Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
06/1990
06/05/1990US4931471 Amides of paramethoxycinnamic and utilization thereof as solar filters
06/05/1990US4931466 Crystalline form and its preparation
06/05/1990US4931465 Benzaldoxime carbamate derivatives
06/05/1990US4931448 Thiomidate insecticides
06/05/1990US4931429 α-aminoacyl β-aminoacyl aminodiols as anti-hypertensive agents
06/05/1990US4931428 Perfumes; intermediates for pheromones
06/05/1990US4931418 Catalyst comprising potassium and cesium pyrosulfates with vanadium pentoxide and anatase
06/05/1990US4931218 Sulfated hydroxy mixed ethers, a process for their production, and their use
06/05/1990US4931184 Chromatographic separation
06/05/1990CA1270005A1 Catalytic conversion of propane to ethylene over zsm- 23
06/05/1990CA1270004A1 Catalytic conversion of propane to ethylene over zsm- 50
06/05/1990CA1270001A1 Oligomerization of olefins
06/05/1990CA1269998A1 Processes for the production of alkylene glycol in the presence of organometalate
06/05/1990CA1269997A1 Racemization process
06/05/1990CA1269996A1 Fluorinated diaminoalkyne derivatives
06/05/1990CA1269995A1 Process for the preparation of liquid 2-hydroxy- methylthiobutyric acid
06/05/1990CA1269993A1 AQUEOUS CONCENTRATES OF SALTS OF .alpha.-SULFONATED FATTY ACID ALKYL ESTERS
06/05/1990CA1269992A1 P-alkoxycyclohexylalkanols and p- alkoxycyclohexylalkyl esters, their preparation and their use as scents
06/05/1990CA1269991A1 Process for the preparation of diesters of dicarboxylic acids
06/05/1990CA1269990A1 Thyronine derivatives
06/05/1990CA1269979A1 Process for preparing 2-acyl-3,4-dialkoxyanilines
06/05/1990CA1269977A1 Indene compounds
06/05/1990CA1269936A1 Prostaglandins
05/1990
05/31/1990CA2002598A1 Preparation of biaryl compounds
05/30/1990EP0371004A1 [(1-Alkoxy-1-methyl)-ethoxy]-amines, their preparation and their use for the preparation of 3-acylamino-1-hydroxy-2-azetidinones
05/30/1990EP0370644A2 Herbicidal compounds
05/30/1990EP0324360B1 Process for the preparation of isobutyric acid or derivatives thereof
05/29/1990US4929797 Dimerization of methane by dehydrogenation, thermal diffusion
05/29/1990US4929790 Catalytic conversion of propane to ethylene over ZSM-23
05/29/1990US4929787 Process for converting methane to higher hydrocarbons
05/29/1990US4929786 Preparation of 1-aryl-1-alkenes
05/29/1990US4929776 Hydrogenation, ruthenium catalysts
05/29/1990US4929772 Process for preparing polyhalogenated carbinols
05/29/1990US4929771 Process for the preparation of alkyl-substituted phenols or naphthols
05/29/1990US4929768 Process for preparing dialdehyde
05/29/1990US4929766 Process are the preparation of p-hydroxy-benzaldehydes
05/29/1990US4929762 Process for producing a phenol and/or a cyclohexanone
05/29/1990US4929758 Preparation of tert-butylamine from isobutene
05/29/1990US4929757 Oxyalkylation, hydrogenation metal catalysts
05/29/1990US4929749 Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters
05/29/1990US4929710 Hydroxycarboxylic acid/Unsaturated aromatic hydrocarbon resin useful as recording material
05/29/1990US4929642 Pest-combating agents based on substituted 1,4-naphthoquinones and new substituted 1,4-naphthoquinones
05/29/1990US4929635 New derivatives of 4-vinyl benzoic acid, process for their preparation and their uses in therapeutics and as ligands
05/29/1990US4929629 Therapeutic compound
05/29/1990US4929318 Process for preparing halogenated alkane
05/29/1990US4929273 N-benzyl-2-(4-fluoro-3-trifluoromethylphenoxy)butanoic amide and herbicidal composition containing the same
05/29/1990CA2002893A1 Inhibition of polymerization during distillation of monomers
05/29/1990CA2002612A1 Process for preparing naphthalene derivative
05/29/1990CA1269675A1 Oxidation of methane over heterogeneous catalysts
05/29/1990CA1269672A1 Preparation of monoalkylene glycols using two liquid phase reaction menstruum
05/29/1990CA1269667A1 .alpha.-SUBSTITUTED 3,3,3-TRIFLUORO-2,2-DICHLORO-1- PROPANOLS AND THE PREPARATION THEREOF
05/29/1990CA1269665A1 Amine dealkylation process
05/23/1990EP0369212A1 Derivatives of (hetero)aryloxynaphthalene, process, and (hetero)aryloxynaphthyl amines, and their use as herbicides
05/23/1990EP0368946A1 1,2-dioxetanes.
