| Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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| 04/11/1990 | EP0362816A1 Cyclopenteneheptanoic acid derivatives and method of preparation thereof |
| 04/11/1990 | EP0362651A2 Process for the production of 2,6-dimethylnaphthalene |
| 04/11/1990 | EP0271575B1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis |
| 04/11/1990 | EP0245418B1 Electrochemical treatment of lignins |
| 04/11/1990 | EP0245315B1 PROCESS FOR PREPARING $g(a)-HYDROXY CARBONYL COMPOUNDS |
| 04/11/1990 | EP0215010B1 Insecticidal composition comprising more than one active ingredients |
| 04/11/1990 | CN1041152A Ethers |
| 04/11/1990 | CN1007492B Technology for recirculating use of catalyst |
| 04/11/1990 | CA2000426A1 Process for the preparation of 3,3',4,4'biphenyltetracarboxylic acid and its derivatives |
| 04/10/1990 | US4916257 Process for the purification of 2-hydroxynaphthalene-6-carboxylic acid |
| 04/10/1990 | US4916256 Stoichiometric excess of trifluoroacetyl chloride to alcohol |
| 04/10/1990 | US4916255 Method for production of methacrylate ester |
| 04/10/1990 | US4916253 Fluorobenzoates and process for their production |
| 04/10/1990 | US4916252 Process for preparing optically active alcohol |
| 04/10/1990 | US4916230 Process for preparing novel N-(acyloxy-alkoxy)carbonyl derivatives useful as bioreversible prodrug moieties for primary and secondary amine functions in drugs |
| 04/10/1990 | US4916216 Process for granulating azobisamidine salts using an aqueous binder |
| 04/10/1990 | US4916157 Acylated naphthylamines as plant fungicides |
| 04/10/1990 | US4916156 Antiseptic or preservatives in pharmacy, cosmetology or food stuff |
| 04/10/1990 | US4916147 3-[(4-Aroyl) phenoxy (or phenylthio)]-cyclopentanecarboxylic acid analogues and treatment of cerebral edema therewith |
| 04/10/1990 | US4916136 Lipoxygenase and cyclooxygenase inhibitors |
| 04/10/1990 | US4916103 Preparation of a catalytically active composition for the gas phase oxidation of propylene to acrolein and acrylic acid |
| 04/10/1990 | US4916102 Catalyst system for olefin disproportionation |
| 04/10/1990 | US4916100 Process for preparing a catalyst system for selective alkylation of toluene with propylene |
| 04/10/1990 | US4915875 Nucleophilic substitution |
| 04/10/1990 | US4915480 Liquid crystalline compounds and mixtures |
| 04/10/1990 | EP0272285A4 Acylation and sulfonation of silylketene acetals. |
| 04/10/1990 | CA1267659A1 Inhibiting polymerization of vinyl aromatic monomers |
| 04/10/1990 | CA1267658A1 Method for preparing 3-ethylbenzophenone |
| 04/10/1990 | CA1267657A1 Hydroformylation process |
| 04/10/1990 | CA1267656A1 Photoinitiators for photopolymerization of unsaturated systems |
| 04/10/1990 | CA1267655A1 SULFATES AND SULFO-DERIVATIVES OF .beta.-NAPHTHOL POLYGLYCOL ETHERS AND ACID ZINC BATHS CONTAINING THESE COMPOUNDS |
| 04/10/1990 | CA1267645A1 Process and catalyst for the oligomerization of olefins |
| 04/10/1990 | CA1267503A1 Antitacking composition |
| 04/07/1990 | CA2000276A1 Fluorosubstituted benzene derivatives |
| 04/05/1990 | WO1990003361A1 Preparation of sodium diethyl oxalacetate |
| 04/05/1990 | WO1990003360A1 Mesogens and polymers with misogens |
| 04/05/1990 | WO1990003353A1 Liquid phase fluorination |
| 04/05/1990 | DE3833033A1 Process for the preparation of the isomeric monoesters of 2,2,4-trimethylpentane-1,3-diol with isobutyric acid |
| 04/04/1990 | EP0362001A1 N-cycloalkyl benzylamines alpha,alpha disubstituted, the process for their preparation, their use as drugs and their synthesis intermediates |
| 04/04/1990 | EP0361990A1 Disubstituted benzylamines, the process for their preparation, their use as drugs and their syntheses intermediates |
| 04/04/1990 | EP0361853A2 Mesogens and polymers with mesogens |
| 04/04/1990 | EP0361532A2 Ethane derivatives |
| 04/04/1990 | EP0361484A2 Process for preparation of allyl acetate |
| 04/04/1990 | EP0361479A2 Process for decomposing aromatic acylated compound.HF-BF3 complex |
| 04/04/1990 | EP0361424A2 Catalyst composition, process for cracking non-aromatic hydrocarbons and process for isomerizing C8-aromatic hydrocarbons |
| 04/04/1990 | EP0361273A2 7-Substituted derivatives of 3,5-dihydroxyhept-6-inoic acid, process for their preparation, their use as medicaments, and intermediates |
| 04/04/1990 | EP0361067A1 Disubstituted naphthalines, preparation processes and their herbicidal use |
| 04/04/1990 | EP0360874A1 Process for preparing para-cumylphenol |
| 04/04/1990 | EP0360821A1 Pharmaceutical compositions for treating adrenoleukodystrophy. |
| 04/04/1990 | EP0259346B1 R-1-cyan-1-r2 -cis-4-r1 -cyclohexane compounds |
| 04/04/1990 | EP0211238B1 Aminophenols and their use as oxidation hair dyeing agents |
| 04/04/1990 | EP0172849B1 Melt processable optically anisotropic polymers |
