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