Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
09/1981
09/01/1981CA1108114A1 Dehydrogenation catalyst
09/01/1981CA1107967A1 Catalytic methanation of synthesis gas
08/1981
08/27/1981EP0020753A4 Skin-equivalent.
08/26/1981EP0034567A2 A method for the total synthesis of cyclosporins and novel cyclosporins
08/26/1981EP0034556A2 Plant-growth regulating compositions containing as active agent 2-methylene-succinamic acid derivatives, and derivatives of this acid useful in these compositions
08/26/1981EP0034462A2 Imidodisulfamide derivatives, their preparation and use in pharmaceutical compositions
08/26/1981EP0034461A1 Aromatic aminoethanol compounds and salts thereof, pharmaceutical compositions comprising them and processes for their production
08/26/1981EP0034457A1 Benzoate derivative, method of preparing the same and use thereof
08/26/1981EP0034444A2 Enhancement of zeolite catalytic activity
08/26/1981EP0034442A2 Process for the preparation of unsaturated aldehydes and unsaturated acids
08/26/1981EP0034437A2 Improved process for preparing 2,2'-azobis(2,4-dimethylpentanenitrile)
08/26/1981EP0034432A2 Sulfamoyl-substituted phenethylamine derivatives, their preparation, and pharmaceutical compositions, containing them
08/26/1981EP0034430A1 Process for preparing arylacetaldehydes
08/26/1981EP0034428A2 A method of resolving optical isomers of 2,2-dimethyl-3-(2,2-dichlorovinyl) cyclopropanecarboxylic acid and a novel salt used in this method
08/26/1981EP0034421A2 N-phenyl-N'-cyano-0-phenylisoureas and process for their preparation
08/26/1981EP0034413A1 Process for the preparation of diphenylether carboxylic acids
08/26/1981EP0034407A1 Process for the manufacture of methane-containing gas from ethanol
08/26/1981EP0034402A2 Method of preparing fluorine-substituted diphenyl ether derivatives and fluorine-substituted halogeno benzene derivatives for use therein
08/26/1981EP0034400A2 Amine separation process
08/26/1981EP0034374A1 Selective homologation of acetals or ethers to monohydric or polyhydric alcohols
08/26/1981EP0034370A1 Process for preparing N-methyl-carbamate of methylthioacetal-doxime
08/26/1981EP0034366A2 Process for the preparation of steroid 20-carbamate compounds
08/26/1981EP0034338A2 Catalyst for the synthesis of alcohol mixtures containing methanol and higher alcohols
08/26/1981EP0034337A2 A process for the optical resolution of a racemic mixture
08/26/1981EP0034323A2 Amino acid and peptide esters of leuco-indo anilines, process for their preparation and agents containing these compounds for the detection of proteolytic enzymes
08/26/1981EP0034292A2 Process for the preparation of anthranilic acid derivatives
08/26/1981EP0034285A2 Process for the preparation of 1-alkyl-1-phenyl hydrazines
08/26/1981EP0034263A2 Substituted benzonitriles and compositions for inhibiting viruses
08/26/1981EP0034257A2 Process for the preparation of 1,4-diamino-2,3-dicyano-anthraquinone
08/26/1981EP0034256A2 4-Phenyl-benzaldehyde-2-sulphonic acids and their preparation
08/26/1981EP0034253A2 4-Tert.-butoxy-phenyl-glycine nitrile, and process for the preparation of D-(-)- and L-(+)-4-hydroxy-phenyl glycine
08/26/1981EP0034240A2 Process for the preparation of alpha-keto-carboxylic-acid-N-tertiary-butyl amides
08/26/1981EP0034205A1 Fungicidal sulphonyl or sulphinyl acetanilides, process for their preparation and pesticidal compositions containing them
08/26/1981EP0034172A1 Mixed salt of valproic acid.
