Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
11/2004
11/18/2004WO2004099113A1 Process for converting a hydrocarbon to an oxygenate or a nitrile
11/18/2004US20040230071 Process for the carbonylation of pentenenitrile
11/18/2004US20040230070 Catalyst for selective oxidation and amoxidation of alkanes and/or alkenes, particularly in processes for obtaining acrylic acid, acrylonitrile and the derivatives thereof
11/18/2004US20040229949 New 3-aryl propionic acid derivatives and analogs
11/17/2004EP1476420A1 Ammoxidation of hydrocarbons and hydrogenated metallo oxynitride catalysts therefor
11/17/2004CN1546463A Method for reducing benzyl alcohol in benzyl cyanide
11/17/2004CN1176064C Method for preparing aminonitrile and diamine
11/16/2004US6818588 NOx treated mixed metal oxide catalyst
11/16/2004CA2236117C Process for producing optically active cyanohydrins
11/11/2004US20040225156 Catalytic hydrogenation of 3-cyano-3,5,5,trimethylcyclohexanone using ammonia and hydrogen; hydrogenation catalyst containing alkali metal oxide with oxides of cobalt , manganese and phosphorous
11/11/2004US20040222078 Recycle of condensed quench overheads in a process for purifying acrylonitrile
11/11/2004DE10323803A1 Verfahren zur Isomerisierung von cis-2-Pentennitril zu trans-3-Pentennitril A process for the isomerization of cis-2-pentenenitrile to trans-3-pentenenitrile
11/10/2004EP1475369A1 Process for producing 3-unsubstituted 5-amino-4-nitrosopyrazole compound, and 2-hydroxyimino-3-oxopropionitrile, 3-hydrazono-2-hydroxyiminopropionitrile compound, and processes for producing these
11/10/2004EP1474405A2 Process for the preparation of 4-hetero-substituted phenylalanine derivatives
11/10/2004EP1474382A1 Method for producing substituted 3-phenylamino-propane-1,2-diols
11/10/2004EP1163051B1 Catalyst comprising a rhodium complex based on a phosphinamidite ligand and its use for hydroformylation
11/10/2004EP1062200B1 Aminonitrile production
11/10/2004CN1545500A Carbonyloxy-cyanomethyl compounds as antiparasitic agents
11/10/2004CN1545499A Improved operation of head fraction column in acrylonitrile production
11/10/2004CN1545498A Synthesis of unsaturated nitriles from lactones
11/10/2004CN1174955C 3-amino-2-benzyl-1-phenyl-propane derivs.
11/10/2004CN1174801C Catalyst for vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation of propane or isobutane
11/04/2004WO2004094364A1 Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile
11/04/2004WO2004094343A1 NOVEL PROCESS FOR STEREOSELECTIVE REDUCTION OF ß-KETOESTERS
11/04/2004US20040220434 Process for converting a hydrocarbon to an oxygenate or a nitrile
11/04/2004US20040220424 Treating epoxide such as methyl 2-chloro-6-cyano-6-[3-(cyclopentyloxy)-4-methoxyphenyl]-1-oxaspiro[2.5]octane-2-carboxylate with dimethyl sulfoxide and alkali metal salt for preparing substituted cyclohexanoic acids such as cis-[4-cyano-4-(3-cyclopentyloxy-4-methoxyphenyl)cyclohexane-1-carboxylic acid
11/04/2004US20040220423 Hemihydrogenation of a dinitrile to corresponding aminonitrile in a liquid medium in the presence of a nickel or Raney nickel catalyst comprising a doping element selected from rhodium or iridium
11/04/2004US20040220055 Benzamidoacetonitriles and their use as antiparastics
11/04/2004CA2522799A1 Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile
11/03/2004EP1473349A2 Organic electroluminescent devices, aminostyrylnaphthalene compounds and synthesis intermediates thereof, and production processes of the same
11/03/2004EP1473286A1 Process for producing biaryl compound
11/03/2004EP1473081A1 Catalyst for the selective oxidation and ammoxidation of alkanes and/or alkenes, particularly in processes for obtaining acrylic acid, acrylonitrile and the derivatives thereof
11/03/2004EP1313698B1 Process for the preparation of substituted phenylacetonitriles