05/23/1990EP0258232B1 Process for the production of chlorothalonyl
05/23/1990EP0250897B1 Process for the production of hydroxy-benzaldoxime-0 ethers
05/23/1990EP0226119B1 Halogen-tetrafluoropropionic acid, process for its preparation and its use
05/23/1990EP0221344B1 Sulphonyl-phenyl alkyl amines, process for their preparation and medicines
05/23/1990EP0220220B1 Process of preparing 2,2-dibromo-3-oxonitriles
05/23/1990EP0188484B1 Procedure for producing stearyl-beta-(3,5-dibutyl-4-hydroxyphenyl)propionate and bis-(beta(3,5-dibutyl-4-hydroxybenzyl)-methyl-carboxyethyl)sulphide
05/23/1990CN1042349A 环戊烷衍生物 Cyclopentane derivatives
05/23/1990CN1042317A Composition of matter and method for conversion of c3 and c4 hydrocarbons
05/23/1990CN1008093B Process for preparation of isothiuronium salts compounds
05/23/1990CN1008091B Process for preparation of leukotriene antagonists
05/23/1990CN1008089B Improved hydroformylation process
05/23/1990CN1008088B Alcohols production by hydrogenation of carboxylic acids
05/23/1990CN1008086B Continuous process for cracking 1,2-dichloroethane
05/23/1990CN1008055B Pesticide composition with acrylic derivs. as active component and process for preparing same, and use thereof
05/22/1990US4927980 Reacting chloroaromatic compound with alkali metal fluoride salts
05/22/1990US4927979 Process for the preparation of p-ethylphenol
05/22/1990US4927975 Antiandrogens, protecting, oxidation, reduction, hydrogenation, halogenation
05/22/1990US4927974 Hydration, oxidation of cyclohexene
05/22/1990US4927972 Reacting with hydrogen sulfide in the presence of an acid catalyst
05/22/1990US4927970 Histamine h2-antagonist, antiulcer
05/22/1990US4927968 Chemical intermediates and process
05/22/1990US4927964 Hydrolysis of ester
05/22/1990US4927957 To produce alkyl diesters of dihydromuconic acid
05/22/1990US4927955 Process for the O-alkylation of N-(hydroxy)aralkylphenylethanolamines
05/22/1990US4927928 Skin disorders, eyes, antitumor
05/22/1990US4927903 Esterification of polycarbonate
05/22/1990US4927865 Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof
05/22/1990US4927855 Levorotatory isomer of benzhydrylsulfinyl derivatives
05/22/1990US4927852 Insecticidal compounds characterized by enhanced knockdown effect
05/22/1990US4927836 Amide derivatives
05/22/1990US4927548 Fatty acid reacted with metal (hydr)oxide
05/22/1990US4927541 Process for refining amino acids
05/22/1990US4927507 Antibiotic intermediate
05/22/1990US4927454 Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides
05/22/1990CA2003481A1 Herbicidal compounds
05/22/1990CA1269402A1 PROCESS FOR PREPARING .alpha.-OLEFINS FROM LIGHT OLEFINS
05/22/1990CA1269401A1 Process of producing a mixture of methanol and higher alcohols
05/22/1990CA1269400A1 Selective halogenation of benzene di- and tri- methanol compounds
05/22/1990CA1269399A1 Solution process for preparing metal salt esters of hydrocarbyl substituted succinic acid or anhydride and alkanols
05/22/1990CA1269398A1 Process for the preparation of unsaturated compounds
05/22/1990CA1269396A1 Process for producing 2-isocyanato-2,3-dehydro carboxylic esters
05/22/1990CA1269394A1 Ceric oxidant
05/22/1990CA1269392A1 Process for preparing amides from nitriles and amines
05/22/1990CA1269371A1 Polycyclic aromatic derivatives, and their use in cosmetics
05/22/1990CA1269360A1 Catalyst
05/22/1990CA1269224A1 Crystalline gallophosphate compositions
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