Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 253 - Preparation of carboxylic acid nitriles
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
11/2003
11/06/2003US20030208085 Oxidation catalysts on supports used for oxidation or ammoxidation of hydrocarbons to unsaturated carboxylic acids or nitriles; catalyst selectivity
11/06/2003US20030208068 Base-promoted isomerization of 3-unsubstituted-4-arylisoxa-zoles, followed by acidification of the enolates provides the title compound; coupling; efficiency; chemical intermediates for corticotropin releasing factor (CRF) receptors
11/05/2003EP1358932A1 Supported mixed metal oxide catalyst
11/05/2003CN1454206A 2-enamino-cetonitriles substitues par phenyle
11/05/2003CN1126735C Synthetic process and use of 2-cyano-4-niro-6-bromophenyl amine
11/05/2003CN1126596C Catalyst for oxidizing reaction of ammonia and method for prepn of same
11/04/2003US6642405 Fluidized bed reaction using molybdenum, bismuth, iron, nickel, chromium, potassium, and silicon oxide composite
11/04/2003US6642174 Admixing compounds of molybdenum, vanadium, and a metal compound of tellurium or antimony) and one or more other metal compounds to form a gel, aging the gel and calcining to form mixed metal oxide (an oxidation) catalyst
11/04/2003US6642173 Contacting mixed metal oxide with liquid selected from organic acids, alcohols, inorganic acids and hydrogen peroxide; recovering insoluble material; calcining insoluble material; mixing with promoter in solvent; removing solvent; calcining
11/04/2003CA2070577C Process for the .alpha.-chlorination of phenylacetonitriles
10/2003
10/30/2003WO2003089407A1 Method for producing unsaturated nitriles
10/30/2003WO2003045552A3 Polymeric phosphorus-containing compositions and their use in hydrocyanation, unsaturated nitrile isomerization and hydroformylation reactions
10/30/2003US20030204111 Ir and/or Sm promoted multi-metal oxide catalyst
10/30/2003US20030204109 Purified by at least partially removing contaminating sulfite values therefrom by decreasing the pH of a solution of such sulfonated organophosphorus compounds to a value of less than or equal to 4
10/29/2003EP1165499B1 Improved process for the recovery of acrylonitrile and methacrylonitrile
10/29/2003CN1452611A 13-substd. methacycline compounds
10/29/2003CN1451649A Method for producing malononitrile
10/29/2003CN1125680C Molybdenum-bismuth-iron containing metal oxide catalyst for fluidized lager, method for preparation thereof and use thereof
10/23/2003WO2003087167A2 Cross-metathesis of olefins directly substituted with an electron-withdrawing group using transition metal carbene catalysts
10/23/2003WO2003087041A1 Continuous process for the manufacture of 3-hydroxy propionitrile
10/23/2003WO2003087032A1 Analogous compounds of strobilurines and their use as acaricides and insecticides
10/23/2003US20030199706 Process for the cyanation of aldehydes
10/23/2003US20030198586 From hydrocarbons using catalyst
10/23/2003DE19983836C1 Verfahren zur Herstellung von Citalopram, 4-[1-(4- Fluorphenyl)-methanoyl]-benzonitril-Derivate und Verfahren zu deren Herstellung und deren Verwendung A process for the preparation of citalopram, 4- [1- (4-fluorophenyl) -methanoyl] -benzonitrile derivatives and process for their preparation and their use
10/22/2003EP1354887A1 Ligands for metals and improved metal-catalyzed processes based thereon
10/22/2003EP1353901A1 Fragrance compounds
10/22/2003EP1140745B1 Colchinol derivatives as vascular damaging agents
10/22/2003EP1032566B9 Method for the preparation of citalopram
10/22/2003EP0976702B1 Method for inhibiting polymerization of a vinyl compound
10/22/2003CN1450934A Improved catalyst for the manufacture of acrylonitrile
10/22/2003CN1125043C Process for preparing meta-cyanobenzoic acid
10/22/2003CN1125042C Method for preparing 3-cyano-2,4-dihalogen-5-flour-benzoic acid
10/21/2003US6635781 By hydrogen in ammonia and aprotic solvent medium in the presence of rhuthenium deposited on a basic support of carbon black, called acetylene black, resulting from the pyrolysis of paraffin oils
10/21/2003US6635780 Chemical processes
10/21/2003CA2003480C Fungicides
10/16/2003WO2003042148A3 Process for producing bisbenzil compounds
10/16/2003WO2003031393A3 Carbonyloxy-cyanomethyl compounds as antiparasitic agents
10/16/2003WO2002100849A3 Novel nitriles useful as reversible inhibitors of cysteine proteases
10/16/2003US20030195372 Contacting an ethylenically unsaturated olefin compound with HCN (hydrogen cyanide) in the presence of a catalyst comprising a Group VIII metal and a phosphonite ligand
10/16/2003US20030195371 Contacting an ethylenically unsaturated olefin compound with HCN (hydrogen cyanide) in the presence of a catalyst comprising a Group VIII metal and a phosphonite ligand
10/15/2003EP1352898A1 Process for producing beta-ketonitrile compound
10/15/2003EP1352687A1 Preparation of new layered double hydroxides exchanged with diisopropylamide for c-c bond forming reaction
10/15/2003CN1448386A Recovery method and polymerization system of non-reaction monomer in polymerization of acrylic monomer
10/15/2003CN1124256C Process for preparation of malononitrile
10/14/2003US6632962 Caspase inhibitors and uses thereof
10/14/2003CA2151808C Ammonolysis of nylon
10/09/2003WO2003082810A1 Method of purifying isophthalonitrile
10/09/2003US20030191336 Zn and/or Ga promoted multi-metal oxide catalyst
10/09/2003US20030191014 Preparation of new layered double hydroxides exchanged with diisopropylamide for C-C bond forming reactions
10/08/2003EP1350788A2 Process for preparing hexamethylenediamine from butadiene
10/08/2003CN1446798A Ethylglycinate phthalic nitrile as well as its synthetic method and application
10/08/2003CN1446797A Method for synthesizing amido substituted phthalic mitrile
10/08/2003CN1446796A Process for preparing 2-phenil-3-naphthyl metacetonic acid derivative
10/08/2003CN1123385C Fluidized-bed catalyst for preparing isophthalonitrile
10/07/2003US6630600 Intermediate for their manufacture, pharmaceutical preparations containing them and the use of the compounds in clinical conditions associated with insulin resistance.
