Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
07/2002
07/31/2002CN1361719A Molybdenum-bismuth-iron containing metal oxide catalyst for fluidized layer, method for preparation thereof, and use thereof
07/31/2002CN1360971A Oxide catalyst for oxidizing or ammonia oxidizing reaction
07/31/2002CN1088403C Method of producing hydrogenation catalyst
07/31/2002CN1088398C Ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane by ammoxidation
07/25/2002WO2002057199A1 Process for a homogeneously catalyzed c-c coupling reaction
07/25/2002DE10161318A1 Oxide catalysts, for gas phase catalytic oxidation or ammoxidation of propane or isobutane, are useful for production of (meth)acrylonitrile and (meth)acrylic acid
07/24/2002EP1107943A4 Process for making 2-amino-5-cyanophenol
07/24/2002CN1360516A Sparger for oxygen injection into fluid bed reactor
07/18/2002WO2002054934A2 Method for sterilizing cyanoacrylate compositions
07/18/2002US20020095042 Process for brominating the side chain of 4-methylbiphenyl derivatives substituted in the 2' position
07/17/2002EP1223164A1 Method for producing acrylonitrile, catalyst for use therein and the method for preparing the same
07/17/2002EP1223163A1 Method for producing acrylonitrile, catalyst for use therein and the method for preparing the same
07/17/2002EP1223162A1 Method for producing acrylonitrile, catalyst for use therein and the method for preparing the same
07/17/2002EP1107941B1 Improved method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine
07/17/2002CN1359372A Chemical processes
07/17/2002CN1359369A Process for hydrogenating dinitriles in aminonitriles
07/17/2002CN1087734C Improved process for producing acrylonitrile or methacrylonitrile from propane or isobutane
07/16/2002US6420611 Composition comprising polymeric phosphite
07/16/2002US6420593 Comprises reacting iminodiacetonitrile with aldehydes and hydrogen cyanide or alkali metal cyanides; useful as biodegradable complexing agents for alkali metal and heavy metal ions
07/16/2002US6420590 Continuous processes and apparatus for forming cyanoacetate and cyanoacrylate
07/16/2002US6420307 Germanium, sodium, iron, bismuth, molybdenum, praseodymium, tungsten and optionally other metal oxides; higher reaction pressure, load condition and yield
07/11/2002WO2002053528A1 Method for the regioselective preparation of substituted benzo[g]quinoline-3-carbonitriles and benzo[g]quinazolines
07/11/2002WO2002053527A1 Method for making nitrile compounds from ethylenically unsaturated compounds
07/11/2002WO2002053518A2 HALOGENATED-α,β-UNSATURATED-β-(SUBSTITUTED-AMINO) CARBOXYLATE ESTERS
07/11/2002WO2002026750A3 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation
07/11/2002WO2002026705A3 Highly enantiomerically pure lactam-substituted propanoic acid derivatives and their preparation
07/11/2002WO2001073332A3 Pipe joint assembly and method for using same
07/11/2002US20020091273 Method for the regioselective preparation of substituted benzo[g]quinoline3-carbonitriles and benzo[g]quinazolines
07/11/2002CA2431679A1 Method for the regioselective preparation of substituted benzo[g]quinoline-3-carbonitriles and benzo[g]quinazolines
07/10/2002EP1220835A1 Process for the production of acrylonitrile using direct contact spray heat exchange in the absorber
07/10/2002EP1220834A1 Method for the production of cyanoacetic acid esters
07/10/2002EP1220833A1 Process and intermediates for making 4-cyanosubstituted cyclohexanoic acids
07/09/2002US6417385 Gas phase freed from unconverted hydrogen cyanide and acetone by purifier operated with high boiling solvent; separating volatile constituents by distillation; cyanation
07/09/2002US6417375 Furylphosphines and organometallic complexes containing them
07/09/2002CA2038913C Adiabatic process for the preparation of glycinonitrile
07/04/2002WO2002051798A1 PROCESS FOR PRODUCING β-KETONITRILE COMPOUND
07/04/2002WO2002051792A1 Method for the production of 1,5-naphthalenediamine
07/04/2002WO2002034710A3 Novel intermediates for use in retinoid synthesis
07/04/2002WO2002016031A3 Catalyst for ammoxidation and method for producing nitrile compound using the catalyst
07/04/2002US20020087024 Reacting carbonyl compounds and hydrocyanic acid, the first step is carried out without pressure at a temperature that is below boiling point of the reaction mixture
07/04/2002US20020087023 Process and apparatus for isolating organic substances from a gas mixture in which these substances are present
07/04/2002US20020087017 Locates chirality closer to the metal center than known metal phospholane complexes; provide high enantiomeric excesses of formed compounds
07/04/2002US20020087005 Process for the preparation of non-steroidal glucocorticoid receptor modulators
07/04/2002US20020086996 N-cyanomethyl amides which are cysteine protease inhibitors; treating osteoporosis; mixtures with bisphosphonates
07/04/2002US20020086902 Process for the preparation of N-(substituted phenyl)-3-alkyl-,aryl- and heteroarylsulfonyl-2-hydroxy-2-alkyl-and haloalkylpropanamide compounds
