Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
11/1981
11/03/1981US4298955 Method of and apparatus for the detection and analysis of hazards
11/03/1981US4298766 Preparation of 2-methyl-pentane-2,4-diol
11/03/1981US4298761 Preparation of 4-nitrothioanisole
11/03/1981US4298758 Esterification with acid and alkali metal salt of acid
11/03/1981US4298757 Intermediates for pyrethroids
11/03/1981US4298755 Catalytic oxydehydrogenation process
11/03/1981US4298740 Process for the production of thiolcarbamate compounds
11/03/1981US4298617 Symmetrical and asymmetrical sulfinyl-dicarbamates
11/03/1981US4298547 Selective cracking of 2-phenylalkane isomer with zeolite
11/03/1981US4298546 Catalytic, to linear pentenenitrile in presence of butadiene
11/03/1981US4298545 Catalytic oxidation of condensate of heta- or para-xylylenediamine
11/03/1981US4298530 From phthalic anhydride and malonic acid in a solvent and in the presence of a metal compound catalyst
11/03/1981US4298524 One step, from alkaline xanthogenate, secondary amine, and oxidizer
11/03/1981CA1111866A1 Synthesis of s-3-chloro-1, 2-propanediol
11/03/1981CA1111865A1 Intermediate in the preparation of cyclopropylcarboxylate esters and process for its manufacture
11/03/1981CA1111864A1 Selective monoetherification of pyrocatechol
11/03/1981CA1111862A1 Process for preparing cyclohexanecarboxylic acid
11/03/1981CA1111861A1 Process for the preparation of alkylthiosulphates and alkylidenethiosulphates
11/03/1981CA1111852A1 Propenyl-amines, processes for their production and pharmaceutical compositions containing them
11/03/1981CA1111843A1 Aromatic nitro compounds
11/03/1981CA1111842A1 Photographic elements containing ballasted electron- accepting nucleophilic displacement compounds
11/03/1981CA1111826A1 Hydrogenation catalyst
11/03/1981CA1111696A1 Acylamino substituted hydroquinoes as antistain agents for colour photographic materials
10/1981
10/28/1981EP0038735A1 Method for the preparation of compounds having a perfluoroalkyl group, in acid media containing zinc
10/28/1981EP0038708A1 Process for producing benzophenone-azines
10/28/1981EP0038676A1 Process for preparing fluorene derivatives
10/28/1981EP0038668A1 Dehydration of alcohols
10/28/1981EP0038636A2 Sulfonamide derivatives, compositions containing them and their production and use
10/28/1981EP0038617A1 Diastereomers of amino acid esters, pesticidal compositions including them and method of controlling pests using them
10/28/1981EP0038541A1 Novel prodrugs of biologically active agents containing mercapto groups, process for preparing and therapeutically effective composition containing the same
10/28/1981EP0038540A1 Process for preparing di C1 to C12 alkyl sulfides
10/28/1981EP0038512A1 Transdermal carrier materials
10/28/1981EP0038480A1 Process for the preparation of 1-(4-hydroxyphenyl)-3-butanone and intermediate compounds for this process
10/28/1981EP0038479A1 Catalysts for the oligomerisation of olefines
10/28/1981EP0038471A1 Beta-gamma-unsaturated ketones and isoprenoic dienones, process for their preparation and their use as perfume compounds and flavourings
10/28/1981EP0038377A1 Process for the synthesis of ortho-cresol, 2,6-xylenol and 2,3,6-trimethyl phenol
10/27/1981US4297520 By oxidizing p-methoxytoluene with a dichromate ion yielding substance and sulfuric acid
10/27/1981US4297519 Sodium carbonate - dimethyl sulfoxide oxidation of the oil obtained from the bromination of o-nitrotoluene
10/27/1981US4297517 By hydrolysis using a catalyst of platinum group metal catalyst
10/27/1981US4297515 Polarity; dissolving dopes or dichroitic dyes
10/27/1981US4297512 Acetonitrile, a hydrogenation catalyst of a group 8 metal on a lithium-aluminum sponel support and mono- and diethylamine
10/27/1981US4297511 By condensation of aniline and formaldehyde in the presence of a perfluorocarboxylic acid
10/27/1981US4297507 Using a corrosion-resistant zirconium-lined chemical reactor for oxidizing p-tolualdehyde
10/27/1981US4297505 Process for the preparation of pentachloro-3-butenoic acid esters
10/27/1981US4297503 Chemical intermediate for metoclopramide
10/27/1981US4297501 By reacting primary amines, carbon monoxide and an organic alcohol in the presence of oxygen and a metal catalyst system
10/27/1981US4297439 In the presence of a dithio ether; antifogging agents
10/27/1981US4297371 Insecticides, miticides, and pesticides; veterinary medicine
10/27/1981US4297300 Novel α-haloalkylcarbamic acid halides, and a process for the preparation of α-haloalkylcarbamic acid halides
10/27/1981US4297298 Wherein the peracid is obtained from the corresponding acid or anhydride in the presence of hydrogen peroxide and an acid catalyst
10/27/1981US4297290 Process for preparing sorbitan esters
10/27/1981US4297269 Wherein the diamine is used as a stabilizer
10/27/1981US4297256 Preparation of water-immiscible, acid-soluble N-(aminomethyl)-α,.beta.