10/02/2003WO2003080565A1 Process for the manufacture of substituted phenylacetonitriles
10/02/2003US20030187297 Methods for producing unsaturated carboxylic acids and unsaturated nitriles
10/02/2003US20030187249 Main-group metal-based asymmetric catalysts and applications thereof
10/01/2003EP1150945B1 Arsenic promoted vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation
10/01/2003EP1098869B1 Improved method for simultaneous production of 6-aminocapronitrile and hexamethylenediamine
10/01/2003EP1084102B1 New 3-aryl propionic acid derivatives and analogs
10/01/2003CN1446196A Acylacetonitriles, process for preparation thereof and miticides containing the same
10/01/2003CN1122660C Propionic acid derivative and preparing method thereof
10/01/2003CN1122570C Method for making hydrocyanation catalyst
09/2003
09/30/2003US6627766 Use of phenylenediamines and hindered phenols to inhibit polymer formation during the manufacture of acrylonitrile
09/30/2003US6627047 Method for preventing polymerization in thin-film type evaporating device
09/30/2003US6627046 From nylon carpet; distillation of hexamethylenediamine,adiponitrile, aminocapronitrile, and caprolactam monomers and reaction products
09/25/2003WO2003078385A1 Process for making 5-formylvaleronitrile using reactivated catalyst
09/25/2003WO2003005010A3 Method for producing optically active cyanohydrins
09/25/2003US20030181688 Coupling of nucleophiles, vinyl compounds or CO with water, alcohols or amines to organic compounds
09/24/2003EP1345972A2 Method for sterilizing cyanoacrylate compositions
09/24/2003EP1345889A1 Method for the regioselective preparation of substituted benzo g]quinoline-3-carbonitriles and benzo g]quinazolines
09/24/2003EP1345888A1 Method for the production of 1,5-naphthalenediamine
09/24/2003EP1137484B1 Raney cobalt catalyst and a process for hydrogenating organic compounds using said catalyst
09/24/2003CN1444560A Amelioration of ammonia breakthrough in alkane ammoxidation process
09/24/2003CN1443755A Method for preparing p-fluorobenzonitrile by p-chlorobenzonitrile fluoro
09/24/2003CN1443754A Method for producing o-chlorobenzonitrile
09/24/2003CN1443753A Method for preparing 2,6-difluorobenzonitrile by using 2,6-dichlorobenzonitrile fluoro
09/24/2003CN1443752A Fluidized bed catalyst for preparing o-chlorobenzonitrile
09/24/2003CN1443734A Process for producing organic compound using nitrite
09/23/2003US6624323 Process and intermediates for making 4-cyanosubstituted cyclohexanoic acids
09/23/2003US6624111 Halogen promoted multi-metal oxide catalyst
09/23/2003CA2257346C Method for filtering a three-phased reaction mixture
09/18/2003WO2003076406A1 Nitrosodiphenylamine derivatives and their pharmaceutical use against oxidative stress pathologies
09/18/2003WO2003076394A1 Phosphonite ligands and their use in hydrocyanation
09/18/2003WO2003076382A1 Method for the measurement of the pressure in a gas phase from rectification and/or absorption columns comprising (meth)acrylic acid the esters and/or nitriles thereof
09/18/2003US20030176735 Catalyzing the dehydrogenation, follow by cyanomethylation, hydrolysis; as intermediate materials for making N-(phosphonomethyl)glycine agricultural chemical
09/18/2003US20030176734 Halogen promoted multi-metal oxide catalyst
09/18/2003US20030176720 Process for making 5-formylvaleronitrile using reactivated catalyst
09/18/2003CA2478652A1 Nitrosodiphenylamine derivatives and their pharmaceutical use against oxidative stress pathologies
09/17/2003EP1344774A1 Synthesizing methods of dicyanomethylidene compound and heterocyclic compound
09/17/2003EP1344770A1 Process for the hydrocyanation of butadiene
09/17/2003EP1135208B1 Raney iron catalyst and a process for hydrogenating organic compounds using said catalyst
09/17/2003EP0997454B1 Method for gas phase catalytic oxidation of hydrocarbon
09/17/2003CN1443157A Process for purification and recovery of acetonitrile
09/17/2003CN1443137A Chemical process
09/17/2003CN1442404A Method of preparing p-cyanophenol like compound
09/17/2003CN1121382C Improved acrylonitrile recovery process
09/16/2003US6620960 Process for the preparation of substituted phenylacetonitriles
09/12/2003WO2003074448A2 Process for making organic products from non-product streams using a catalyst
1 ... 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 ... 144