Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/1992
12/23/1992CN1019572B Benzophenone derivatives
12/23/1992CN1019571B Process for preparation of diphenylpropylamine derivatives and their salts
12/23/1992CN1019550B Process for preparing copper bearing methanol dissociation catalysts by carbon dioxide calcination
12/23/1992CN1019538B Application for 2-(2'-nitrobenzoyl) -1,3-cyclohexanediones
12/22/1992CA2071699A1 Carrier catalyst, process for its preparation, and its use for the preparation of vinyl acetate
12/22/1992CA2071698A1 Catalyst and process for the preparation of vinyl acetate
12/22/1992CA1311769C Preparation of cyclohexanone and cyclohexanol
12/22/1992CA1311768C Ketones preparation process
12/22/1992CA1311766C Acid accelerated hydrocarboxylation
12/22/1992CA1311739C Aldehyde hydrogenation catalyst and process
12/22/1992CA1311716C Electrochemical treatment of lignins
12/22/1992CA1311683C Process for the preparation of a composition inhibiting or destructing at least one living unicellulary organism containing quaternary ammonium fluorideand process for the preparation of this salt
12/19/1992WO1992022626A1 Process for producing a triglyceride mix free of components hampering further processing
12/17/1992DE4219140A1 Tri:glyceride mixt. prepn. free from impurities - by cooling vegetable oil to ppte. unwanted satd. tri:glyceride(s)
12/16/1992EP0518562A2 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide
12/16/1992EP0518384A1 Alkoxymethyl benzoic acid
12/16/1992EP0518110A2 Process for the preparation of pure enatiomers of 4-[4-(4'-tert.butylphenyl)-2-hydroxybutoxy]-benzoic acid and its alkyl ester
12/16/1992EP0260305B1 Quinolinyl ether tetrazole as agent for the treatment of hypersensitive ailments
12/16/1992CN1067047A Process for preparing aromatic ester or ether, especially 6-methoxy methyl naphthoate
12/16/1992CN1067046A Process for extraction of dicarboxylic acid and its esters from waste liquid after production of hexandioic acid
12/16/1992CN1019485B Arylcarboxylic acid derivative, preparation and use thereof
12/15/1992US5171906 Containing methylnaphthalene; from catalytic alkylation of benzene or toluene; heating in presence of zeolite, such as ZSM-5
12/15/1992US5171892 Chiral phospholanes via chiral 1,4-diol cyclic sulfates
12/15/1992US5171879 Process for the preparation of chlorinated carboxylic acid esters
12/15/1992US5171878 Process for the preparation of β-resorcylic acid derivatives
12/15/1992US5171870 Process for separating triglycerides having different degrees of unsaturation
12/15/1992CA1311503C Process for the preparation of very high purity sorbitol syrups
12/15/1992CA1311502C Preparation of dien-1-o1s, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol
12/15/1992CA1311501C Calciferol derivatives
12/15/1992CA1311500C Alkylation of organic aromatic compounds
12/15/1992CA1311497C Process for preparing 2,6-di-tertiarybutyl -4-mercaptophenol
12/15/1992CA1311493C Process for the preparation of dialkyldithiocarbamates of multivalent metals
12/15/1992CA1311490C Process of preparing higher order cuprate complexes
12/15/1992CA1311475C Process for preparing partial polyol fatty acid esters
12/15/1992CA1311474C Process for preparing polyol fatty acid polyesters
12/15/1992CA1311426C Molten salt hydrate membranes for the separation of gases
12/13/1992CA2070560A1 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide
12/10/1992WO1992021647A1 Carbocyclic and heterocyclic hiv protease inhibitors
12/10/1992WO1992021645A1 Process for preparing purified dimethyl naphthalenedicarboxylate
12/09/1992EP0517571A1 Process for the preparation of esters of racemizable acids
12/09/1992EP0190233B1 New carbacyclines, preparation thereof and drug containing them
12/09/1992CN1066840A Process of linear dicarbonylation for difundtionalized butene
12/09/1992CN1019388B Process for preparing n-alkylsulfurylanilline derivatives
12/09/1992CN1019387B Process for prepn. of propanol derivatives
12/08/1992US5169980 Process for the manufacture of benzyl methacrylate and its derivatives which are halogenated or alkylated on the aromatic nucleus
12/08/1992US5169977 Process for purifying dimethyl-2,6-naphthalene dicarboxylate
12/08/1992US5169976 N-(biphenylmethyl)-3-hydroxyglutaramic acid and derivatives as hypocholesterolemic agents
12/08/1992US5169966 Process for producing an α-acyloxy-α, β-unsaturated carbonyl compound and a 20-acyloxy-17(20)-methylen-21-al-steroid compound
12/08/1992CA1311332C Bop reagent for solid phase peptide synthesis
12/08/1992CA1311246C Production of formic acid from a nitrogenous base, carbon dioxide and hydrogen
12/08/1992CA1311245C Process for the separation of toluene diisocyanate contained in process residues
12/08/1992CA1311244C Process for synthesis of amidoacids using a cobalt catalyst and a bidental phosphine ligand
12/08/1992CA1311243C PHARMACEUTICAL COMPOSITIONS CONTAINING .alpha.-HALOGENATED DICARBOXYLIC ACIDS
12/08/1992CA1311240C Arylcarboxylic acid derivatives, the preparation and use thereof
12/06/1992CA2070109A1 Process for removing glycerol from glycerides
12/04/1992WO1992021646A1 Thermosetting coating compositions
12/02/1992EP0516410A2 Novel synthesis of 19-nor vitamin D compounds
12/02/1992EP0516194A2 Pharmaceutical compositions containing cationic surfactants
12/02/1992EP0516099A1 Use of polyoxyalkylene glycerol ether fatty acid esters as deinking agent fur waste paper generation.
