohalogenation; odorants |
04/18/1989 | US4822908 Substituted acrylates and fungicides containing same |
04/18/1989 | US4822904 Perfluoroalkylation process |
04/18/1989 | US4822903 Fluorinated silica catalyst and preparation of aromatic/aliphatic nitriles in the presence thereof |
04/18/1989 | US4822873 Antibiotics, antitumor agents |
04/18/1989 | US4822822 Benzylamine derivatives, and use thereof |
04/18/1989 | US4822502 Imidazoline promoter overbased calcium sulfonates |
04/18/1989 | CA1252798A1 Process for hydrocarbo-alkoxylating vinyl alkanoates |
04/18/1989 | CA1252794A1 Benzamide derivatives |
04/18/1989 | CA1252792A1 Aromatic derivatives perfluoroalkylation process |
04/18/1989 | CA1252791A1 Benzoyl urea derivatives having anti-tumor activity |
04/18/1989 | CA1252781A1 Allenic prostacyclins |
04/12/1989 | EP0311565A1 Pesticides |
04/12/1989 | EP0311508A1 Solid granular catalysts, process for the preparation of these catalysts and their use |
04/12/1989 | EP0311473A1 Fluorinated derivate of amino acids, useful as tensioactive or cotensioactive agents, and preparations for biomedical use containing these derivatives |
04/12/1989 | EP0311408A2 Process for preparing 3,5,5-trimethylcyclohexa-2-en-1,4-dione |
04/12/1989 | EP0311310A1 Olefin oligomerization |