Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/1981
12/15/1981US4306093 Strontium catalyzed alkoxylations
12/15/1981US4306092 Extraction by water solubility
12/15/1981US4306091 Catalytic hydrocarbonylation of methanol in the presence of cobalt, ruthenium and an alkyl halide and an ionic halide
12/15/1981US4306089 Catalytic oxidative dehydrogenation
12/15/1981US4306088 Vapor phase catalytic oxidation of isobutylene or tert-butyl alcohol
12/15/1981US4306087 Hydroformylation of olefinic compounds
12/15/1981US4306086 Hydroformylation catalyst system and processes
12/15/1981US4306082 Optically active tertiary phosphine oxides and tertiary phosphines and processes for their preparation
12/15/1981US4306077 Process for separating cis and trans isomers of cyclopropane carboxylic acids
12/15/1981US4306074 Preparation of a mixture of an alkyl 3-chloroanthranilate and an alkyl 6-chloroanthranilate
12/15/1981US4306032 Quaternization of amines entrained in a microporous matrix
12/15/1981US4305958 Lowering the viscosity of mucous
12/15/1981US4305940 Benzamides with local anaesthetic and antiarrhythmic activity, salts, and method of preparation thereof and pharmaceutical compositions therefrom
12/15/1981US4305889 Process for producing α, α, α-trifluoro-o-toluic fluoride
12/15/1981US4305888 Manufacture of salts of dicarboxylic acids and diamines
12/15/1981US4305887 Process for obtaining the enantiomeric forms of 4-cyano-1-[N-methyl-N-(2'-{3",4"-dimethoxyphenyl}-ethyl)-amino]-5-methyl-4-(3',4',5'-trimethoxyphenyl)-hexane and of salts thereof
12/15/1981US4305885 Preparation of cyclopropane-carboxylic acid derivatives and intermediates therefor
12/15/1981US4305881 Process for 1α,3β-dihydroxy-Δ5 -steroids
12/15/1981US4305879 Process for producing a 2-tertiary-alkyl substituted anthraquinones
12/15/1981US4305867 Novel organotin compounds
12/15/1981US4305842 Copper, zinc and aluminum oxides precipitation
12/15/1981CA1114402A1 Production of 1,2-dichloroethane
12/15/1981CA1114401A1 Selective oxoamination process
12/15/1981CA1114399A1 Process for preparing acrylonitrile
12/15/1981CA1114398A1 N-(phenylcycloalkyl) acetamide derivatives, and their production and use
12/15/1981CA1114397A1 Preparation of formic acid by hydrolysis of methyl formate
12/15/1981CA1114183A1 Method of stabilizing a peroxide-containing composition
12/10/1981WO1981003491A1 Therapeutically useful tetralin derivatives
12/10/1981WO1981003490A1 Biologically-active tricyclic amines,methods for their preparation and pharmaceutical compositions containing same
12/10/1981WO1981003489A1 Process for separating medicinal ingredient from corbicula by extraction and composition containing same
12/10/1981EP0034172A4 Mixed salt of valproic acid.
12/09/1981EP0041492A1 New substituted 3-phenoxy-1-alkoxycarbonyl-alkylamino-propanol-2-s having beta receptor blocking properties
12/09/1981EP0041491A1 New para-substituted 3-phenoxy-1-alkylamino-propanol-2-s having beta receptor blocking properties
12/09/1981EP0041488A1 Therapeutically useful tetralin derivatives
12/09/1981EP0041476A2 Aryl-phenyl-acetylene compounds
12/09/1981EP0041441A1 Process for the meta-hydroxylation of alkyl phenols and their ethers in super acids
12/09/1981EP0041440A1 Isomerisation of ortho- and para-homophenols or their ethers to the corresponding metabromophenols or ethers
12/09/1981EP0041330A1 Ethylene oxychlorination catalyst
12/09/1981EP0041293A1 Biologically-active tricyclic amines, methods for their preparation and pharmaceutical compositions containing same
12/09/1981EP0041286A1 LH-RH antagonists
12/09/1981EP0041235A2 Alpha,beta-dihydropolyprenyl derivatives for treating liver diseases
12/09/1981EP0041204A1 Process for the continuous production of fatty-acid monoglycerides
12/09/1981EP0041171A1 2-Chloro-5-nitro-phenyl isocyanate, process for its preparation and its use
12/09/1981EP0041170A1 3-Nitro-pivaloyl-acetanilides, processes for their preparation and their utilization
12/09/1981EP0041145A2 Aralkyl-phenyl ureas and their herbicidal compositions
12/09/1981EP0041134A2 Process for the separation of water-soluble salts of aromatic sulphonic acids from sulphonated mixtures
12/09/1981EP0041131A2 Preparation of fluoro-substituted benzodioxoles and benzodioxanes
12/09/1981EP0041109A1 Process for the preparation of acetic acid from secondary butyl acetate
12/08/1981US4304949 Synthesis of ortho-methyldiphenylmethane
12/08/1981US4304946 Process for producing ethanol
12/08/1981US4304941 Method of preparing poly-substituted acylbenzenes
12/08/1981US4304940 Preparation of 2-alkyl- and 2-aryl-thiomethylphenols
12/08/1981US4304939 Reductive alkylation of nitro-, nitroso-, or aminodiphenylamine with ketone