07/04/2002DE10064423A1 Verfahren zur Herstellung substituierter organischer Verbindungen und Verwendung von Katalysatoren für Substitutionsreaktionen Process for preparing substituted organic compounds, and use of catalysts for substitution reactions
07/03/2002EP1219597A1 Process for production of ether amine
07/03/2002CN1356335A Phosphite derivative, its preparing process, and catalyst precarsor containing phosphite
07/03/2002CN1356319A Process for preparing non-steroid glucocorticoid receptor regulator
07/02/2002US6414177 Reacting the corresponding unsaturated cyclopentenone compound with hydrogen cyanide
07/02/2002US6413485 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
06/2002
06/27/2002WO2002049992A2 Process for preparing fluorinated organic compounds
06/27/2002WO2000073261A9 Ammoxidation of a mixture of ketones to acetonitrile and hydrogen cyanide
06/26/2002EP1216252A1 Hydroformylation using multidentate phosphite ligands
06/26/2002CN1355786A Substituted arylmalonic acid dinitriles as intermediates for preparation of herbicides
06/26/2002CN1355785A Compounds from epoxidised nitriles, process for their production and use as cleaning agents
06/26/2002CN1086691C Process for preparing malononitrile
06/25/2002CA2248446C Fluorination with aminosulfur trifluorides
06/20/2002WO2002048161A1 P-chirale bisphospholane ligands, their transition metal complexes
06/20/2002WO2002048160A1 Sterically hindered phosphine ligands and uses thereof
06/20/2002WO2002048094A1 tROCESS FOR MAKING 5-CYANOVALERIC ACID, ADIPIC ACID OR DIMETHYL ADIDPATE
06/20/2002WO2002048073A1 Method for producing compounds having a cf2o bridge
06/20/2002WO2002048072A2 Organic reactions with co generating materials
06/20/2002CA2428778A1 P-chirale bisphospholane ligands, their transition metal complexes
06/19/2002EP1214975A2 Supported bis(phosphorus) ligands and use thereof in hydrocyanation processes
06/19/2002EP1214290A1 Multidentate phosphite ligands and catalytic compositions containing them
06/19/2002EP1214289A1 Multidentate phosphite ligands and catalytic compositions containing same
06/19/2002EP1214282A2 Hydroformylation process utilizing multidentate phosphite ligands
06/19/2002CN1354169A Ammoxidation reaction in reaction zone
06/19/2002CN1086375C Preparation of aromatic aldehydes
06/19/2002CN1086312C Process for preparation of ammoxidation catalysts
06/18/2002US6407280 Promoted multi-metal oxide catalyst
06/18/2002US6407267 Method for the preparation of citalopram
06/18/2002US6407253 Method for preparing 4-methyl-biphenyl derivatives
06/18/2002US6407031 Vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
06/13/2002WO2002046293A2 Nitrile process
06/13/2002WO2002046143A1 Method for the carbonylation of pentenoic acid and derivatives thereof
06/13/2002WO2002030854A3 Hydrocyanation method for ethylenically unsaturated organic compounds
06/13/2002WO2002008161A3 Polymerization inhibitor for vinyl-containing materials
06/13/2002US20020072629 Zn and/or Ga promoted multi-metal oxide catalyst
06/13/2002US20020072626 Methods for producing 3-cyano- and 4-cyano-benzoic acid derivative compounds
06/13/2002DE10060313A1 Verfahren zur Carbonylierung von Pentensäure und deren Derivate A process for the carbonylation of pentenoic acid and derivatives thereof
06/13/2002CA2436874A1 Method for the carbonylation of pentenoic acid and derivatives thereof
06/12/2002EP1212294A1 Process for the conversion of aldehydes into nitriles using ammonia and hydrogen peroxide
06/12/2002EP1212293A1 Insoluble lewis acid promoters for nickel-catalysed hydrocyanation of monoolefins
06/12/2002EP1212291A1 Cyclopropane carboxylic acid amides, the production and the use thereof
06/12/2002EP0993463A4 Alkene borates and a process for covalently coupling organic compounds
06/12/2002CN1353107A Refined alpha-cyanobenzaldoxine and its preparing process
06/12/2002CN1086152C Production of acrylonitrile catalyst by ammoxidation of olefins
06/11/2002US6403818 Process for producing α-hydroxy-carbonyl compound
06/11/2002US6403525 Useful for the vapor phase oxidation of an alkane or a mixture of an alkane and and alkene to unsaturated carboxylic acid vapor phase and for ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile
06/06/2002WO2002044135A1 Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile
06/06/2002WO2002002464A3 Chemical extraction process
06/06/2002DE10059716A1 Verfahren zur Reduzierung des Gehalts an einem ungesättigten Amin in einer Mischung enthaltend ein Amin und ein Nitril A process for reducing the content of an unsaturated amine in a mixture comprising an amine and a nitrile
06/05/2002EP1210323A1 Treatment of nitriles with glycolic acid
06/05/2002EP1210322A1 Method for carrying out the side chain bromination of 4-methyl biphenyl derivatives substituted at the 2'-position
06/05/2002EP0852569B1 Method for preparing ammoxidation catalysts
06/05/2002EP0829010B1 Method to monitor and control processes with on-line quartz crystal microbalance sensors
06/05/2002CN1352648A Method for preparing water soluble sulphonated organophosphorous compounds
06/05/2002CN1351989A Fluidized bed catalyst for preparing benzonitrile
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