Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1989
10/11/1989EP0336263A2 Process for the preparation of fatty alcohol polyglycol ethers with reduced residual EO or PO content
10/11/1989EP0336216A1 Process for the preparation of monocarboxylic acid anhydrides
10/11/1989EP0336215A1 Supported catalyst for the preparation of anhydrides of monocarboxylic acids
10/11/1989EP0336134A2 Process for producing mono-ortho-tert-butyl-aniline using silica-alumina catalysts
10/11/1989CN1036202A Improvements in or relating to organic compounds
10/11/1989CN1036199A Method for pure dimethyl ether prodn.
10/11/1989CN1036198A Prepn. for bisphenol a
10/10/1989US4873391 Process for producing isobutylene
10/10/1989US4873388 Catalyst comprising an oxycompound of boron or phosphorus supported on a non-reducible metal compound
10/10/1989US4873383 Absorbing o-and, or p-dichlorobenzene with a tpz-3 type zeolite to isolate m-dichlorobenzene
10/10/1989US4873382 Purification of telomers prepared from chlorotrifluoroethylene and trichlorotrifluoroethane
10/10/1989US4873381 Hydrodehalogenation of CF3 CHClF in the presence of supported Pd
10/10/1989US4873376 Process for the production of monomeric alkenylphenols from dihydroxydiphenylalkanes
10/10/1989US4873373 Process for preparation of 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers
10/10/1989US4873369 Purification of cyclohexanone oxime containing ammonium sulfate
10/10/1989US4873368 Process for producing acrylic acid
10/10/1989US4873366 Process for producing 2,6-naphthalenedicarboxylic acid
10/10/1989US4873365 Process for the preparation of isophorone diisocyanate from isophorone dicarbamyl esters using highly selective SnO2 or CuO catalysts
10/10/1989US4873363 Three step process from p-bromobiphenylbenzylketone
10/10/1989US4873362 Reacting an acyloxyacetaldehyde with an aldehyde using an amine and acid catalyst system
10/10/1989US4873361 Process for production of p-acetoxybenzoic acid from p-acetoxyacetophenone
10/10/1989US4873351 Reacting antimony trioxide with organic mercaptan in the presence of a lower aliphatic carboxylic acid
10/10/1989US4873350 Diselenobis-benzoic acid amides of primary and secondary amines and processes for the treatment of diseases in humans caused by a cell injury
10/10/1989US4873349 Ruthenium catalyst for biarylic coupling; new steganolides
10/10/1989US4873344 Cyano containing indene derivatives
10/10/1989US4873338 Process for the preparation of 2-amino-5-acylamino phenols and starting compounds suitable therefor
10/10/1989US4873325 Catalytic conversion of oximes with non-zeolitic molecular sieves; sapo-11 and sapo-41
10/10/1989US4873315 Perfluorinated propyl derivative compounds
10/10/1989US4873267 Process for the production of methanol and a composition suitable for use as a catalyst in said process
10/10/1989US4873256 Antiandrogenic 4-hydroxymethyl-2-imidazolidine-diones
10/10/1989US4873221 Difluoro peptide compounds
10/10/1989US4873169 Reacting naphthoquinone diazide sulfonic acid halide with mono- or polyvalent phenolic compound
10/10/1989US4873108 Gel-filtration over porous, crosslinked dextran and elution
10/10/1989US4873027 Fluoroalkylaryliodonuim compounds
10/10/1989US4873026 Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid
10/10/1989US4873025 Alkylxylene sulfonate compositions
10/10/1989US4873019 Liquid crystals
10/10/1989US4872987 Separation of aqueous plant extract by gel permeation chromatography on crosslinked dextran
10/10/1989US4872902 Cyclohexanediones and their use as plant growth regulators
10/10/1989CA1262251A1 Preparation of 3-amino-4-hydroxybenzoic acids
10/05/1989WO1989009202A1 METHOD OF CRYSTALLIZATION AND PURIFICATION FOR OBTAINING STABE beta CRYSTAL OF TETRAKIS[3-(3,5-DI-TERTIARY-BUTYL-4-HYDROXYPHENYL)PROPIONYLOXYMETHYL]METHANE ON AN INDUSTRIAL SCALE
10/04/1989EP0335801A2 Process for the preparation of trifluoromethylvinyl derivatives from the corresponding halovinyl derivatives
10/04/1989EP0335776A1 Process for the preparation of sodium fluoroalcoholates
10/04/1989EP0335765A1 Catalytic system, its preparation process and use for preparing aldehyds
10/04/1989EP0335754A1 Process for the presulfurisation and activity control of a hydrocarbon treatment catalyst
10/04/1989EP0335625A2 Process for preparing carboxylic acids
10/04/1989EP0335355A2 Bis-(hydroxymethyl) cyclobutyl purines and pyrimidines
10/04/1989EP0335336A2 Catalytic hydrogenation of crude methylene bridged polyphenylamines to produce polycyclohexylamines
10/04/1989EP0335295A2 Process for the preparation of esters of carboxylic acids and alkylene glycol ethers, and their use
10/04/1989EP0335290A2 Process for the separation of butanol and butoxyacetaldehyde
