Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
07/1996
07/17/1996EP0721448A1 Chiral nitriles, their preparation and their use for the manufacture of verapamil and analogues
07/17/1996EP0721441A1 Halogenation reactions
07/16/1996US5536865 Process for the preparation of 5,6-dihydroxyindole and intermediate compounds
07/16/1996US5536833 Process for the preparation of intermediates useful in the preparation of pyranyl cyanoguanidine derivatives
07/11/1996WO1996020916A1 PROCESS FOR PREPARING ALIPHATIC α,φ-AMINONITRILES IN THE GASEOUS PHASE
07/10/1996EP0720512A1 CATALYST BASED ON Fe, Co, Bi AND Mo OXIDES
07/09/1996US5534650 Method for producing a nitrile
07/09/1996US5534629 α-aminoacetophenones as photoinitiators
07/04/1996WO1996020168A1 Solventless process for making 2,6-difluorobenzonitrile
07/04/1996WO1996020167A1 PROCESS FOR PREPARING ALIPHATIC α,φ-AMINONITRILES
07/04/1996WO1996020166A1 Process for preparing aliphatic alpha,omega-aminonitriles
07/04/1996WO1996020165A1 Process for preparing aliphatic alpha,omega-aminonitriles
07/04/1996WO1996020043A1 Method of producing a hydrogenation catalyser
07/04/1996DE4446907A1 Verfahren zur Herstellung eines Hydrierkatalysators A process for preparing a hydrogenation catalyst
07/04/1996DE4446895A1 Verfahren zur Herstellung von aliphatischen a,w-Aminonitrilen A process for the preparation of aliphatic a, w-aminonitriles
07/04/1996CA2209141A1 Solventless process for making 2,6-difluorobenzonitrile
07/04/1996CA2208774A1 Process for preparing aliphatic .alpha.,.omega.-aminonitriles
07/03/1996CN1125714A Process for preparing new derivatives of 2,2-dinethyl cyclopropane carboxylic acid
07/02/1996US5532404 Monomer recovery process for contaminated polymers
07/02/1996US5532386 Catalytic carbonic ester and a tertiary amine
06/1996
06/27/1996WO1996019439A1 Process for producing pentene-nitriles
06/27/1996DE4446337A1 Prodn. of 3-cyano-benzaldehyde cpds.
06/27/1996CA2208254A1 Process for producing pentene-nitriles
06/26/1996EP0718279A1 Process for the preparation of o-substituted benzoylcyanides
06/26/1996EP0717729A1 Cis-dihydroxycyclohexadienes and their preparation
06/25/1996US5530156 Intermediates for fungicides
06/25/1996US5530022 Insecticides
06/25/1996CA1338420C Substituted .beta.-diketones
06/20/1996WO1996018603A1 Method for partially hydrogenating dinitriles to aminonitriles
06/19/1996EP0717021A1 Method for working up a surfactant-containing reaction mixture
06/18/1996US5527946 Partial hydrogenation of aliphatic alpha, omega-dinitriles at elevated temperature and pressure in presence of solvent and cobalt-containing catalyst
06/18/1996US5527824 Substituted Di-T-Butlyphenols useful for inhibiting leukotriene synthesis
06/12/1996EP0715890A1 Electrochemical preparation process of transition metal and phosphine containing catalysts
06/05/1996EP0714887A1 Process for the manufacture of methyl cyanoacrylate
06/05/1996EP0714697A1 Ammoxidation catalyst composition
06/04/1996US5523477 Reacting 1,1-cyclopropanedimethanol with dialkyl sulfite in presence of acid or base to form cyclic sulfite, removing alcohol reaction by-product
06/04/1996US5523453 Process for hydrocyanation
05/1996
05/30/1996WO1996016025A1 Catalyzed gas phase isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
05/30/1996WO1996016024A1 A synthetic method of cyanoacrylate
05/30/1996WO1996016023A1 Process for preparing halogenated methyl benzoyl cyanides
05/30/1996WO1996016022A1 Catalyzed vapor phase hydrocyanation of diolefinic compounds
05/29/1996EP0713862A2 Herbicidal substance based on 2,6-dichloro-3-fluoro-benzonitrile and new intermediate compounds
05/29/1996EP0713724A1 Ammoxidation catalyst composition and process for producing acrylonitrile or methacrylonitrile by using the same
05/28/1996US5521151 Tetralinic nitriles, their use as perfuming ingredients and aldehyde intermediates for their preparation
05/23/1996WO1996015102A2 2-cyanoacrylic acid esters
05/23/1996CA2204430A1 2-cyanoacrylic acid esters
05/22/1996EP0712835A2 Process for the preparation of alpha-ketocarbonic acid esters
05/22/1996EP0712833A2 Process for the preparation of 2-phenoxymethylbenzoic acids
05/22/1996CN1123025A Method for the selective hydrogenation of a dinitrile compound
05/22/1996CN1122799A The preparation of stilbene-based optical brighteners
05/22/1996CN1122798A Process for reduction of waste material during manufacture of acrylonitrile
05/22/1996CN1031823C Production of hydrocarbon derivatives
