Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
09/1997
09/02/1997US5663410 Cis-4-(2,2,3,3-tetrafluoropropoxy)-cinnamonitrile and trans-4-(2,2,3,3-tetrafluoropropoxy)-cinnamonitrile and a process for their preparation
09/02/1997US5663392 Dissolving soluble compounds of vanadium, antimony and titanium in an alcohol, contacting alcoholic solution with water to precipitate mixed oxide and separating mixed oxide
09/02/1997US5663369 Hydrocyanation process and multidentate phosphite and nickel catalyst composition therefor
09/02/1997US5663113 Ammoxidation catalyst composition
09/02/1997CA1339424C Process for the production of nitriles and oxides
08/1997
08/28/1997WO1997030970A1 Method for producing unsymmetrically substituted biphenyls
08/28/1997CA2246354A1 Method for producing unsymmetrically substituted biphenyls
08/27/1997EP0790980A1 2-cyanoacrylic acid esters
08/27/1997CN1158118A Process for preparing aromatic aldehydes
08/26/1997US5661183 Prevention or treatment of neurodegeneration
08/21/1997WO1997029743A1 Il-8 receptor antagonists
08/21/1997CA2245927A1 Il-8 receptor antagonists
08/20/1997EP0790234A1 Process for the preparation of aromatic nitriles
08/20/1997EP0789540A1 Analyte-controlled liquid delivery device and analyte monitor
08/14/1997WO1997029082A1 Process for producing optically active cyanohydrins
08/14/1997WO1997029080A1 Racemisation of quaternary chiral centers
08/14/1997DE19703314A1 Preparation of (S)-cyanohydrin compounds
08/14/1997CA2244364A1 Resolution of 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexanoic acid
08/14/1997CA2242572A1 Racemisation of quaternary chiral centers
08/13/1997CN1156721A Process for manufacturing nitriles
08/12/1997CA2089983C Process for ammoxidizing saturated hydrocarbons
08/05/1997US5654465 Process for the production of cyanocinnamamides
08/05/1997CA1339221C Polyhydroxybenzoic acid derivatives
07/1997
07/30/1997EP0786452A1 Process for producing alpha-(tert-alkyl)cyanoacetic acid ester
07/30/1997CN1155537A Preparation of alpha-3,4,5-trimethylbenzene methylene-beta-methoxypropionitrile
07/30/1997CN1155536A Method for producing nitrile
07/29/1997CA1339139C Preparation of o-substituted hydroxylamines
07/23/1997EP0785186A1 Process for preparing diels-alder addition product from conjugated diolefin and acrylonitrile
07/23/1997EP0785177A2 Process for the oxidation and oxidehydrogenation of hydrocarbons in a turbulent layer
07/23/1997EP0784610A1 Hydrocyanation process and multidentate phosphite and nickel catalyst composition therefor
07/17/1997WO1997025307A1 PROCESS FOR PRODUCING α.β-UNSATURATED NITRILE
07/16/1997CN1154361A Preparation of alkyl cyanoacetates
07/15/1997US5648541 Forming enantiomers from imines by reduction with lithium aluminum hydride
07/15/1997US5648386 Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in pharmaceutical compositions and animal feeds
07/10/1997WO1997024318A1 Method for synthesis of an aromatic derivative substituted by a halogen atom other than fluorine and by a cyano group
07/08/1997US5646304 Subjecting oxygen-containing gas to temperature swing adsorption; catalytic oxidation
07/03/1997WO1997023446A1 Improved process for hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
07/03/1997WO1997023287A1 Method for preparing ammoxidation catalysts for a fluidised-bed or moving-bed reactor
07/02/1997EP0781757A1 Process for the preparation of fluorinated benzoic acids
07/01/1997US5643495 1,2,2,2-tetrafluoroethyl ethers, and liquid-crystalline medium
06/1997
06/19/1997WO1997021659A1 Basic catalysts for the aldol reaction
06/18/1997EP0778832A1 Process for producing quaternary glycine nitriles
06/17/1997US5639921 Method of producing difluoromethyl ethers and esters and ethers and esters produced thereby
06/12/1997WO1997020810A1 Process for the preparation of 1-aryl-1-cyanocyclobutane derivatives
06/12/1997CA2235043A1 Chemical process
06/11/1997EP0777639A1 Process for preparing aromatic aldehydes
06/11/1997CN1151745A Bidentate phosphine ligand
06/10/1997US5637767 Method of making (S)-3-(aminomethyl)-5-methylhexanoic acid
06/10/1997US5637752 Method for preparing cyanoacetic acid higher ester
