Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
01/1981
01/07/1981EP0021747A1 Process for the preparation of terephthalic acid
01/07/1981EP0021665A1 Process for producing aralkyl alcohols
01/07/1981EP0021637A1 Amidothiol derivatives
01/07/1981EP0021636A1 Secondary amines, their preparation and use in pharmaceutical compositions
01/07/1981EP0021622A1 1-(Aminoalkylamino)-5,8-dihydroxy-4-substituted-anthraquinones, process for their preparation and pharmaceutical compositions containing them
01/07/1981EP0021600A1 Selective alkylation of xylenes with ethylene
01/07/1981EP0021596A1 N,N'-bis-2(3(3,5-t-butyl-4-hydroxyphenyl)propionyloxy)ethyl oxamide, a method of making it and compositions incorporating it
01/07/1981EP0021569A1 Amino-terminated polymers, process for their preparation and their use
01/07/1981EP0021528A1 Process for the selective hydrogenation of triglyceride oils and products so obtained
01/07/1981EP0021525A1 Process for the preparation of carboxylated compounds
01/07/1981EP0021521A2 Process for the preparation of dihalovinyl compounds
01/07/1981EP0021519A2 Oxyimino-substituted cyclopropane compounds, process for their manufacture, pesticidal compositions and their use as and in the manufacture of pesticides
01/07/1981EP0021503A1 Process for removing alkali metal carboxylates from mixtures containing a cycloalkanone and a cycloalkanol obtained in oxidation of cycloalkanes
01/07/1981EP0021497A1 Synthesis of polyoxyalkylene glycol monoalkyl ethers
01/07/1981EP0021496A1 Synthesis of long-chain alkanes having terminal functionality
01/07/1981EP0021490A1 Process for the recovery of ethylene oligomers
01/07/1981EP0021475A1 Crystalline silicates, process for their preparation and catalytic conversions using them
01/07/1981EP0021445A2 Method for preparing zeolites, zeolites obtained by such method and their use for the conversion of hydrocarbons
01/07/1981EP0021444A1 Process for producing two-carbon atom oxygenated compounds from synthesis gas with minimal production of methane
01/07/1981EP0021431A2 Quaternary alkylamino-di-alkylcarbonic acid-di-esters, process for their preparation and their use
01/07/1981EP0021383A1 Process for the recovery of benzene and chlorine from hexachlorocyclohexanes
01/07/1981EP0021382A1 Process for the production of cyclopropane carboxylic acid derivatives, intermediates therefor and process for their production
01/07/1981EP0021381A1 Process for the recovery of pyrolysis energy in the preparation of vinyl chloride through thermal cracking of 1.2-dichloroethane
01/07/1981EP0021374A1 Process for the preparation of 4-amino-diphenyl amines
01/07/1981EP0021373A2 Process for the preparation of aromatic dicarboxylic acid dichlorides and their use in the preparation of polycondensates
01/07/1981EP0021356A1 4(5)-Acetyl-7,7,9(7,9,9)-trimethyl-bicyclo(4.3.0)non-1-ene, its preparation and use as perfume, and perfume compositions containing it
01/07/1981EP0021330A1 Process for the preparation of ethanol from synthesis gas
01/07/1981EP0021324A1 m-Anilido urethanes and herbicidal compositions which contain them
01/07/1981EP0021314A1 Di- or polyisocyanates partially blocked with alcanolamines and stabilised and process for preparing them
01/07/1981EP0021242A1 Use of microwave energy in the production of plasticizer esters
01/07/1981EP0021229A1 Arylazo compounds, their preparation and their use
01/07/1981EP0021221A1 Process for the dimerization of hexafluoropropene oxide
01/07/1981EP0021220A1 Use of a gasifying nozzle in photochemical gas-liquid reactions
01/07/1981EP0021169A1 Process for the selective formation of disulfide bridges in polypeptides, and use of the obtained products in medicines
01/07/1981EP0021162A1 Process for the preparation of saturated secondary alkyl amines
01/07/1981EP0021160A1 Process for the preparation of trans-3,3-dimethyl-cyclopropane-1,2-dicarboxylic acid
01/07/1981EP0021115A1 Process for the production of 3,3-dimethyl-cyclopropane-1,1,2-tricarboxylic acid derivatives, alpha-halogen nitriles as intermediates therefor and process for their production
01/07/1981EP0021114A1 Process for the preparation of 2-cyano-3,3-dimethyl-cyclopropane-1-carboxylic acid esters, intermediates therefor and their production
01/07/1981EP0021113A1 Process for the preparation of 3,3-dimethyl-cyclopropane-1,2-dicarboxylic acid esters, intermediates therefor and their production
01/07/1981EP0021112A1 Process for the preparation of derivatives of 1,3-dibromo-2,2-dimethyl-propane-1,3-dicarboxylic acid, as well as the dichloride of 1,3-dibromo-2,2-dimethyl-propane-1,3-dicarboxylic acid and its monoesterchlorides as intermediary products
01/07/1981EP0021092A1 Process for the preparation of 3,3-dimethyl-cyclopropane-1,2-dicarboxylic acid esters