10/04/1989EP0335274A2 Formation of nitrophenyl ethers from polyols and nitroanisoles
10/04/1989EP0335272A2 Hydrogenation of aromatic amines to produce their ring hydrogenated counterparts
10/04/1989EP0335222A1 Process for the preparation of nickel-aluminium oxide zirconium dioxide catalyst compositions
10/04/1989EP0335221A2 Method for obtaining 2-methylalkanals from mixtures of isomeric aldehydes
10/04/1989EP0335130A1 Mixed basic metal oxide catalyst
10/04/1989EP0334951A1 High yield method for preparation of dialkyl esters of polyhaloaromatic acids
10/03/1989US4871882 Process for the preparation of decabromodiphenyl ether with improved thermal stability
10/03/1989US4871880 Of an unsaturated alcohol or aldehyde using hydrogen and carbo n monoxide in the presence of a rhodium compound and a tris(su bstituted phenyl) phosphite
10/03/1989US4871873 Oxidation of arylmethylketones with dimethyl sulfoxide in hydrobromic acid; reacting with aromatic amine
10/03/1989US4871870 Immunomodulators and method of making same
10/03/1989US4871865 Tricyclic aromatic compounds
10/03/1989US4871858 Method of producing formamide compounds
10/03/1989US4871852 Quinoline-carboxylic acid derivatives
10/03/1989US4871828 Purification/isolation of isocyanate condensates
10/03/1989US4871821 Toughness
10/03/1989US4871775 Substituted phenoxyalkanolamies and phenoxyalkanol-cycloalkylamines in pharmaceutical formulations and use thereof
10/03/1989US4871773 N-alkylamides of D(+)-carnitine having antibacterial activity, process for their preparation and pharmaceutical and cosmetic compositions containing same
10/03/1989US4871772 Process for making a stable pharmaceutical preparation of prostagladin E compounds, and/or 15R forms thereof
10/03/1989US4871769 2-Trichloroacetoxy-3,4,5,6-tetrachlorobenzoic acid and compositions containing same for treating benign mammalian neoformations
10/03/1989US4871740 Antiulcer agent; reduction of side effects from steroids
10/03/1989US4871707 Method for preparing a catalyst for the synthesis of 1,2-dichloroethane
10/03/1989US4871484 Heating oxetane-3-carboxylic acid with inorganic acid chloride in presence of pyridine or dimethylformamide catalyst
10/03/1989US4871481 Cyanation and desulfonation of 1,4-diaminoanthraquinone-2-sulfonic acid in water and organic liquid mixture
10/03/1989US4871472 Esters in ferroelectric mixtures
10/03/1989US4871469 Trifluorotoluene derivatives
10/03/1989US4871460 Isolation/purification of isocyanate condensates by extraction with liquid or supercritical gas
10/03/1989US4871446 Catalytic cracking process employing mixed catalyst system
10/03/1989CA1262148A1 Process for preparing halogenated benzene derivatives
10/03/1989CA1262146A1 Nitrodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them as active ingredient
10/03/1989CA1262094A1 Use of alkylenediamine derivatives for the treatment of blood flow disturbances and pharmaceutical compositions containing them
09/1989
09/27/1989EP0334720A1 Process for the preparation of acyl isocyanates
09/27/1989EP0334702A1 Process for the production of tertiary alkylether by reactif distillation
09/27/1989EP0334597A1 A process for producing ethyl 2-(4'-(6"-chloro-2"-benzox-azolyl) phenoxy) proprionate
09/27/1989EP0334596A2 Synthesis of 2-(4-hydroxyphenoxy)alkanoic acid esters
09/27/1989EP0334595A2 Synthesis of 2-(4-hydroxyphenoxy)alkanoic acids
09/27/1989EP0334562A1 Process for the dispersion of group VIII metals in large pore zeolite catalysts
09/27/1989EP0334511A2 Oxidation process
09/27/1989EP0334477A2 Novel photoactive compounds, processes for their production and intermediates therefor
09/27/1989EP0334455A1 Process for the production of keto-diesters
09/27/1989EP0334428A2 Process for preparing liquid hydrocarbons
09/27/1989EP0334332A1 Ortho-alkylated aromatic amines via gamma alumina catalyst
09/27/1989EP0334195A2 Process for synthesizing hydroxymethyl-dihalo-dialkylphenol
09/27/1989EP0334188A2 Process for producing aromatic nitrile
09/27/1989EP0334154A2 Method for the continuous esterification of fatty acids
09/27/1989EP0334119A1 Compounds for inhibiting the biosynthesis of lipoxygenase-derived metabolites of arachidonic acid
09/27/1989EP0334118A1 Process for the catalytic hydrogenation of liquid fatty acid triglycerides for simultaneous production of fatty alcohols and C3-diols
09/27/1989EP0334097A2 Process for the preparation of 4,4'-Dihalogeno-bisphenyls
09/27/1989EP0334096A2 Process for the preparation of phenyl ketones etherified in position 4
09/27/1989EP0333984A2 Process for the preparation of polyglycerins
09/27/1989EP0333980A1 Propanone 1,3-disulfonic acid as an esterification catalyst
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