Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1990
10/17/1990EP0392601A2 Process for the preparation of an alkyl methacrylate
10/17/1990EP0392361A2 Process for production of carboxylic acid esters and formamide
10/17/1990EP0392015A1 Novel derivatives of physiologically active substance ml-236b and process for their preparation
10/17/1990CN1046153A Preparation of glutaric acid derivatives
10/17/1990CN1010016B Salts of alpha-sulfo fatty acid ester with detergent active
10/17/1990CN1010011B Improved method using transition metal complex catalyst
10/17/1990CN1010008B Process for extraction of paraffin from mixtures thereof with alkane-sulphonic acids
10/16/1990US4963590 Enzyme inhibitor for treating parkinson's disease along with dopa;potentiation
10/16/1990US4963584 Pyrethroidal composition comprising more than one active ingredients
10/16/1990US4963578 Organic compounds and their pharmaceutical use
10/16/1990US4963576 Antiallergens, antiinflammatory agents; 5-lipoxygenase inhibitor
10/16/1990US4963548 Fungicides
10/16/1990US4963480 Process for the preparation of gamma-irone
10/16/1990CA1275276C Preparation of synthetic lubricating materials
10/16/1990CA1275264C Process for the separation of c10 aromatics isomers
10/10/1990EP0391673A1 Preparation of glutaric acid derivatives
10/10/1990EP0391485A1 Process for producing fatty-acid lower-alkyl monoesters
10/10/1990EP0390808A1 Process for the co-production of aromatic carboxylate and alkyl iodides.
10/10/1990EP0210896B1 Optically pure derivates of 4-amino-3-hydroxycarboxylic acids and process for stereospecific synthesis
10/10/1990CN1009927B Treatment of hydroperoxide mixture
10/10/1990CN1009926B Polyfluoroalkythiomethyl compound and the prepn.
10/10/1990CN1009925B Prepn. of polysulfide
10/10/1990CN1009924B Prepn. of n-(sulfonymethyl) formamide
10/10/1990CN1009923B Process for removing paraffins from their mixture with paraffinsulphonic acid
10/10/1990CN1009922B Method for prepn. of dobutamine salts
10/09/1990US4962252 Catalytic oxidative coupling
10/09/1990US4962246 Process for the preparation of benzotrifluorides which are substituted by fluorine and optionally in addition by chlorine, and new benzotrifluorides
10/09/1990US4962243 Preparation of octadienols
10/09/1990US4962241 Process for producing dihydroxynaphthalenes
10/09/1990US4962231 Reacting pure chloropropionic acid with ammonia(or ammonia-donating compounds) with controlled ph
10/09/1990US4962227 For extreme pressure lubricants
10/09/1990US4962225 Aspartic acid derivatives
10/09/1990US4962158 Radical polymerizable composition containing a compound having pi-electron conjugated structure
10/09/1990US4962123 Industrial fungicides, bactericides
10/09/1990US4962019 Bis/nitrophenyl/ disulfide derivatives
10/09/1990US4961881 Process for separating triglycerides and regenerating absorbent used in said separation process
10/09/1990US4961876 Liquid crystalline ferroelectric derivatives of branched acyclic alpha-chlorocarboxylic acids
10/09/1990US4961855 Dehydration of organic oxygenates
10/09/1990CA1275117A1 Halogenoolefines as arthropodicides and nematocides
10/09/1990CA1275115A1 Process for producing a halogenated benzene derivative using an improved zeolite catalyst
10/09/1990CA1275114A1 Oculoselective b-blockers
10/09/1990CA1275113A1 Benzyl and trifluoromethyl sulphide preparation process
10/09/1990CA1275112A1 Process for the production of esters
10/09/1990CA1275110A1 Phenoxyethylamine derivatives
10/09/1990CA1275109A1 Copolymerizable photoinitiators
10/09/1990CA1275108A1 Insecticidal composition comprising more than one active ingredients
10/09/1990CA1275107A1 Peresters, their preparation and use as polymerization initiators
10/09/1990CA1275105A1 Method of making organic solvent soluble zinc alkoxy alkoxides
10/09/1990CA1275104A1 Zinc and/or lead salts of carboxylic acids and their use as corrosion inhibitors
10/09/1990CA1275095A1 Carbacyclins, processes for their preparation and their use as pharmaceuticals
10/09/1990CA1275094A1 Cyclopentyl ethers and their preparation and pharmaceutical formulation
10/09/1990CA1275093A1 Carbacyclins, processes for their manufacture and their use as pharmaceuticals
10/05/1990CA2013865A1 Process for producing fatty-acid lower-alkyl monoesters
10/04/1990WO1990011341A1 Installation and process for continuous production of monoglycerides of fatty acids
