Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
01/1994
01/11/1994CA1326025C 2-(2-hydroxy-3-phenoxypropylamino)ethylphenoxyacetamides and processes and intermediates for their preparation
01/06/1994WO1994000423A1 Cross-coupling process of boric acids with halogenated compounds
01/05/1994EP0576976A1 Process for the preparation of 5-cyanovaleric amide
01/05/1994CN1080284A Improved process and catalyst for propylene ammoxidation to acrylonitrile
01/04/1994CA1325808C Fungicidal azolyl-derivatives
12/1993
12/29/1993CN1079958A Deshydrocyanation of dinitriles aliphatiques
12/28/1993US5274171 Process for the palladium catalyzed coupling of a diazonium salt with an olefinic bond
12/28/1993US5274165 Reacting with a sulfurylchloride or chlorine gas in a liquid phase with an inert strong acid catalyst
12/23/1993DE4220082A1 Linear poly:cyclic cpds. prodn. from boronic acid and halogen cpds. - by cross-coupling in aq. solvent in presence of catalyst and water-soluble borate, esp. prodn. of liquid crystal cpds. with fluoro-phenoxy gp.
12/22/1993EP0574839A2 Process for the preparation of difluormethylethers and esters
12/21/1993CA1325430C Di-t-butylphenyl alkyl and benzyl ethers
12/16/1993DE4218199A1 Substd. zircona-aza-alkene(s) used for prodn. of di:amino-polyene(s) etc. - are prepd. by reaction of butadiene-zirconocene with alkyl-substd. or aryl-substd. nitrile(s) or di:nitrile(s)
12/15/1993EP0573713A1 Catalyst composition and process for oxidation or ammoxidation of olefines
12/15/1993CN1079462A New derivatives of 7-ethynyl alpha-(methoxymethylene) 1-naphthalene acetic acid, their preparation process and their use as pesticides
12/14/1993CA1325210C Phenolethanolamines, their use as pharmaceuticals and as growth enhancers for animals and processes for their preparation
12/09/1993WO1993024263A1 Highly reactive zerovalent metals from metalcyanides adapted for preparation of organometallic compounds
12/08/1993EP0573361A1 Process for the preparation of esters of 2,2-dimethyl-3-((Z)-2-(alkoxycarbonyl)ethenyl)cyclopropanecarboxylic acid and intermediates
12/08/1993EP0573184A1 t-Butyl (R)-(-)-4-Cyano-3-hydroxybutyrate and process for its preparation
12/08/1993EP0572422A1 Activated propenes as colour couplers and method for the production thereof
12/07/1993US5268499 Reacting bis(2-cyanoethyl)ether with ammonia
12/07/1993US5268498 Reacting bisulfite adduct of a carbonyl compound with an amine
12/07/1993US5268497 Reacting a hydrocarbon feedstock with ammonia
12/07/1993CA1325013C Cyclopropanecarboxylate esters related to pyrethric acid; process for preparing the same and their use for the control of parasites
12/07/1993CA1324874C Process for the preparation and the isolation of aromatic nitriles
12/01/1993EP0571770A1 Method for producing an asymmetric biaryl derivative
11/1993
11/25/1993WO1993023366A1 Method for purification of acetonitrile
11/24/1993EP0571298A1 Process for the dehydrocyanation of aliphatic dinitriles
11/23/1993US5264611 Reacting an arylmethyl ketone with alkyl acetal of alkyl glyoxylate in presence of acid catalyst with heating
11/23/1993US5264608 Process for the production of nitriles from alkenes
11/23/1993CA1324613C Promoter synergism in pentenenitrile hydrocyanation
11/18/1993EP0569539A1 Inhibiting popcorn polymer formation with sulfur-containing compounds
11/18/1993EP0569502A1 Inhibiting popcorn polymer formation with alkyl halides.
11/18/1993EP0569501A1 Inhibiting popcorn polymer formation with esters of inorganic acids.
11/18/1993EP0569359A1 Inhibiting popcorn polymer formation with compounds incorporating group iv elements.
