Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/1981
12/02/1981EP0040645A1 Process for producing non-dusting metal salts and/or soaps
12/01/1981US4303675 2,5-dimethyl-2,5-hexanediol
12/01/1981US4303673 N-Propionylsarcosineanilides, process for their preparation, and pharmaceutical compositions containing them
12/01/1981US4303672 Cyclopropanecarboxylate insecticides and/or acaricides exhibiting low toxicity to mammals and fish
12/01/1981US4303639 1,2-Alkanediol derivatives in cosmetic compositions as an excipient therefor
12/01/1981US4303621 Process for the recovery of methionine and potassium bicarbonate
12/01/1981US4303593 Process for the dimerization of hexafluoropropene oxide
12/01/1981US4303590 Method for the preparation of a lower alkyl ester of fatty acids
12/01/1981US4303589 Hydroesterification process
12/01/1981US4303585 3-Oxa-bicyclo (3,1,0)-hexan-2-one intermediates
12/01/1981CA1113510A1 Hydrogenation of cyclopentadiene to form cyclopentene
12/01/1981CA1113509A1 Xylene isomerization
12/01/1981CA1113507A1 Production of 1,2-dichloroethane
12/01/1981CA1113506A1 Process for preparation of aromatic hydroperoxides
12/01/1981CA1113505A1 Catalytic process for producing polyhydric alcohols
12/01/1981CA1113504A1 Preparation of alkylphenols
12/01/1981CA1113502A1 Dichlorovinylcyclobutanones, processes for preparing them, and their use as intermediates for producing pesticidal compositions
12/01/1981CA1113499A1 Preparation of aldehydes
12/01/1981CA1113498A1 Preparation of methacrylic derivatives from tertiary butyl-containing compound
12/01/1981CA1113497A1 Process for the manufacture of n,n'-diacetylethylene diamine
12/01/1981CA1113495A1 Process for preparation of urea
12/01/1981CA1113493A1 Herbicidal diphenyl ethers
12/01/1981CA1113491A1 Manufacture of butanedicarboxylic acid esters
12/01/1981CA1113490A1 Process for the preparation of esters of oxalic acid
12/01/1981CA1113488A1 Bis-anthranilates
12/01/1981CA1113487A1 Anthranilates of oxyalkylated carboxamides
12/01/1981CA1113485A1 Nitro phenols
12/01/1981CA1113484A1 [n-benzyl-o-(2,6-dichloroanilino) phenyl] acetic acid derivatives
12/01/1981CA1113483A1 Thiocarbamate preparation utilizing quarternary ammonium salt catalysts
12/01/1981CA1113477A1 Substituted phenoxybenzyloxycarbonyl derivatives and their use as insecticides and acaricides
12/01/1981CA1113463A1 3-(2-hydroxy-4-(substituted)phenyl) azacycloalkanes and derivatives thereof as analgesic agents and intermediates therefor
11/1981
11/26/1981WO1981003328A1 Bicyclic compounds and utilization thereof as perfuming agents
11/25/1981EP0040583A1 Process for the preparation of a UV-absorbing mask
11/25/1981EP0040560A1 Alkane-sulfonyl chlorides preparation
11/25/1981EP0040481A2 Methanol production
11/25/1981EP0040463A1 Shape selective reactions with zeolite catalyst modified with iron and/or cobalt
11/25/1981EP0040444A1 Process for the preparation of crystalline silicates, crystalline silicates so prepared and process for carrying out catalytic reactions
11/25/1981EP0040429A1 Cyanide reduction in nitroaromatic process
11/25/1981EP0040420A1 4-Bis((phenylmethyl)amino)benzenesulfonic acids and virus inhibiting compositions containing them
11/25/1981EP0040407A1 Polyprenyl carboxylic acid derivatives, process for the preparation of the same, and pharmaceutical compositions
11/25/1981EP0040400A1 Process for preparing the mono-methallyl-ether of pyrocatechin
11/25/1981EP0040346A1 Process for refining a raw condensation product from aminoalkylalkanol amines and fatty acids, and as soon as required for the subsequent recovery of amphotensides with higher stability
11/25/1981EP0040338A2 Process for the preparation of acylated indanes and tetrahydronaphthalenes
11/25/1981EP0023923A4 Compounds and catalysts containing phosphorus, arsenic or nitrogen and their use in hydrocarbon conversion processes.