10/04/1990WO1990011272A1 New leucotriene b4 derivatives, a method of preparing them, and their use as drugs
10/04/1990WO1990011271A1 New leukotriene b4 derivatives, process for producing them and their use as drugs
10/04/1990DE4004281A1 Mesogene und promesogene nichtracemische chirale verbindungen Mesogenic and non-racemic chiral compounds promesogene
10/03/1990EP0390577A2 Purification and preparation processes for methyl methacrylate
10/03/1990EP0390305A2 Diester and keto-ester derivatives of polyhydroxy compounds and production thereof
10/03/1990EP0390273A1 Resolution of a carboxylic acid
10/03/1990EP0390042A1 Process for the preparation of bromosubstituted aromatic esters of alfa,beta unsaturated acids
10/03/1990EP0389836A1 Process for the purification and recovery of contaminated solution of a catalyst from the carbonylation of methanol and/or methyl acetate and/or dimethyl ether
10/03/1990EP0253836B1 Preparation of fluoroaromatic compounds in dispersion of potassium fluoride
10/03/1990CN1045772A 2-halogencyclopropylethane derivates, processes of preparation and use as pesticide thereof
10/03/1990CN1045771A Substd. trifluorethyl esters of phenylacetic acid, processes for preparation and use as pesticides thereof
10/03/1990CN1045769A Substituted biphenyls
10/03/1990CN1009824B Process for production of n,n-disubstd. carboxylic acid amides
10/03/1990CN1009820B Process for preparing molecular sieve composed of oxides of zn, al, p and si
10/03/1990CN1009802B Stabilized magnesia and its use in catalytic processes
10/02/1990US4960963 Process for producing vinylchloride monomer by pyrolysis of 1,2-dichloroethane
10/02/1990US4960960 Hydrogenation process
10/02/1990US4960959 In presence of aqueous potassium hydroxide and alkyl-t-butyl ether solvent
10/02/1990US4960954 Eliminating alcohol from acetal or ketal using phosphate or zeolite catalyst
10/02/1990US4960953 Process for preparing polyglycerols
10/02/1990US4960950 Formation of nitrophenyl ethers from polyols and nitroanisoles
10/02/1990US4960949 Low pressure rhodium catalyzed hydroformylation of olefins
10/02/1990US4960945 As monomers for heat rsistance polymers
10/02/1990US4960943 Process for the preparation of phenylketones etherified in the 4-position
10/02/1990US4960941 Hydrogenation of aromatic amines to produce their ring hydrogenated counterparts
10/02/1990US4960940 Chemical intermediates for fiber-reactive dyes
10/02/1990US4960939 Catalytic reaction of benzaldehyde and ch2o with 3,4-di-methoxyphenethylamine; intermediate for ibopamine
10/02/1990US4960936 Process for the preparation of halogenated aromatic primary amines
10/02/1990US4960935 Bisphenol derivatives, process for their manufacture, and their use as surfactants
10/02/1990US4960932 Hydrolysis of 4-methylmercapto-2-aminobutyronitrile and 4-methylmercapto-2-aminobutyramide
10/02/1990US4960929 Hydroxyethylsulfonylnitro- and hydroxyethylsulfonylamino-benzoic acids and processes for their preparation
10/02/1990US4960927 Ester interchanging
10/02/1990US4960926 Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst
10/02/1990US4960914 Method for the preparation of naphthoquinone
10/02/1990US4960909 7-oxabicyclo[2.2.1] heptane sulfonamide derivatives
10/02/1990US4960907 Partially saponifying; delarboxylating diesters; optional ketalization
10/02/1990US4960797 Improving mood element, stimulating sexual activity of aged people; free of side effects
10/02/1990US4960796 Cyclopropanecarboxamides
10/02/1990US4960794 Controlled polymorphic composition
10/02/1990US4960762 Chiral two-phase system and method for resolution of racemic mixtures and separation of diastereomers
10/02/1990US4960583 Oxide having a trivalent metal or monovalent metal or any mixture of them
10/02/1990CA1274854A1 Process for the extraction of paraffins from mixtures thereof with alkane-sulphonic acids
10/02/1990CA1274853A1 Production of aromatics from ethane and/or ethylene
10/02/1990CA1274851A1 4-alkylphenyl-2-alkoxyethyl ethers and fragrance compositions containing same
10/02/1990CA1274850A1 .alpha.-CHLOROKETONE DERIVATIVE AND PROCESS FOR PREPARATION THEREOF
10/02/1990CA1274849A1 N-(2,6-difluorobenzoyl)-n'-3,5-dichloro-4-[3,3,3,- trifluoro-2-chloroprop-1-en-yl]phenyl-urea having insecticide activity
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