| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 07/15/1981 | EP0032121A2 Substituted tetrafluorobenzyl alcohols and halides |
| 07/15/1981 | EP0032078A1 Process for the preparation of cyanoacetic acid alkyl esters |
| 07/15/1981 | EP0032012A2 Oxidation and ammoxidation catalysts and their use |
| 07/15/1981 | EP0031915A1 Process for the production of haloalkenes |
| 07/14/1981 | US4278614 Process for the catalytical preparation of acrylonitrile |
| 07/14/1981 | CA1105054A1 Bicyclo (3.1.0) hexyl-substituted carbonylaminophenoxy cardiovascular |
| 07/08/1981 | EP0031693A1 Promoted tin-antimonate catalysts and use thereof |
| 07/08/1981 | EP0031684A2 Solutions of bromoxynil and ioxynil esters |
| 07/08/1981 | EP0031645A2 Process for the production of azo compounds |
| 07/08/1981 | EP0031584A2 2-Substituted-aminopropene- and propanenitrile compounds and antimicrobial and pharmaceutical, anti-inflammatory compositions |
| 07/08/1981 | EP0031416A1 Process for the preparation of substituted benzaldehydes |
| 07/07/1981 | US4277495 Fluorene 9-aminoalkyl-9-carboxylic acids or esters |
| 07/07/1981 | US4277490 Insecticidal 1-(2-naphthyl)-cyclobutane carboxylate |
| 07/07/1981 | US4277418 Method of preparing alkoxymethylene compounds |
| 07/07/1981 | US4277377 Perfume compositions containing dimethyl heptenonitriles |
| 06/30/1981 | US4276306 Insecticides, miticides |
| 06/30/1981 | US4276225 Decarbalkoxylation of carboxylic acid esters |
| 06/30/1981 | US4276136 Radiation curable coating composition comprising an ethylenically unsaturated oligomer and an ethylenically unsaturated copolymerizable ultra-violet absorber |
| 06/24/1981 | EP0030887A2 Imines derived from esters of 3-formyl-cyclopropane-1-carboxylic acids, their preparations, their use in the preparation of corresponding 3-vinyl-substituted esters |
| 06/24/1981 | EP0030860A1 Catalysts for hydroformylation of olefinically unsaturated compounds and process utilising the catalysts |
| 06/24/1981 | EP0030761A1 Anisotropic cyclohexyl ethers |
| 06/23/1981 | CA1103696A1 Herbicidally active, nuclear-substituted phenoxy- phenoxy-alkanecarboxylic acid derivatives and use thereof for controlling grass-like weeds |
| 06/17/1981 | EP0030528A1 Process for the introduction of alkyl, aralkyl or cycloalkyl groups onto a functional group-substituted carbon chain |
| 06/17/1981 | EP0030287A1 1-Aminocyclopropanecarboxylic acid derivatives, methods for their production, their use as plant-growth regulators and compositions containing such derivatives |
| 06/17/1981 | EP0030251A1 Process for the preparation of (phenoxy or benzyl)phenoxypropionic acids and their alkali salts |
| 06/16/1981 | US4273727 (S) α-Cyano-3-phenoxy-benzyl alcohol |
| 06/10/1981 | EP0030215A2 3,3,5-Trichloroglutarimide, process for its preparation and its use in the preparation of 2,3,5,6-tetrachloropyridine |
| 06/10/1981 | EP0030030A1 Derivatives of 2-aminoethanol, processes for their preparation, pharmaceutical compositions containing such compounds and the use the latter |
| 06/09/1981 | US4272408 Stable molybdenum catalysts for high conversion of C3 and C4 olefins to corresponding unsaturated aldehydes and acids |
| 06/03/1981 | EP0029567A1 Preparation of cyanoacetamide and 2,2-dibromo-3-nitrilopropionamide compositions |
| 06/03/1981 | EP0029543A1 Fluorinated benzylic esters of spirocarboxylic acids, process for their preparation and their use in pesticides |
| 06/03/1981 | EP0029515A1 Fluoro-substituted 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid benzyl esters, process for their preparation and their use in pesticides |