11/24/1981US4302622 Shape selective reactions utilizing group III a metal-modified zeolite catalyst
11/24/1981US4302621 Shape selective reactions utilizing zeolites modified with Group V A metals
11/24/1981US4302620 Reactions involving zeolite catalysts modified with group IV A metals
11/24/1981US4302614 2,2-Bis[4-(2,3-dibromopropoxy)-3,5-dibromophenyl]-propane process
11/24/1981US4302613 Strontium- or barium-based catalyst
11/24/1981US4302609 Process for the manufacture of methylglyoxal
11/24/1981US4302608 Antimony pentafluoride as catalyst
11/24/1981US4302605 Process for the manufacture of dimethyl sulfide
11/24/1981US4302603 Producing alkylamines from olefins with alkali metal amide catalyst
11/24/1981US4302602 Uv absorbers; reaction of salicylaldehyde, betaine, and acetic anhydride
11/24/1981US4302601 Aromatic ketones having cardiovascular activity
11/24/1981US4302600 Ion exchanging using a disposable secondary and/or primary amine group-containing cationic polymer
11/24/1981US4302598 Alkali metal methylate, excell dimethylamine
11/24/1981US4302597 Using a catalyst prepared by reacting a copper chelate with an aluminum alkyl or hydride
11/24/1981US4302595 Two stage hydrolysis, crystallization
11/24/1981US4302584 Preparation of 3,3-dimethyl-pent-4-enoic acid amides
11/24/1981US4302583 Process for the preparation of acyl cyanides
11/24/1981US4302472 Substituted N-(β-alkoxy-ethyl)-N-(4-phenoxy-benzyl)-dichloro-acetamides and process for their preparation
11/24/1981US4302432 Preparation of hydrogen iodide, lithium iodide and methyl iodide
11/24/1981US4302402 Process for the preparation of oximinonitriles
11/24/1981US4302396 Chlorinated 4-methylphthalic anhydrides
11/24/1981US4302366 Telomerizing an organic thio acid with an ethylenically unsaturated compound
11/24/1981US4302363 Perfume compositions containing 4(5)-acetyl-7,7,9(7,9,9)-trimethylbicyclo[4.]non-1-ene
11/24/1981US4302357 Catalyst for production of ethylene from ethanol
11/24/1981US4302352 Fluorophenylcyclohexanes, the preparation thereof and their use as components of liquid crystal dielectrics
11/24/1981US4302306 Bromination of side chain of m-phenoxytoluene
11/24/1981CA1113125A1 Ethynylbenzenes
11/24/1981CA1113124A1 Process for the preparation of tertiary butyl alcohol
11/24/1981CA1113123A1 Continuous process for producing alkylene glycols from alkylene carbonates
11/24/1981CA1113120A1 Process for preparing anthranylaldehyde derivatives
11/24/1981CA1113118A1 Separation of sulfonic acide from the base solution
11/24/1981CA1113115A1 Hydrogenation
11/24/1981CA1113114A1 Cycloalkylidenemethylphenylacetic acid derivatives
11/24/1981CA1113111A1 Process for the industrial synthesis of vinyl and isopropenyl chloroformate and thiochloroformate
11/24/1981CA1113089A1 .alpha.-HALOMETHYL DERIVATIVES OF AMINES
11/24/1981CA1112839A1 Catalyst and process for producing polyhydric alcohols and derivatives
11/18/1981EP0040177A1 Process for the preparation of benzene or naphthalene alkenyl carboxylic acid derivatives
11/18/1981EP0040150A1 Fluoromethylated tyrosine methyl ester
11/18/1981EP0040119A1 Process for the dehydrocyclisation of paraffins at very low pressures
11/18/1981EP0040082A1 Novel substituted oxonicotinates, their use as plant growth regulators and plant growth regulating compositions containing them
11/18/1981EP0040021A1 Amides and sulfonamides of prostaglandine-type compounds and compositions containing them
11/18/1981EP0040016A1 Zeolite Nu-3
11/18/1981EP0040015A1 Process for making olefins
11/18/1981EP0040000A1 Arylethanolamine derivatives, their preparation and use in pharmaceutical compositions
11/18/1981EP0039996A1 Alumina and/or silica catalysts supported on microporous glass
11/18/1981EP0039964A1 A process for the preparation of an aromatic hydrocarbon mixture
11/18/1981EP0039892A1 Substituted phenyl ethers
11/18/1981EP0039890A1 Method for the preparation of hydroquinone mono-phenyl ethers
11/18/1981EP0039889A1 Process for preparing amitinol
11/18/1981EP0039880A1 Agents for the detection of esterolytic and/or proteolytic enzymes; and phenoxy-amino acids and phenoxy-peptide esters suitable as substrates therefor, process for their production and their use in producing the agents
11/18/1981EP0039878A1 Method of making mixed esters of phthalic acid
11/18/1981EP0039859A2 Process for preparing polyglycol ether coformals and polyglycol ether coformals
11/18/1981EP0039830A1 Process for the preparation of optically active compounds and their use in the preparation of vitamin E
11/18/1981EP0039813A1 Fluor-containing azomethines, preparation thereof and use thereof as intermediates
11/18/1981EP0039812A1 Preparation of 3-hydroxybenzoic acid
11/18/1981EP0039810A1 Process for the preparation of 2-trifluoromethyl aniline
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