12/02/1992EP0515799A1 Reactor for phase-heterogeneous reactions
12/02/1992EP0172906B2 Process for making substituted carboxylic acids and derivatives thereof
12/02/1992CN1019296B Improved process for substituted indolinone derivatives
12/01/1992US5167696 Herbicidal aryloxy- and arylamino-indanes
12/01/1992CA1310984C Separation of 3,3',4,4',-and 2,3,3,'4'-tetramethyldiphenyl ether
12/01/1992CA1310983C Anesthetic compound and method of preparing
12/01/1992CA1310981C Process for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereof
12/01/1992CA1310979C Alkane catalytic oxidation process into mixtures of alcohols and ketones
12/01/1992CA1310978C Process for the preparation of halogen-containing aromatic compounds
12/01/1992CA1310977C Process for the manufacture of benzoic acid and salts thereof
12/01/1992CA1310975C Process for aryl-diazide sulfonic acids
12/01/1992CA1310974C Alkane and alkene derivatives and their preparation and use
12/01/1992CA1310959C Fumaric acid derivatives, process for the production thereof and pharmaceutical compositions containing same
12/01/1992CA1310954C Process for the preparation of carboxylic acids or of esters thereof
12/01/1992CA1310933C Process for the purifying distillation of crude sec-butyl alcohol
11/1992
11/30/1992CA2069652A1 Reactor for heterogeneous-phase reactions
11/26/1992WO1992020677A1 Heterocyclic chiral ligands and method for catalytic asymmetric dihydroxylation of olefins
11/25/1992EP0514893A1 Process for the preparation of esters of beta-ketocarboxylic acids
11/25/1992EP0306538B1 Process for preparing alpha-(3-benzylphenyl)propionic acid derivative
11/25/1992CN1019195B Cyclohexanealkanoic acids preparation method
11/25/1992CN1019194B Preparation of bicyclic sulfonamide
11/25/1992CN1019193B Process for carbonylation of olefinically unsaturated compounds with palladium catalyst
11/25/1992CN1019191B Insecticidal ethers
11/24/1992US5166451 Treatment of hydroperoxide mixture
11/24/1992US5166419 Method for preparing α-(4-isobutylphenyl) propionic acid or its precursor
11/24/1992US5166410 Preparation of carboxylic acid esters
11/24/1992US5166409 Preparation of carboxylic acid esters
11/24/1992US5166408 Catalytic alkylation of alkyl acrylic acid esters with olefins with alkoxyaluminum dichlorides
11/24/1992US5166406 Preparation of glutaric acid derivatives
11/24/1992US5166405 Benzoates containing a substituent having olefinic unsaturation
11/24/1992US5166402 Herbicidal α-(5-aryloxy-naphthalen-1-yl-oxy)-propionic acid derivatives
11/24/1992US5166349 Chiral organoiron complexes and use for assymetric reduction
11/24/1992CA1310666C Process for the manufacture of derivatives of benzoic acid
11/24/1992CA1310665C Process for dearylation of alkylenebisphenols and alkyltrisphenols
11/24/1992CA1310664C Process for the preparation of a diester of adipic acid
11/24/1992CA1310662C Process for the preparation of hexenedioic acid diesters
11/24/1992CA1310661C Preparation process of cinnamate ester
11/24/1992CA1310657C Process for the manufacture of higher fatty monoglyceride monosulfate deterents
11/24/1992CA1310639C .alpha.-AMINOACETOPHENONES AS PHOTOINITIATORS
11/24/1992CA1310608C Process for the preparation of carbodiimides
11/24/1992CA1310470C Ferrierites, process for preparation and utilisation thereof