12/08/1981US4304938 M-phenoxybenzaldehyde oxime, chlorinating benzaldehyde, 2-/m-phenoxyphenyl/-1,3-dioxolane
12/08/1981US4304937 Aldehyde, amine, oxygen, platinum or palladium
12/08/1981US4304936 Herbicidal 3-(trifluro-methyl-halophenoxy)-α-phenoxyalkanecarboxylic acid amides
12/08/1981US4304932 Process for producing novel carboalkylated surface active agents and product
12/08/1981US4304931 Biphenylhydroxypropionic acid derivatives
12/08/1981US4304928 2-Alkoxyacrylate process
12/08/1981US4304926 Phenacyl-type esters of PGE-types compounds
12/08/1981US4304925 Esterifying in the presence of an organometallic catalyst
12/08/1981US4304922 Redox systems comprising a urea, an alcohol, carbon monoxide, oxygen, a reducible metal salt, and a catalytic group 8 metal salt
12/08/1981US4304911 Antihistamines, antiallergens, anticholinergic agents, antiinflammatory agents, bronchodilator agents, and analgesics
12/08/1981US4304793 Polyunsaturated aliphatic esters as flavoring ingredients
12/08/1981US4304788 Hydroxyalkanoic acid derivatives
12/08/1981US4304785 Dilignols and dilignol-type compounds
12/08/1981US4304783 Thienyl, thienyloxy or furyl substituted prostaglandin derivatives in the 6-keto-PGE1 series
12/08/1981US4304780 Aminoalkylthiophene derivatives as histamine H2 -antagonists
12/08/1981US4304733 Insecticide intermediates
12/08/1981US4304730 4-(2-Oxo-3-bornylidene methyl) benzene sulfonic acid and salts thereof
12/08/1981US4304686 Ion exchanging with gallium
12/08/1981CA1113968A1 Process for the preparation of an aromatic hydrocarbon mixture
12/08/1981CA1113964A1 Process for the preparation of tris(5-amino-3-thia pentyl) amine
12/08/1981CA1113963A1 Process for preparing aniline compounds
12/08/1981CA1113962A1 Metaphenylenediamines and tinctorial compositions containing the same
12/08/1981CA1113961A1 Process and apparatus for the removal of ammonium carbamate from a urea-synthesis solution
12/08/1981CA1113957A1 Process for the synthesis of terephthalic acid
12/08/1981CA1113936A1 Catalytic oxidation of 3,3-dimethyl 2-hydroxybutyric acid to 2-oxo acid
12/08/1981CA1113880A1 Removal of non-paraffinic hydrocarbons from paraffinic hydrocarbons
12/08/1981CA1113680A1 Basic magnesium complexes and their use in the manufacture of detergent-dispersant additives for lubricating oils
12/02/1981EP0041043A1 Process for the preparation of derivatives of alkenyl benzene or alkenyl naphthalene
12/02/1981EP0041021A2 Cyclopropane carboxylic acid derivatives, their preparation, their use against parasites in plants and animals, their compositions and their intermediates
12/02/1981EP0040991A1 Preparation of insecticidal mixture of stereoisomers of alpha-cyano-3-phenoxybenzyl isovalerates
12/02/1981EP0040985A2 Process for the recovery of pure acetone from cumene hydroperoxide cleavage reaction product
12/02/1981EP0040950A2 Process for regenerating antimony containing oxide catalyst
12/02/1981EP0040932A1 Amide derivatives, process for their manufacture and pharmaceutical or veterinary compositions containing them
12/02/1981EP0040915A1 Arylethanolamine derivatives, their preparation and use in pharmaceutical compositions
12/02/1981EP0040900A1 Shape selective reactions involving zeolite catalyst modified with indium or thallium
12/02/1981EP0040898A1 2-Nitro-5-(substituted-phenoxy) benzoate esters of alpha-hydroxyalkanoates and methods of using same as herbicides
12/02/1981EP0040891A1 Process and catalyst for performing hydroformylation reactions
12/02/1981EP0040859A1 N'-phenyl-N-methylurea derivatives, their production and use
12/02/1981EP0040830A1 Method for the preparation of (E)-4-bromo-2-methylbut-2-en-1-al
12/02/1981EP0040776A1 Process for conjugating polyunsaturated fatty acids or fatty acid mixtures
12/02/1981EP0040762A1 Process for the preparation of N-di-n-propyl-2,6-dinitro-4-trifluoromethylaniline with low content of nitrosamines
12/02/1981EP0040744A1 Aminopropiophenone oximes, processes for preparing them and their use as fungicides
12/02/1981EP0040742A1 3-(Chloro-3,3,4,4,4-pentafluoro-1-butenyl)-2,2-dimethylcyclopropanecarboxylic acid esters, process for their preparation and their use in insecticides
12/02/1981EP0040740A2 Aminopropanol derivatives, process for their preparation and their use as fungicides
12/02/1981EP0040724A1 Process for the continuous preparation of acetic-acid esters
12/02/1981EP0040723A1 Process for a distillative separation of liquid mixtures containing aliphatic alcohols
12/02/1981EP0040715A2 Process for the production of acetaldehyde and methanol from the reaction mixture of methanol homologation
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