08/25/1981US4286108 Process for preparing hydrazines
08/25/1981US4286105 Amidation
08/25/1981US4286101 Oxidation of p-xylene
08/25/1981US4285969 Insecticides
08/25/1981US4285961 Basic thioethers
08/25/1981US4285943 Novel pharmaceutical compositions incorporating an aryltrifluoroethanol
08/25/1981US4285884 Process for resolution of racemic DL-α-aminocarboxylic acids
08/25/1981US4285883 Process for producing 2-chloro-6-nitrobenzonitrile
08/25/1981US4285878 Anthelmintic agents
08/25/1981US4285875 Process for preparing carboxylic acids by catalytic oxidation of aldehydes
08/25/1981US4285874 1-Isocyanato-anthraquinones
08/25/1981US4285867 Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor
08/25/1981US4285858 Vasopressin analogs
08/25/1981US4285837 Nickel oxide on alumina
08/25/1981US4285811 Purification of formaldehyde by separation
08/25/1981US4285778 Process for the manufacture of halogenated hydrocarbons
08/25/1981US4285777 Process for the purification of benzaldehyde
08/25/1981US4285723 Selective herbicides
08/25/1981CA1107766A1 Process for the manufacture of octafluoropropane
08/25/1981CA1107764A1 High mannitol process (alkaline hydrogenation in presence of alkali metal carbonate)
08/25/1981CA1107763A1 1,3bis-aryl-glycerol ethers
08/25/1981CA1107762A1 Acid oxidation process
08/25/1981CA1107760A1 Hydration of acrylonitrile to acrylamide
08/25/1981CA1107759A1 MANUFACTURE OF .alpha.-HALOALKYLCARBAMYL HALIDES
08/25/1981CA1107758A1 Process for the manufacture of acetic acid
08/25/1981CA1107757A1 Process for manufacturing d,1-b-benzoylamino isobutyric acid
08/25/1981CA1107753A1 Preparation of esters from unsaturated aldehydes and alcohols
08/25/1981CA1107735A1 Pyridin-3-ols
08/25/1981CA1107721A1 Synthesis of steroids
08/20/1981WO1981002295A1 Phenoxyisobutyrates of moroxydin and drugs containing them
08/19/1981EP0034120A1 Derivatives of phenoxy-phenoxy-carboxylic acids
08/19/1981EP0034118A2 Metal mercaptides of esters of beta-mercapto alcanols, their use as stabilisers and organic materials stabilised therewith
08/19/1981EP0034012A2 2-nitro-5-(substituted-phenoxy) phenylalkanone oxime and imine derivatives as herbicides
08/19/1981EP0034010A1 Substituted thiosemicarbazones and use as plant growth regulants
08/19/1981EP0034002A2 Carboxamidine derivatives
08/19/1981EP0033984A1 New sulphonyl compounds, method of preparing the new compounds, as well as aphicidal compositions on the basis of the new compounds
08/19/1981EP0033980A1 Derivatives of 2-methylpropionic acid, process for their preparation and pharmaceutical compositions containing them
08/19/1981EP0033929A1 Process for the continuous manufacture of triacetin
08/19/1981EP0033885A1 Process for the preparation of (2-chloro-4-trifluormethyl-phenyl)-(3-methoxy-phenyl)-ether
08/19/1981EP0033863A1 Process for the production of cis-bicyclo (3.3.0)octane-3,7-dione, and its use
08/19/1981EP0033860A2 Method for the catalytic hydrogenation of organic compounds
08/19/1981EP0033851A1 Process for the separation of adipic acid from mixtures containing glutaric acids and/or succinic acids
08/19/1981EP0033831A2 Substituted naphthoic acids
08/19/1981EP0033829A1 Process for the preparation of 1-nitro-benzene-2 carboxylic acid alkyl ester-5-carboxylic acids
08/19/1981EP0033760A1 A method for the alkoxylation of alkanols
08/18/1981US4284837 Minimizing by-products by contacting with an alkali metal hydroxide
08/18/1981US4284836 Process for the manufacture of reaction products of conjugated diolefins and aromatic hydrocarbons
08/18/1981US4284831 Hydration of an isoolefin in the presence of an acidic cation exchange resin and an oxy acid or lactone
08/18/1981US4284828 Selective chlorination of phenoxyanisole, demethanation
08/18/1981US4284825 Intermediates for perfumes, crop protection agents
08/18/1981US4284823 Process for preparing 3-(3,5-di-tert.alkyl-4-hydroxy-phenyl)-2,2-di-substituted propionaldehydes
08/18/1981US4284822 Process for preparing hexafluoroacetone
08/18/1981US4284821 Dichlorovinylcyclobutanones, processes for preparing them, and their use as intermediates for producing pesticidal compositions
08/18/1981US4284818 Process for preparing hexamethyltetrahydronaphthalenes
08/18/1981US4284817 Process for preparing thiophenols
08/18/1981US4284813 Benzamide derivatives and herbicidal composition containing the same
08/18/1981US4284797 Salt formation, precipitation
08/18/1981US4284796 Hydrolysis of diester
08/18/1981US4284793 Method for producing plasticizers
08/18/1981US4284791 Combating fungi with N-chloroacetyl-N-(2,6-di-substituted phenyl)-alanine esters
08/18/1981US4284790 3-Hydroxybenzyl compounds useful as antioxidants
08/18/1981US4284776 Radiation curable Michael addition amine adducts of amide acrylate compounds
08/18/1981US4284755 Reacting a maleic monoester and a diamine
08/18/1981US4284705 Photosensitive diazo salt compositions and lithographic plate comprising same
08/18/1981US4284646 Prostanoic acid derivatives and their preparation
08/18/1981US4284645 3-Chlorostyryl-2,2-dimethyl-cyclopropanecarboxylic acid 4-fluoro-3-phenoxy-α-cyano-benzyl esters and their use as ectoparasiticides