01/07/1981EP0021079A1 Ortho esters containing tertiary amino groups, their preparation and their utilization as catalysts
01/07/1981EP0021074A1 Process for the production of citral
01/07/1981EP0021072A1 Production of alpha-hydroxy oximes
01/07/1981EP0021067A1 Triisocyanates, a process for their production, their use for the production of polyurethanes and a coating composition comprising these polyurethanes
01/07/1981EP0021039A2 Process for preparing aromatic azomethines
01/07/1981EP0021021A1 Device for the recovery of xylene and/or paraffin and similar substances for histological purposes
01/07/1981EP0021010A1 Process for the preparation of butanedioic acid esters
01/07/1981EP0021000A2 Substituted acetophenones, their preparation and pharmaceutical compositions containing them
01/07/1981EP0020990A2 Process for the recovery and recycling of an oxydation catalyst in the Witten DMT process
01/07/1981EP0020988A2 Process for preparing alpha-cyano-benzyl esters; intermediates therefor and their preparation
01/07/1981EP0020969A1 Process for the preparation of a mixture of 3-chloro-anthranilic acid alkyl ester and 6-chloro-anthranilic acid alkyl ester
01/07/1981EP0020945A1 Compositions containing half esters of organic polyols, a process for their production and use of the compositions in the production of moulded articles
01/07/1981EP0020907A2 Process for preparing betaines
01/07/1981EP0020885A1 Derivatives of 2-hydroxy-6,9-methano-11-amino-5,6,7,8,9,10-hexahydro-benzocyclooctene, process for their preparation and pharmaceutical compositions containing the same
01/07/1981EP0020867A1 Ethoxylation with strontium bases
01/07/1981EP0020859A1 Substituted N-allyl acetanilides, process for their preparation and their use as fungicides
01/07/1981EP0020753A1 Skin-equivalent.
01/07/1981EP0020752A1 Process for preparing alkanoic esters.
01/07/1981EP0020685A1 Insecticidal cyclopropanecarboxylates from substituted (1,1'-biphenyl)-3-ylmethyl compounds.
01/07/1981EP0020549A1 Method of preparing monoesters
01/07/1981EP0020391A1 Substituted acetic acid esters
01/06/1981US4243827 Titanium alkylation catalyst
01/06/1981US4243822 Fusion reaction of a alkali metal biphenyl-4,4'-disulfonate and an alkali metal hydroxide; stoichiometry
01/06/1981US4243821 Reacting a cumyl halide with hydrogen peroxide in the presence of a-methyl styrene and a phenolic catalyst
01/06/1981US4243816 Phenol-acetals
01/06/1981US4243815 Preparation of methylene-bis(4-phenylcarbamic acid esters)
01/06/1981US4243814 Process for the chemical catalytic hydrolysis of an α-aminonitrile or of one of the salts thereof
01/06/1981US4243739 Silver halide photographic light-sensitive material
01/06/1981US4243683 Insecticides, miticides
01/06/1981US4243682 Fluoronaphthylones
01/06/1981US4243679 Expectorants
01/06/1981US4243636 Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds
01/06/1981US4243607 Process for the preparation of tetrachloroalkanes
01/06/1981US4243606 Azo dye coupler intermediates
01/06/1981US4243601 Oxidizers, charge transfer compounds, redox potentials
01/06/1981US4243599 Stabilization by dipicolinic acid of the epoxidation of a lower olefin with per-p-toluic acid
01/06/1981US4243585 Bendodiazocine derivatives and process of making the same
01/06/1981US4243540 Organic esters for lubricating compositions
01/06/1981US4243410 Herbicidally active α-(4-phenoxyphenoxy)propionic acid alkoxyalkyl amides, herbicidal compositions containing them and their use
01/06/1981CA1093099A1 Process for purifying gaseous formaldehyde
01/06/1981CA1093098A1 Process for the production of intermediate oxidation products of toluenes having ether linkages
01/06/1981CA1093097A1 Process for the production of cyanopinacolone
01/06/1981CA1093096A1 Heart active derivatives of 1-amino-2,3-dihydroxy propane
01/06/1981CA1093095A1 Amines
01/06/1981CA1093094A1 Odorless catalysts for the synthesis of polyurethanes
01/06/1981CA1093093A1 Chloromethanesulphonic acid anilides and their use as herbicides
01/06/1981CA1093092A1 Process for making ether sulfonates
01/06/1981CA1093091A1 Polyprenyl carboxylic acid compound and hypotensive agent containing it as active ingredient
01/06/1981CA1093090A1 Non-migratory sulfonyl azide antioxidants
01/06/1981CA1093075A1 Naphthalenone derivatives and analogs
01/06/1981CA1093072A1 Quaternary ammonium antiarrhythmic drugs
01/06/1981CA1093057A1 Isolation and regeneration of rhodium-containing catalysts from distillation residues of hydroformylation reactions
01/06/1981CA1093049A1 Residue treatment process
12/1980
12/30/1980US4242528 Process for preparing isopropenyl phenol
12/30/1980US4242523 Process for the preparation of para-nitroso-diphenyl-hydroxylamines
12/30/1980US4242522 Antiinflammatory, analgesic
12/30/1980US4242357 Insecticides, miticides
12/30/1980US4242355 Dopaminergic activity
12/30/1980US4242352 Hypotensive