10/27/1981US4297241 Method of preparing an olefin hydration catalyst
10/27/1981US4297181 Process for preparing ketones
10/27/1981EP0030541A4 Tripentylammonium decamolybdate and composition containing same.
10/27/1981CA1111452A1 Process for purification of crude resorcinol
10/27/1981CA1111449A1 Process for the preparation of 2,2'-dichloro- hydrazobenzene
10/27/1981CA1111447A1 Halogenated products, process for their preparation and their application to the preparation of metaphenoxy benzaldehyde
10/27/1981CA1111446A1 Process for the synthesis of urea
10/27/1981CA1111441A1 Polyene compounds
10/27/1981CA1111437A1 Hydroxy terminated polybutadiene based polyurethane bound propellant grains
10/27/1981CA1111435A1 Process for the preparation of 5,6-cis- and 5,6-trans- 10,19-dihydro-vitamin d derivatives
10/21/1981EP0038271A2 Cyclopropane carboxylic acid derivatives, their preparation and use in combating parasites of plants and animals, their compositions and intermediates
10/21/1981EP0038141A2 Preparation of aromatics processing catalyst, catalyst so prepared, and xylene isomerisation therewith
10/21/1981EP0038131A2 Bicyclooctane compounds, their production, compositions containing them and their pharmaceutical use
10/21/1981EP0038129A1 Process for the hydrolysis of glycol dialkyl ether to a monoalkyl ether and tertiary alcohol or tertiary olefin
10/21/1981EP0038116A1 Shape selective reactions with cadmium-modified zeolite catalysts
10/21/1981EP0038077A1 Process for separating monoolefins from a monoolefin mixture
10/21/1981EP0038061A1 Substituted biphenyl-2-carboxaldehydes and a process for preparing them
10/21/1981EP0038053A1 Method for the preparation of cis-nonen-6-yl chloride
10/21/1981EP0038046A2 Pharmaceutical amides, and preparation, formulations and use thereof
10/21/1981EP0038005A1 Process for the production of methylene-bis-phenylcarbamic acid esters and polymethylene polyphenylcarbamic acid esters
10/21/1981EP0037983A1 Method of making shaped crystalline aluminosilicates catalysts
10/21/1981EP0037982A1 Method of making shaped crystalline aluminosilicates catalysts
10/21/1981EP0037973A1 Process for the synthesis of estrone or estrone derivatives
10/21/1981EP0037971A2 Trisubstituted cyanoguanidines, process for their preparation and their use as fungicides
10/21/1981EP0037960A1 Process for the preparation of trichlorobenzenes
10/21/1981EP0037948A1 Process for preparing N,N'-dimethyl-N'-(2-bromo-4-methylphenyl) triazene
10/21/1981EP0037891A1 Process for the production of 3-mercapto-propanediol-(1,2)
10/21/1981EP0037889A1 Process for the preparation of 3-amino-1,2-propane diol
10/21/1981EP0037883A1 Process for the separation of sulphuric acid from the sulfoxidation product obtained by reacting paraffins with sulphurous anhydride, oxygen and water in the presence of ultraviolet light
10/21/1981EP0037856A1 Enhanced distillation of cyclohexanol from phenol with additional cyclohexanone feed
10/20/1981US4296266 Process for the manufacture of lower olefins from methanol/water mixtures
10/20/1981US4296260 Process for the preparation of phloroglucinol
10/20/1981US4296258 Process for the preparation of macrocyclic ketones
10/20/1981US4296254 Transetherification in amides
10/20/1981US4296245 Treating crude benzyl benzoate with hydrogen or metal, saponification
10/20/1981US4296243 Process for producing sorbic acid or its derivatives
10/20/1981US4296129 Antiaasthmatic inhibitor of slow-reacting substance of anaphylaxis
10/20/1981US4296128 Antithrombosis agents
10/20/1981US4296127 Mixed salts of essential or semi-essential amino acids and nitrogen-free analogs thereof
10/20/1981US4296126 3-Aryloxy-3-aryl-propaneamines and their method of use
10/20/1981US4296121 Hypotensive agents, anticoagulants
10/20/1981US4296043 From anthraquinones
10/20/1981US4295976 Fluorinated anti-stain and soil release finishes
10/20/1981CA1111075A1 Production of ethylene
10/20/1981CA1111074A1 Process for preparing aromatic hydrocarbons
10/20/1981CA1111072A1 Process for preparing thiophenols
10/20/1981CA1111070A1 N-alkyl polyamines and curing of epoxy resins therewith
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