| 06/03/1981 | EP0029495A1 Process for the preparation of 3-cyanopropionic acid amide |
| 06/02/1981 | US4271186 Stilbene compounds and insecticidal/acaricidal compositions |
| 06/02/1981 | US4271038 Complex catalyst comprising cobalt carbonyl and a porphyrin promoter ligand |
| 06/02/1981 | CA1102140A1 Catalyst recovery |
| 05/27/1981 | EP0029259A1 A method of preparing tricycloundecane derivatives, these compounds and a perfume composition containing at least one of them |
| 05/27/1981 | EP0029175A1 Process for the obtention of the enantiomeric forms of 4-cyane-1-(N-methyl-N-(2'-((3",4"-dimethoxyphenyl))ethyl-amino)-5-methyl-4-(3',4',5'-trimethoxyphenyl) hexane and its salts |
| 05/26/1981 | US4269667 Feeding a solution of acrylonitrile, water, and impurities into the upper quarter of a column above the sidestream removal point; vacuum distillation |
| 05/26/1981 | CA1101867A1 Phenoxy-alkanecarboxylic acid derivatives, their production, and their use |
| 05/26/1981 | CA1101866A1 Herbicidally active substituted diphenyl ether derivatives, processes for their manufacture and herbicidal compositions containing them, and their use for selective weed control |
| 05/19/1981 | US4268605 Stabilization of organic substrate materials including photographic dye images against the action of light |
| 05/12/1981 | CA1100997A1 Dicyanovinylhydrazonomalononitriles and the herbicidal use thereof |
| 05/12/1981 | CA1100993A1 Process for the production of alkoxy methylene compounds |
| 05/12/1981 | CA1100988A1 Phenoxy-alkane carboxylic acids derivatives |
| 05/12/1981 | CA1100987A1 Herbicidally active carbanilic acid esters |
| 05/06/1981 | EP0028179A1 Process for the preparation of 3-cyano-3,5,5-trimethyl-cyclohexanone |
| 05/06/1981 | EP0027891A1 Ammonium salts, a process for the preparation of amines underlying these, and coating compositions on the basis of manufactured polyurethane or epoxy resin products which contain the ammonium salts |
| 05/05/1981 | US4266069 Processes for the preparation of hydratropic acids and esters |
| 05/05/1981 | US4265906 Bromophenoxycyanobenzyl cyclopropanecarboxylate derivatives |
| 05/05/1981 | CA1100476A1 Supported vanadia catalyst and use thereof for nitrile production |
| 04/29/1981 | EP0027580A1 Cyclohexanones and cyclohexenones, process for their preparation and their use |
| 04/29/1981 | EP0027555A1 Process for the preparation of diphenyl ethers |
| 04/28/1981 | US4264775 Synthesis of β-aminostyrenes |
| 04/28/1981 | US4264769 Process for the preparation of hydroxyphenyl ethers |
| 04/28/1981 | US4264476 By ammoxidation of propylene |
| 04/21/1981 | US4263223 Synthesis of 4,4'-dicyano-polyhalo-diphenoxyalkanes |
| 04/15/1981 | EP0026872A1 Plant growth regulating products containing substituted alkylammonium salts and their use |
| 04/14/1981 | US4262014 Miticides, nematocides |
| 04/14/1981 | US4261921 Cyclic crystallization of stereoisomers from racemic mixture folloed by racemization of mother liquor |
| 04/14/1981 | US4261920 3-Phenoxy-fluoro-benzyl alcohol intermediates |
| 04/14/1981 | US4261652 Liquid crystal compounds and materials and devices containing them |
| 04/14/1981 | US4261651 Liquid crystal compounds |
| 04/08/1981 | EP0026437A1 3-(2,3-dichloro-3,3-difluoro-prop-1-en-1-yl)2,2 dimethyl cyclopropionic acid fluorobenzyl esters, process for their manufacture and their use in pesticides |
| 04/08/1981 | EP0026289A1 Antihypertensive polyhalohydroxyisopropyl phenylalkanoic and phenylalkenoic acids, amides and esters, pharmaceutical compositions therefrom and intermediates thereto |
| 04/07/1981 | US4260633 Insecticides, miticides |
