Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
06/1989
06/14/1989EP0320451A2 Process for preparing alkyl-substituted phenols or naphthols
06/14/1989EP0320448A2 3-Aminobenzoyl phenyl urea
06/14/1989EP0320402A1 Enantioselective process for the preparation of trans or cis hemicaron aldehyde derivatives, and intermediates obtained
06/14/1989EP0320346A2 Process for preparing hydroxylated aromatic derivatives by way of the Bayer-Villiger reaction
06/14/1989EP0320339A1 Process for the preparation of unsaturated alcohols
06/14/1989EP0320301A2 Process for preparation of hydrocarbons
06/14/1989EP0320228A2 Improved dichlorobutene isomerization process
06/14/1989EP0320140A1 Solidification and vapor mitigation of aldehyde spills
06/14/1989EP0320096A1 Process for asymmetrically reducing carbonyl compounds
06/14/1989EP0320094A2 A process containing HF alkylation and selective hydrogenation
06/14/1989EP0320074A1 Chemical reaction in the presence of a supported copper catalyst
06/14/1989EP0320055A2 Hydrocarbon soluble copper alkoxide compositions
06/14/1989EP0320046A1 Process for recovering high-purity D(-)-3-hydroxybutanoic acid
06/14/1989EP0320043A2 Process for the synthesis of polyol fatty acid esters
06/14/1989EP0320005A2 Fluorinated polymers and copolymers containing perfluoropolyether blocks
06/14/1989EP0319947A2 Bis-S-alkylbenzene derivatives
06/14/1989EP0319929A2 Novel blocked isocyanates and method of making and using the same
06/14/1989EP0319915A2 Method for producing 4,4'-dibromobiphenyl
06/14/1989EP0319847A2 Method for the preparation of optically active 3-desmethylmevalonic acid derivatives and intermediate compounds
06/14/1989EP0319819A1 Process for obtaining solid or pasty products
06/14/1989EP0319754A1 Process for the preparation of a catalytically active mass containing Mo, Bi, Fe, Co a/o Ni for the gas phase oxidation of propylene into acroleine and acrylic acid
06/14/1989EP0314717A4 Process for preparing alkyl tetrabromophthalates.
06/14/1989EP0297107A4 Production of stable crystalline sodium acetylsalicylate.
06/14/1989CN1004485B Process for meth-acrylic acid esters and their use
06/13/1989US4839427 Resin systems cured with blocked acid catalysts
06/13/1989US4839390 For soil treatment; agriculture
06/13/1989US4839388 Prostacyclins and pharmaceuticals containing the same
06/13/1989US4839379 Aromatase inhibitors
06/13/1989US4839364 9-Amino-3,4-dihydroacridines and related compounds useful for enhancing memory
06/13/1989US4839348 Hypotensive agents; anticoagulants, antiischemic agents
06/13/1989US4839340 Bornane-3-spiro-1'-cyclopentane derivatives and perfumery compositions containing them
06/13/1989US4839329 Vaccum drying titanium dioxide mixing with palladium chloride solution
06/13/1989US4839256 Perfluoroalkyl group-containing 1,2-napthoquinone daizide compounds and reproduction materials produced therefrom
06/13/1989US4839155 Iodotamoxifen derivatives and use for estrogen receptor-positive breast cancer detection and therapy
06/13/1989US4839153 Process for purification of HCl from pyrolysis of EDC
06/13/1989US4839094 Overbased alkali metal additives
06/13/1989US4839091 Tolan derivative and liquid crystal composition containing the same
06/13/1989US4839069 Olefin polysulfide compositions their manufacture and use as additives for lubricants
06/13/1989CA1255844A1 Radiation sterilizable absorbable polymeric materials and methods for manufacturing the same
06/13/1989CA1255704A1 Process for the preparation of (2,2)-paracyclophane and derivatives thereof
06/13/1989CA1255703A1 Process for the preparation of vicinal diols soluble in water
06/13/1989CA1255701A1 Process for producing monotertiary butyl toluenediamine
06/13/1989CA1255699A1 Rhodium catalyzed hydroformylation of internal olefins
06/13/1989CA1255695A1 Process for the production of polyalkylaromatic polysulfonic acids and recovery by heavy phase separation
06/13/1989CA1255693A1 Perfluoroalkyl substituted pyromellitates
06/13/1989CA1255691A1 Process for the preparation of sulphurized overbased salicylates
06/13/1989CA1255688A1 Matathesis of olefins catalyzed with a tungsten complex
06/13/1989CA1255667A1 Dichloroaniline derivatives
06/13/1989CA1255659A1 Polyaromatic cyanates
06/13/1989CA1255599A1 Pharmaceutical compositions containing a 1-substituted methoxy-4-trimethyl-1,2,3,6 benzene derivative