11/18/1993EP0402399B1 Control of product selectivity in the addition of hcn to arabinose
11/17/1993CN1022753C Salted split-phase refining process for acetonitrle
11/16/1993US5262547 Vapor phase reaction of a hydrocarbon with oxygen
11/16/1993US5262539 Process for the preparation of aromatic amines
11/16/1993US5262130 Oxidation catlyst made up of metal particle support and metal oxides catalyst
11/10/1993EP0569139A2 Alkyl substituted nitrotoluene derivatives
11/10/1993EP0568621A1 Process for the production of cyanoacetic acid
11/10/1993CN1078232A Process for producing halogenophennoxyfatty acid derivatives by selective halogenation and halogenophenoxyfatty acid derivatives
11/09/1993CA2042584C .alpha., .beta.-unsaturated nitrile manufacturing apparatus
11/09/1993CA1324142C Quinolinyl ether or thioether tetrazoles as agents for the treatment of hypersensitive ailments
11/09/1993CA1324135C Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof
11/02/1993US5258543 Vanadium, antimony catalyst
11/02/1993US5258404 3-(Unsubstituted or substituted benzyl)-1-alkyl-2-oxocyclopentane carboxylic acid alkyl ester derivatives, method for preparation fungicides, and use thereof as intermediate compounds
10/1993
10/28/1993WO1993018005A3 Processes for producing 2-halo-nicotinic acid derivatives and precursors thereto
10/27/1993EP0566785A1 Method for deagglomerating and re-exposing catalyst in a fluid bed reactor
10/26/1993US5256810 Controlling temperature
10/20/1993EP0566534A1 Derivatives of benzophenone
10/20/1993EP0566468A2 Process for the preparation of a biphenyl derivative
10/20/1993EP0566455A1 Derivatives of 7-ethynyle alpha-(methoxymethylene)1-naphthalenacetic acid, their process of preparation and their use as pesticides
10/20/1993EP0566268A1 Process for the preparation of 3- or 5-fluoroaromatic compounds
10/20/1993CN1077449A A selected herbcide of 2-benzoyl cyclohexandion salt, aprocess of preparation and use in herbcide thereof
10/20/1993CN1077399A Method for deagglomerating and re-exposing catalyst in a fluid bed reactor
10/20/1993CN1022490C Liquid crystal mixture
10/19/1993US5254714 Enantioselective
10/19/1993US5254711 Continuous preparation of 3-cyano-3,5,5-trimethylcyclohexanone
10/19/1993CA1323463C Polymeric or polymerisable aromatic-aliphatic ketones suitable for use as polymerisation photoinitiators
10/17/1993CA2094010A1 Benzophenone derivatives
10/13/1993EP0564984A2 Process for the preparation of O-iminooxymethylbenzoic acid
10/06/1993EP0564110A1 Method of making catalyst containing vanadium, antimony and tin
10/06/1993EP0564030A1 Method for the preparation of 2-(2-cyanoethyl)-cyclopentanones
10/06/1993EP0563859A2 Process for producing 1,4-dicyano-2-butene and catalyst therefor
10/06/1993EP0563817A2 Salts of 2-benzoyl-cyclohexane diones, selective herbicidal agents, process for their preparation and their use for combatting weeds
10/06/1993EP0563170A1 Process for activation or regeneration of nickel catalyst
10/06/1993EP0563033A1 Process for preparing 3-trifluoromethyl benzyl chloride.
10/05/1993US5250721 Method for stabilization of crude acetonitrile as oxidation or ammoxidation feed
10/05/1993CA2093069A1 Preparation of o-iminooxymethylbenzoic acid
10/02/1993CA2092277A1 Process for producing 1,4-dicyano-2-butene and catalyst therefor
10/01/1993CA2093105A1 Salts of 2-benzoylcyclohexanediones, selective herbicidal agents, process for their preparation, and their use for controlling weeds
09/1993
09/29/1993EP0308438B1 Liquid crystal phase containing tolanes
09/28/1993US5248695 Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in animal feeds
09/22/1993EP0561637A2 A catalyst for asymmetric induction
09/22/1993CN1076439A New compounds
09/21/1993US5247120 Catalytic ammoniation of acrylonitrile
09/21/1993US5247091 Imination of aniline with cyclohexanone derivative
09/19/1993CA2087472A1 A catalyst for asymmetric induction
09/16/1993WO1993018005A2 Processes for producing 2-halo-nicotinic acid derivatives and precursors thereto
09/15/1993EP0560532A1 Preparation of cis-olefins
09/15/1993CN1076189A Process for preparing cyanoethyl alkyl aryl tertiary amine
09/15/1993CN1076188A The process for preparing methyl t-amine by reacting hexamethenamine ith amine or nitrile
09/14/1993US5245093 Olefin polymerization
09/08/1993EP0559168A2 Method of producing straight-chain acrylonitrile dimers
09/08/1993EP0558824A1 Method for the preparation of vicinal aminoalcohols and optically active O-protected derivatives thereof
09/08/1993EP0558799A2 Catalyst and process for the production of 3-cyano-3,5,5-trialkylcyclohexanone
09/08/1993CN1075954A Catalyst and process for the production of 3-cyano-3,5,5-trialkylcyclohexanone
09/08/1993CN1075953A Oxidization of ammonia of group which consists of saturated hydrocarbon
09/06/1993CA2080646A1 Catalyst and process for the prodution of 3-cyano-3, 5, 5-trialkylcyclohexanone
09/02/1993WO1993016985A1 Cyano-oxime ethers, process for producing them, agents containing them and their use
09/02/1993WO1993016984A1 Purification of 6-aminocapronitrile
09/02/1993DE4206353A1 Cyanooximether, verfahren zu ihrer herstellung, sie enthaltende mittel und deren verwendung Cyanooximether, processes for their preparation, containing them and their use
09/02/1993CA2129847A1 Cyanooxime ethers, their preparation, agents containing them and their use
09/01/1993EP0558424A1 Process for the ammoxydation of saturated hydrocarbons
09/01/1993EP0558332A1 Process for the preparation of 3-cyano-3,5,5- trimethylcyclohexanone
09/01/1993EP0557949A2 Process for the preparation of 2,4,5 trifluorobenzonitrile
08/1993
08/31/1993CA1321795C Certain 2-(2-substituted benzoyl)-4-(substituted oxy or substituted thio)-1,3-cyclohexanediones
08/31/1993CA1321785C Control of product selectivity in the addition of hcn to arabinose
08/28/1993CA2090555A1 Process for the preparation of 3-cyano-3,5,5-trimethylcyclohexanone