| 04/03/1990 | US4914257 Precipitating complex, distilling solvent |
| 04/03/1990 | US4914247 Process for preparing para-substituted halogenobenzene derivatives |
| 04/03/1990 | US4914244 Process for preparing difluorochloromethoxybenzenes |
| 04/03/1990 | US4914239 Method for production of cyclohexylamines |
| 04/03/1990 | US4914238 Process for the production of diisocyanates, selected diisocyantes produced thereby and the production of polyurethane plastics therefrom |
| 04/03/1990 | US4914236 Condensation of aniline and formaldehyde in the presence of water and reusable acid catalyst; hydrophobic solvent extraction |
| 04/03/1990 | US4914231 Method for purifying a crude diphenylsulfone tetracarboxylic acid |
| 04/03/1990 | US4914226 Malonic acid derivatives and methods for their synthesis |
| 04/03/1990 | US4914214 Condensing esterified 2-carboxyperhydroindole with specific isomer of n-(1-carbethoxybutyl)-alanine, deesterifying, forming salt |
| 04/03/1990 | US4914208 Optically active salts of a substituted thiazolidine-4-carboxylate and 3-chloro-2-hydroxypropyltrimethyl ammonium, their preparation and use |
| 04/03/1990 | US4914191 Reduced side effects |
| 04/03/1990 | US4914128 Controlling phytopathogens |
| 04/03/1990 | US4914127 3-Demethylmevalonic acid derivatives, a process for their preparation pharmaceutical products based on these compounds, their use and intermediates |
| 04/03/1990 | US4914072 Phosphorus/titania/zirconia catalyst for preparation of linear polyethylenepolyamines |
| 04/03/1990 | US4914068 Process for the dispersion of Group VIII metals in large pore zeolite catalysts |
| 04/03/1990 | US4913838 Liquid crystal compound with a 4-(optically active alkyl)-3-cyanophenyl group |
| 04/03/1990 | US4913727 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives |
| 04/03/1990 | US4913721 Plant growth regulators |
| 04/03/1990 | CA1267422A1 Process for the conversion of t-alkylphenol waste distillation bottoms to para-t-alkylphenol |
| 04/03/1990 | CA1267421A1 Benzoyl alanines compounds and their use as corrosion inhibitors |
| 04/03/1990 | CA1267420A1 Bicyclic naphthalenic derivatives, process for their preparation and use in human and veterinary medicine |
| 04/03/1990 | CA1267402A1 Substituted aluminosilicate compositions and process for preparing same |
| 04/03/1990 | CA1267363A1 Cosmetics |
| 03/29/1990 | DE3931937A1 Verfahren zur herstellung von 2-acetoxyisobuttersaeurebromid Process for the preparation of 2-acetoxyisobuttersaeurebromid |
| 03/28/1990 | EP0360683A1 Liquid crystals with a chiral structure derived from dehydroxy-4,4' bisphenol |
| 03/28/1990 | EP0360628A1 Derivates of norbornane and dimethanodecahydronaphthalene, useful for the preparation of new polymers |
| 03/28/1990 | EP0360351A1 Process for the preparation of cyclopentene, cyclopentane and cyclohexane derivatives |
| 03/28/1990 | EP0360087A2 Dihydroxy compounds attached to ester groups, process for their preparation and their use |
| 03/28/1990 | EP0360043A1 p-Terphenyl derivatives and liquid crystalline compositions |
| 03/28/1990 | EP0360042A1 p-Terphenyl derivatives and liquid crystalline compositions |
| 03/28/1990 | EP0305648B1 Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid |
| 03/28/1990 | EP0225378B1 Herbicidal 2-(substituted-phenyl)-3-amino-2-cyclopentenone derivatives |
| 03/28/1990 | EP0217092B1 3-dimethyl-mevalonic-acid derivatives, process for their preparation, pharmaceutical compositions based on these compounds, their use and intermediates |
| 03/28/1990 | CN1007348B Transition metal complex catalyzed processes |
| 03/28/1990 | CN1007346B Preparation of ethanol and higher alcohols from lower carbon number alcohols |
| 03/27/1990 | US4912280 Olefin dimerization method |
| 03/27/1990 | US4912271 Process for the manufacture of vinyl chloride by reaction of acetylene with hydrogen chloride |
| 03/27/1990 | US4912269 Cataltyic reaction of gaseous hydrogen bromide with perfluoroalkane sulphonyl chloride |
| 03/27/1990 | US4912268 Diazotizing an aromatic amine in presence of hydrogen fluoride; thermally decomposition of aryldiazonium fluoride |
| 03/27/1990 | US4912265 Phase transfer catalyzed process for borohydride reductions of carbonyl compounds |
| 03/27/1990 | US4912264 Liquid phase alkylation of a hydroxyl containing aromatic compound |
| 03/27/1990 | US4912263 Ionic exchangers modified with thiazolines |
| 03/27/1990 | US4912262 Reacting a cyclohexane-1,3,5-trione compound with a acylnitrile in presence of a base and Lewis acid |
| 03/27/1990 | US4912261 Stable isopropenyl acetophenone solutions |
| 03/27/1990 | US4912260 Process for the production of amines |
| 03/27/1990 | US4912259 Pentadiene amino compound |
| 03/27/1990 | US4912258 A 4-fluoroaniline compound |
| 03/27/1990 | US4912253 Method for the preparation of an unsaturated alcohol or ester thereof |