06/10/1997US5637751 Process for producing 1,4-dicyano-2-butene and catalyst therefor
06/10/1997US5637750 Method for the preparation of 2 hydroxybenzonitrile
06/10/1997US5637748 Process for synthesizing fluorinated nitrile compounds
06/10/1997US5637546 Calcining vanadium and molybdenum
06/04/1997EP0603225B1 PROCESS FOR PRODUCING alpha-CHLOR-METHYLEN-TRIORGANYLPHOSPHORANE DERIVATES
06/04/1997CN1151163A Preparation of triarylborane
06/03/1997CA2088808C Ammoxydation process for saturated hydrocarbons
05/1997
05/28/1997EP0775691A1 Process for the preparation of nitriles
05/28/1997EP0775688A1 Method for producing addition reaction product of amines and alpha, beta-unsaturated compounds
05/28/1997EP0775519A1 Vanadium-containing catalyst, process for the production thereof, and use thereof
05/28/1997DE19543862A1 Hexa:methylene di:isocyanate preparation from technical raw material
05/28/1997CN1035002C Process for preparation of cyclopentene cyclopentane and cyclohexane derivatives
05/27/1997US5633400 Process for the preparation of biphenyl derivatives
05/27/1997US5633257 Phosphodiesterase inhibitor
05/21/1997EP0774452A1 Optically active compounds having plural chiral centers and the production thereof
05/21/1997CN1150146A Ammoxidation of alkanes and alkenes
05/21/1997CN1150135A Method and apparatus for direct oxygen injection with reactant stream into fluidized bed reactor
05/20/1997US5631403 Process for the preparation of hydroxycarboxanilides
05/20/1997US5631253 Fungicidal propenoic acid derivatives
05/14/1997EP0773210A1 Process for the preparation of fluorinated aromatic compounds
05/14/1997CN1034863C improved process for propylene ammoxidation to acrylonitrile
05/13/1997US5629451 Reduction of nitrile contaminants by selective hydrogenation
05/13/1997US5629444 Acrylonitrile recovery process
05/13/1997US5629443 Highly purified acetonitrile and process for purifying crude acetonitrile
05/13/1997US5629442 Reaction of nitrile with alkyl nitrite to form oxime substituted phenylacetonitrile
05/13/1997US5629441 Amination
05/13/1997US5629356 Photocurable composition containing ethylenically unsaturated photopolymerizable compound and the aminoacetophenone
05/12/1997CA2189945A1 Process for preparing fluorinated aromatics
05/09/1997WO1997016414A1 Preparation of aryl and vinyl nitriles
05/07/1997EP0771787A1 Process for the preparation of 2-chloroacrylonitrile
05/07/1997EP0771786A1 Preparation of aryl and vinyl nitriles
05/07/1997CN1149287A Process for the preparation of unsaturated amino compounds
05/02/1997EP0770597A1 Process for the preparation of cyanoacetic alkylesters
05/02/1997EP0770051A1 Aromatic ether acylation process
05/02/1997EP0770050A1 Aromatic ether acylation process
04/1997
04/24/1997DE19607135C1 Prodn. of asymmetric cyano-bi:phenyl cpds.
04/23/1997CN1148041A Method for condensation reaction for hydrocyanic acid and aldehyde
04/16/1997EP0768300A1 Acrylonitrile solutions of maleimides, method for preparation thereof, and acrylonitrile based copolymers obtained by use of the solutions
04/15/1997US5621147 Liquid crystal intermediates
04/15/1997US5621134 Method for producing 4'-bromomethyl-2-cyanobiphenyl
04/10/1997WO1997012857A1 Ethylenically unsaturated organic compound hydrocyanation method
04/10/1997WO1997012839A1 Method for preparing ammoxidation catalysts
04/10/1997CA2231027A1 Ethylenically unsaturated organic compound hydrocyanation method
04/09/1997EP0767165A1 Process for the preparation of aromatic or heteroaromatic nitriles
04/09/1997EP0767164A1 Method for producing a nitrile
04/09/1997EP0766686A1 Preparation of triarylborane
04/09/1997EP0675871B1 Ammonolysis of nylon
04/09/1997EP0625137B1 Method of separating racemates of verapamil
04/09/1997CN1146988A Paraffin ammoxidation using vanadium antimony oxide based catalysts with halide promoters
04/08/1997US5618983 Contacting linear olefin compound, hydrogen, water and carbon monoxide in presence of platinum, palladium compounds complexed with bidentate diaryl phosphine ligands, and an organo-metallic promoter to form linear aldehyde
04/08/1997US5618975 Process for the preparation of biphenyl derivatives
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