05/17/1996WO1996014292A1 Process for the purification of a non-enolisable ester with a metallic reagent selected from a metal, a metal oxide or a metal hydride
05/17/1996WO1996014026A1 Analyte-controlled liquid delivery device and analyte monitor
05/17/1996CA2204370A1 Analyte-controlled liquid delivery device and analyte monitor
05/15/1996EP0711752A2 Cis-4-(2,2,3,3-tetrafluoropropoxy)cinnamic acid nitrile and trans-4-(2,2,3,3-tetrafluoro)cinnamic acid nitrile and process for their preparation
05/15/1996EP0711327A1 Aqueous dispersions containing cyclopolymer dispersants
05/15/1996EP0711270A1 Cyclopolymerisation monomers and polymers
05/14/1996US5516928 Reaction of isophorone and hydrogen cyanide using quaternary ammonium catalyst
05/09/1996CA2162344A1 Cis-4-(2,2,3,3-tetrafluoropropoxy) cinnamonitrile and trans-4(2,2,3,3-tetrafluoropropoxy) cinnamonitrile and a process for their preparation
05/08/1996EP0710645A1 Perfluoro unsaturated nitrile compound and process for producing the same
05/08/1996EP0710151A1 Method of improving oxidation and ammoxidation catalysts
05/07/1996US5514830 From oxime
05/01/1996EP0709369A1 Method for producing 4'-bromomethyl-2-cyanobiphenyl
04/1996
04/30/1996US5512697 Catalytic partial hydrogenation of dinitrile in presenceof a base
04/30/1996US5512696 Hydrocyanation process and multidentate phosphite and nickel catalyst composition therefor
04/30/1996US5512695 Bidentate phosphite and nickel catalyst compositions for hydrocyanation of monoolefins
04/30/1996CA1338289C Insecticidal n'-substituted-n-alkylcarbonyl- n'-acylhydrazines
04/24/1996CN1121344A New compounds
04/24/1996CN1121321A Ammoxidation catalyst composition and process for producing acrylonitrile or methacrylonitrile by using the same
04/24/1996CN1120973A Process for the preparation of ammoxidation catalysts
04/24/1996CN1031640C Process for producing nitriles
04/23/1996US5510528 Preparation of halomethylbenzoly cyanides and novel halomethylbenzoyl cyanides
04/18/1996WO1996011182A1 Hydrocyanation process and multidentate phosphite and nickel catalyst composition therefor
04/18/1996DE4436385A1 Olefinically unsatd. cpds. prodn. by catalytic oxidn.-oxidative dehydrogenation
04/17/1996EP0673363A4 Process for forming alpha-aminonitriles.
04/17/1996CN1120535A Method for synthesizing 5-|1-hydroxy-2-(isopropylamino)ethyl¨ aminobenzonitrile
04/16/1996US5508465 Preparation of aliphatic alpha, omega-aminonitriles in the gas phase
04/16/1996US5508464 Nitrating of a 4,5-dibenzyloxyphenylacetonitrile, followed by debenzylation, hydrogenation and cyclization
04/16/1996US5508436 N-phenylacetamino nitriles intermediates and process for making pyrroline-2-
04/16/1996US5507973 Highly reactive zerovalent metals from metal cyanides
04/10/1996EP0569502B1 Inhibiting popcorn polymer formation with alkyl halides
04/03/1996EP0704429A1 2-(Aryliminomethyl)-3-(disubstituted amino)acrylonitriles, a process for their preparation and their use
04/03/1996EP0703892A1 Process for producing an omega-functionalized aliphatic carboxylic acid and intermediate products of said process
04/03/1996EP0703891A1 Process for producing an omega-functionalized aliphatic carboxylic acid
04/02/1996US5504252 Synthesis of cyanoacrylate esters by oxidation of aromatic selenyl cyanopropionates
03/1996
03/27/1996EP0703215A1 Aromatic compounds
03/27/1996EP0703210A1 Process for producing 2,6-di-tert-alkylcyclohexanol
03/26/1996US5502235 Solventless process for making 2,6 difluorobenzonitrile
03/26/1996US5502234 From cyclopropanecarboxaldehyde and hydroxylamine
03/14/1996WO1996007650A1 Process for producing quaternary glycine nitriles
03/13/1996CN1118343A Stilbene-based materials, their preparation and use
03/12/1996USRE35177 N-fluoropyridinium salt and process for preparing same
03/12/1996US5498746 Process for the preparation of 5,6-dihydroxyindole and intermediate compounds
03/12/1996US5498745 Antiallergen intermediates, inhibitors of leukotrienes, lipoxygenase inhibitors
03/12/1996US5498588 Catalyst for ammoxidation of propane to acrylonitrile
03/07/1996DE4431212A1 Verfahren zur Herstellung von quaternierten Glycinnitrilen A process for preparing quaternized glycine nitriles
03/06/1996EP0699476A2 Supported catalysts suitable for ammoxidation
03/06/1996EP0699182A1 Cyclopropylacetonitrile derivatives, preparation thereof and use thereof as drugs
03/06/1996EP0590096B1 Process for preparing optically active cyanohydrins with enzymes