| 04/07/1981 | CA1098915A1 Nitriles and method for their preparation |
| 04/02/1981 | WO1981000853A1 Liquid crystal material with low value of optical anisotropy and method of making it |
| 04/01/1981 | EP0025925A1 Process for the preparation of alpha-cyano-phenoxy benzylic esters |
| 03/31/1981 | CA1098541A1 Process for the resolution of racemic alpha- aminonitriles |
| 03/31/1981 | CA1098540A1 Process for the resolution of racemic alpha- aminonitriles |
| 03/25/1981 | EP0025542A2 (+/-)-(alpha-cyano-3-phenoxy-4-fluoro-benzylic)esters of (+/-)-trans-3-(E,Z-2-chloro-2-(4-chloro-phenyl)-vinyl)-2,2-dimethyl-cyclopropane carboxylic acid, their E and Z isomers, a process for their preparation and their application as ectoparasiticides |
| 03/24/1981 | US4257978 Microbiocides, fungicides, intermediates |
| 03/24/1981 | US4257975 Intermediate for insecticides |
| 03/24/1981 | US4257910 Liquid crystal of diester type exhibiting a smectic phase, with low frequency of dielectric isotropy, and display device utilizing this crystal |
| 03/18/1981 | EP0025345A1 N-cyanoalkyl haloacetamides, preparation thereof, use thereof as herbicide antidotes and compositions comprising same |
| 03/17/1981 | US4256656 Mesomorphous 4-alkoxytetrafluorobenzoic acid esters |
| 03/17/1981 | CA1097681A1 CYANOMETHYL ESTER OF 4-(P-TRIFLUOROMETHYLPHENOXY)-.alpha.- PHENOXYPROPIONIC ACID, PROCESSES FOR ITS MANUFACTURE, HERBICIDAL COMPOSITIONS CONTAINING SAID ESTER AS ACTIVE COMPONENT, AND A METHOD OF CONTROLLING WEEDS THEREWITH |
| 03/17/1981 | CA1097644A1 Process for producing alkylaminobenzophenones |
| 03/11/1981 | EP0024788A1 Purification of acrylonitrile |
| 03/11/1981 | EP0024669A1 Substituted N-benzoylanthranilic acid derivatives and their anhydro derivatives, process for their preparation, their use as herbicides and compositions therefor |
| 03/11/1981 | EP0024588A1 Process for the preparation of substituted cyclopropyl carboxylic acid-(alpha-cyano-3-phenoxy-benzyl) esters |
| 03/10/1981 | US4255447 Acaricidal compounds of cyclopropane carboxylic acid derivatives |
| 03/03/1981 | US4254272 Aromatic diamines and polyurethanes cured thereby |
| 03/03/1981 | US4254262 Process for producing phenoxycarboxylic acid derivative |
| 03/03/1981 | US4254195 Stabilization of organic substrate materials including photographic dye images against the action of light |
| 03/03/1981 | US4254144 Substituted benzonitriles having antiviral activity |
| 02/24/1981 | US4252976 Diene, sulfur source |
| 02/24/1981 | US4252820 Arthropodicidal 2,2-dimethyl-3-(2-perfluoroalkyl-2-perhaloalkyl-vinyl)-cyclopropanecarboxylic acid esters |
| 02/24/1981 | US4252738 Reacting a cyclobutane-1,2-diol with an orthoester, followed by reaction with a halogenosilane or acid halide |
| 02/24/1981 | US4252717 Preparation of 2,2'-azobis(2-methylpropionitrile) |
| 02/17/1981 | US4251543 2-(p-Prenylphenyl)propionic acid |
| 02/17/1981 | CA1095735A1 Herbicidal compositions |
| 02/11/1981 | EP0023730A1 Cyclohexylcyclohexanoates, process for their preparation and liquid-crystal mixture containing them |
| 02/11/1981 | EP0023726A1 2,5-disubstituted-3 substituted methyl-penta-2,4-dienoic acid and derivatives and process for their preparation |
| 02/11/1981 | EP0023598A1 Process for the preparation of 1,1-dichloro alkenes |
| 02/10/1981 | US4250092 Derivatives of N-cyano-azomethines and process for their preparation |
| 02/10/1981 | CA1095533A1 Compositions containing polyamines carrying ether groups |
| 02/10/1981 | CA1095525A1 Cyanomethylphenethanolamines |
| 02/10/1981 | CA1095424A1 Cyclohexene-3-nitriles as perfume |