Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
02/2002
02/14/2002US20020019567 Forming monosodium tartaric acid salts from racemic mixture of 2,3-dimethylbutyronitrile; acidification
02/14/2002US20020019565 Process for making iminodiacetic acid compounds from monoethanolamine substrates
02/14/2002US20020019556 Chemical intermediates for insecticides, miticides
02/14/2002US20020019374 Salicylohydrazide derivatives, processes and intermediates for their preparation, compositions comprising them, and their use
02/14/2002DE10038369A1 Production of 3-alkoxyacrylonitriles useful as pharmaceutical and cosmetic intermediates comprises alcohol elimination from 3,3-dialkoxypropionitriles using an aromatic sulfonic acid catalyst in a high-boiling solvent
02/14/2002DE10038086A1 Verfahren zur Herstellung von hydrolysestabilen Ammoniumnitrilen A process for preparing hydrolysis-stable ammonium nitriles
02/14/2002DE10037774A1 Verfahren und Vorrichtung zur Gewinnung organischer Substanzen aus einem diese Substanzen enthaltenden Gasgemisch Process and apparatus for recovery of organic substances from a gas mixture containing these substances
02/14/2002CA2413749A1 Process for making 3-hydroxyalkanenitriles and hydroxyaminoalkanes
02/13/2002EP1179526A2 Cyanoethylation of cycloaliphatic vicinal primary diamines
02/13/2002EP1179359A2 Process and apparatus for removing organic substances from a gas mixture
02/13/2002EP1178958A2 N-cyanomethyl amides as protease inhibitors
02/13/2002CN1079094C Process for producing high-purity malononitrile
02/13/2002CN1079093C Tail gas recovering process from the second decyanation tower of acertonitrile equipment
02/12/2002US6346649 Forming monosodium tartaric acid salts from racemic mixture of 2,3-dimethylbutyronitrile; acidification
02/12/2002US6346640 Method for producing cyanovaleric acid or esters thereof
02/07/2002WO2002010432A2 Triphosphate oligonucleotide modification reagents and uses thereof
02/07/2002WO2002010178A1 Adamantyl groups containing phosphane ligands, the production and use thereof in catalytical reactions
02/07/2002WO2002010103A1 PROCESS FOR SYNTHESIS OF α,β-UNSATURATED KETONES
02/07/2002WO2002010095A2 Process for the cyanation of aldehydes
02/07/2002US20020016512 Coupling aryl or heteroaryl chloride and aryl or heteroaryl boronic acid with polar aprotic solvent in presence of base and hetergeneous palladium catalyst
02/07/2002US20020016497 Purified sulfonated organophosphorus compounds and catalysis of organic reactions therewith
02/07/2002US20020016490 Granulation prevents decomposition of the azo compound which may otherwise lead to enhanced and spontaneously accelerated decomposition of the product, giving rise to release of toxic/inflammable gas; useful as polymerization initiators
02/07/2002US20020016489 Alkene borates and a process for covalently coupling organic compounds
02/07/2002US20020016374 Contacting a gaseous reactant and a liquid selected from the group consists of reactants, coolants and mixtures in presence of fluidized bed of catalyst, liquid and gaseous reactant are introduce into reactor through different inlets
02/07/2002US20020016361 Beta-amino acid nitrile derivatives as cathepsin K inhibitors
02/07/2002DE10037961A1 Neue Phosphanliganden, deren Herstellung und ihre Verwendung in katalytischen Reaktionen New phosphine ligands, their preparation and their use in catalytic reactions
02/07/2002CA2418116A1 Process for the cyanation of aldehydes
02/06/2002EP1178031A1 Process for the preparation of organic compounds with manganese catalysts or the like
02/06/2002CN1334799A Alpha-substitution of unprotected beta-amino ester compounds
02/06/2002CN1334754A Method for making hydrocyanation catalyst
02/05/2002US6344580 Process for the preparation of 2,2-dimethyl-5-(4-chlorobenzyl) cyclopentanone and an intermediate useful therefore
02/05/2002US6344569 Process for producing 6-cyanomethyl-1,3-dioxane-4-acetic acid derivatives
01/2002
01/31/2002WO2002008161A2 Polymerization inhibitor for vinyl-containing materials
01/31/2002US20020013503 Catalytic hydroformylation
01/31/2002US20020013489 Process for the preparation of 2,2-dimethyl-5-(4-chlorobenzyl) cyclopentanone and an intermediate useful therefore
01/30/2002CN1333745A Hydrocyanation method for ethylenically unsaturated organic compounds
01/30/2002CN1078496C Galvano-chemistry prep. method of catalyst on basis of transition metal and phosphine
01/29/2002US6342647 Inhibitors of polymerization of vinyl compounds
01/24/2002WO2002006212A2 Process for the purification and recovery of acetonitrile
01/24/2002WO2002006208A1 Process for making fatty acid nitriles and fatty amines by cross-metathesis of normal alpha olefins
01/24/2002WO2002005955A1 Method for producing addition products of ethylenic unsaturated compounds by means of catalysts containing bisphospholyl metallocenes
01/24/2002US20020010371 Catalytic hydrogenation
01/24/2002US20020010220 Partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide by a cyclical process including contacting an oxygen ion conducting ceramic with air; oxygen from the air reacts with the ceramic
01/24/2002DE10033982A1 Verfahren zur Herstellung von Additionsprodukten ethylenisch ungesättigter Verbindungen Process for the preparation of addition products of ethylenically unsaturated compounds