06/07/1989EP0319434A2 Process for the purification of hexamethylene diamine
06/07/1989EP0319407A1 Process for the preparation of vitamin A
06/07/1989EP0319406A1 Process for the preparation of unsaturated alcohols
06/07/1989EP0319369A1 Process and apparatus for the conversion of hydrocarbons
06/07/1989EP0319327A1 Process for preparing bisphenol A
06/07/1989EP0319326A2 Process for preparing 2,2-bis(4-hydroxyphenyl) propane of high purity
06/07/1989EP0319310A2 Process for the alkylation of phenols
06/07/1989EP0319302A2 Process for dehydrogenating cyclohexenone
06/07/1989EP0319192A2 Process for producing a phosphorus-antimony-containing cata- lyst for oxidation of organic compounds
06/07/1989EP0319153A1 Preparation of 3,3,3-trifluoropropene-1
06/07/1989EP0319116A1 Hydrogenation catalyst
06/07/1989EP0319065A1 Catalyst systems for olefin disproportionation and process using such systems
06/07/1989EP0318990A2 Compositions possessing pheromone-like activity
06/07/1989EP0318796A2 Substituted benzoyl(thio) ureas
06/07/1989EP0318782A2 Substituted benzoyl(thio) ureas
06/07/1989EP0318781A2 Alkoxyanilines containing fluorine atoms on the aromatic ring and on the side chains and process for the preparation of alkoxyanilines containing fluorine atoms on the aromatic ring and on the side chain
06/07/1989EP0318591A1 Process for preparing dihydroxynaphthalene
06/07/1989CN1033271A 2,2-difluorocyclopropylethane derivatives processes for their preparation and their use as pesticides
06/07/1989CN1033246A Catalyst systems for olefin disproportionation and process using such system
06/06/1989USRE32944 Aromatic carboxylic amide derivatives
06/06/1989US4837398 Ammonium activation of zeolites in the presence of gaseous ammonia
06/06/1989US4837371 By means of semipermeable membrane and added water soluble ror ganic solvent
06/06/1989US4837369 Process for the preparation of 3-fluoro-2-(fluoromethyl)-propene
06/06/1989US4837365 Chlorinated β-ketoesters, their preparation and their use
06/06/1989US4837364 Processes for preparing pentafluoroethoxy- and pentafluoroethylthiobenzene drivatives
06/06/1989US4837363 Gastric acid secretion inhibitors, antiulcer agents
06/06/1989US4837362 Preparation of pure hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms
06/06/1989US4837360 Process for producing acrolein and acrylic acid
06/06/1989US4837359 From diisocyanate and diamine, both containing aliphatically and/or cycloaliphatically bound isocyanate and amino groups
06/06/1989US4837358 Preparation of 9-alkenyl ester compounds
06/06/1989US4837357 Preparation of 2,2-disubstituted 3-chloropropionic esters
06/06/1989US4837351 2-cyano-4-phenyl pentane and fragrance or perfume compositions containing the same
06/06/1989US4837350 Process for the preparation of benzoin sulfonates
06/06/1989US4837332 Process for blocking amino acids with the tertiary-alkoxycarbonyl group
06/06/1989US4837330 Reacting an adduct of a base having a tertiary n atom and sulf ur trioxide with an alkylene oxide
06/06/1989US4837287 t-Alkenyl peroxy esters and their use as initiators and curing agents
06/06/1989US4837233 Mixture of particulate catalysts
06/06/1989US4837229 5-aminosalicylic acid-O-sulfates of physiologically acceptable bases, process for the preparation thereof and drugs containing same
06/06/1989US4837226 Polycyclic amine derivatives useful as cerebrovascular agents
06/06/1989US4837190 Organic solvent soluble polyvalent metal alkoxy alkoxides
06/06/1989US4837188 Tungsten compound, oreganometallic compounds, fluorinated compound
06/06/1989US4837136 Silver halide photographic materials comprising non-diffusible photographically useful compounds
06/06/1989US4836958 Fluorinated cationic compounds
06/06/1989CA1255334A1 Process for the preparation of dimerization products from olefins
06/06/1989CA1255332A1 Process for the preparation of 4,4'-dinitrodibenzyls
06/06/1989CA1255331A1 Production of higher carbonyl compounds from lower alcohols
06/06/1989CA1255330A1 Process for the preparation of 2,4-dichloro-5-fluoro- benzoic acid
06/06/1989CA1255328A1 Chemical process
06/06/1989CA1255327A1 Process for producing acyloxy aromatic carboxylic acid
06/06/1989CA1255285A1 Catalyst mixtures for aromatic hydrocarbon synthesis
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