01/23/2002EP1174419A1 A method for producing an alpha-aminonitrile from a tertiary amine and a cyanide through oxidation with oxygen by using a transition metal catalyst
01/23/2002EP0968177B1 Method for producing aromatic nitriles
01/23/2002EP0888291B1 New process for preparing pesticidal intermediates
01/23/2002CN1078203C Perfluoro unsaturated nitrile compound and process for producing the same
01/22/2002US6340767 Reaction of lithium amide with acetic acid ester and hydroxy propionic acid
01/17/2002WO2002004405A2 13-substituted methacycline compounds
01/17/2002WO2001021567A3 Hydroformylation process utilizing multidentate phosphite ligands
01/17/2002US20020007081 Process for producing aliphatic tricarbonitriles
01/17/2002US20020006368 Solid catalyst for vapor phase oxidation
01/17/2002DE10032881A1 Verfahren zur Herstellung von 1,3,6-Hexantricarbonitril A process for preparing 1,3,6-Hexantricarbonitril
01/17/2002CA2415172A1 13-substituted methacycline compounds
01/16/2002EP1171421A1 Process for the preparation of cyclopropylacetonitrile
01/16/2002EP1171420A2 Method of producing acetone-cyanhydrin
01/16/2002EP1171406A1 Method of producing biaryls
01/16/2002EP0996606B1 Catalysed fluorination of carbonyl compounds
01/16/2002EP0912508B1 Process for preparing caprolactam from 6-aminocapronitrile
01/16/2002CN1331685A Method for preph. of citalopram
01/16/2002CN1331673A Semihydrogenation method for dinitriles
01/16/2002CN1077883C Catalyzed gas phase isomerization of nonconjugated 2-alkyl-3-monoalkeneitriles
01/15/2002US6339169 Producing a nitrile compound in a reactor by ammoxidation of a feed comprising hydrocarbon, water vapor, ammonia, and oxygen; transporting the hot gaseous effluent through a reverse jet scrubber wherein the hot gaseous effluent is cooled
01/15/2002US6339159 Optically active α-aminonitrile and process for producing α-amino acid
01/15/2002US6339157 Synthesis of carboxamides from the catalyzed reaction of aldehydes and amines
01/15/2002CA2184020C Method and apparatus for direct oxygen injection with a reactant stream into a fluidized bed reactor
01/10/2002WO2002002464A2 Chemical extraction process
01/10/2002US20020004027 Increasing the yield of HCN and acetonitrile co-products during the ammoxidation of propylene to acrylonitrile, without affecting the yield of acrylonitrile, by adding ketones to reacton mixture
01/09/2002EP1170282A1 Process for the preparation of hexane 1,3,6-tricarbonitrile
01/09/2002EP1169314A1 Crystalline base of citalopram
01/09/2002EP1112259A4 Process for the synthesis of n-benzyl-3-(4-fluorophenyl)-1,4-oxazin-2-one
01/08/2002US6337408 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
01/08/2002US6337405 Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives
01/08/2002US6337167 Bis(aminostyryl)benzene compounds and synthetic intermediates thereof, and process for preparing the compounds and intermediates
01/06/2002CA2352120A1 Process for producing aliphatic tricarbonitriles
01/03/2002WO2002000608A2 A process for the preparation of 2,2-dimethyl-5-(4-chlorobenzyl) cyclopentanone and an intermediate useful therefor
01/03/2002US20020001558 Ammonia composition and process therefor and therewith
01/03/2002US20020001555 Minimization of ammonium carbamate formation, and minimization of contamination in downstream processes resulting form the presence of ammonium carbamate
01/02/2002EP1165515A1 Pyridine-2,3-dicarboxylic acid diamides
01/02/2002EP1165499A1 Improved process for the recovery of acrylonitrile and methacrylonitrile
01/02/2002EP1165498A1 Method for hemihydrogenating dinitriles to form aminonitriles
01/02/2002EP1165497A1 Method of preparing granular n-alkyl-ammonium acetonitrile salts
01/02/2002EP1165496A1 Substituted aniline compounds
01/02/2002EP1107948A4 An improved synthesis of 3-hydroxy-4-amino-benzonitrile
01/02/2002EP0964847B1 Method for separating an imine from a mixture containing an amine and an imine
01/02/2002CN1328996A Preparation of 2,4-dibromo-5-fluorobenzonitrile and 2,4-dibromo-5-fluorobenzoic acid by using ammonia oxidation process
01/02/2002CN1328995A Acrylonitrile quenching method
01/02/2002CN1328994A High-purity acetonitrile refining method
01/02/2002CN1328993A Method for removing micro hydrocyanic acid in the course of refining high-purity acetonitrile
01/02/2002CN1328989A Oxidizing reaction device and method
01/02/2002CN1328875A Method for preparing 3,4-dichlorophenylnitrile by using ammonia oxidation process and its special-purpose catalyst
01/02/2002CN1328874A Method for preparing 2,4-dichlorophenylnitrile by using ammonia oxidation process and special-purpose catalyst
01/02/2002CN1328871A Method and device for fluidized bed reaction
01/02/2002CN1077098C Method of simultaneously producing 6-aminocapronitrile and hexamethylenediamine
01/01/2002US6335431 Method for separation of isomers of azo compounds
12/2001
12/27/2001WO2001098261A1 Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine
12/27/2001US20010056190 Immobilized palladium complexes
12/27/2001CA2412928A1 Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine
12/26/2001CN1328541A Azo-type compound granules
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