11/03/2004EP1140832A4 Process for preparing arylpiperidine carbinol intermediates and derivatives
11/03/2004CN1173938C Alpha-substitution of unprotected beta-amino ester compounds
11/03/2004CN1173937C (3S,4S) and (3R,4R)-beta-methyl-gamma-hydroxy-alkyl nitrile and its preparation and use
11/03/2004CN1173936C Quick cooling method for allyl nitrile
11/03/2004CN1173935C Hydrocyanation method for ethylenically unsaturated organic compounds
11/02/2004US6812368 Diastereoselective hydrogenation of 1,3-hydroxyketones
11/02/2004US6812362 Amidation; efficiency, higher yields, performed at or near room temperature, energy savings
11/02/2004US6812352 Multidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions
11/02/2004US6812186 Using reaction product of diisopropylamine and metal hydroxide
10/2004
10/28/2004WO2004092114A1 Process for preparing 4-chloro-3-hydroxybutanoic acid ester
10/28/2004WO2004091779A1 Method for producing metal oxide catalyst
10/28/2004WO2004091776A1 Catalyst for acrylonitrile synthesis
10/28/2004WO2004080924A3 Method of producing dinitrile compounds
10/28/2004US20040215027 Locates chirality closer to the metal center than known metal phospholane complexes; provides high enantiomeric excesses
10/28/2004US20040214199 comprising protected hydrazino, oxyamino and carbonyl-based groups biochemical immobilization; solid phase synthesis
10/28/2004CA2522224A1 Process for preparing 4-chloro-3-hydroxybutanoic acid ester
10/27/2004EP1470105A1 Liquid crystal compounds
10/27/2004EP1470103A1 Amidoacetonitrile derivatives
10/27/2004CN1541202A Statilisation of ethylenically-unsaturated compounds with amidoximes
10/27/2004CN1539816A IL-8 receptor antagonist
10/27/2004CN1172906C Cyanoethylation of alicyclic hypodiamine
10/27/2004CN1172905C Process for producing of cyanobenzyamine of derivative
10/26/2004CA2181238C Lewis acid catalyzed ammonolysis of nylon
10/21/2004WO2004089879A1 Process for production of nitrile compounds
10/21/2004WO2004089858A1 Method for the production of at least one partial oxidation and/or ammoxidation product of a hydrocarbon
10/21/2004US20040210086 Methods for producing unsaturated carboxylic acids and unsaturated nitriles
10/21/2004US20040210078 synergistic mixtures with phenols or phenothiazines; (meth)acrylic acid, (meth)acrolein, vinyl aromatics, (meth)acrylic esters, (meth)acrylonitrile, (meth)acrylamide, olefins, or C4 to C8 conjugated dienes; nitrilotris(acetamidoxime) or nitrilotris(propionamidoxime); polymerization inhibition
10/21/2004DE10316039A1 Preparation of at least one partial oxidation and/or ammoxidation product of a hydrocarbon e.g. isobutane involves partially dehydrogenating saturated hydrocarbon under heterogeneous catalysis
10/20/2004EP1467962A2 Continuous method for hydrogenation of nitriles or nitrated compounds to give amines
10/20/2004CN1538954A Protected 3,5-dihydroxy-2, 2-dimethyl-valeronitriles for synthesis of epothilones and derivatives and method for preparaton and use thereof
10/20/2004CN1538876A Novel catalytic formulation and its preparation method
10/20/2004CN1171860C Process for preparing N-phenylamino acetonitrile
10/14/2004WO2004087642A1 Process for recovery of pure acrylonitrile
10/14/2004WO2004087314A1 System suitable for the hydrocyanation of olefinically unsaturated compounds
10/14/2004US20040204603 Catalytic hydrogenation using nickel, cobalt or Raney catalyst; catalyst selectivity
10/14/2004DE10314761A1 Als Katalysator für die Hydrocyanierung von olefinisch ungesättigten Verbindungen geeignetes System As a catalyst for the hydrocyanation of olefinically unsaturated compounds suitable system
10/14/2004CA2520571A1 System suitable for the hydrocyanation of olefinically unsaturated compounds
10/13/2004CN1535955A Method of preparing 2-phenyl-3-naphthyl propionic acid derivative
10/13/2004CN1535954A Method of preparing 2-phenyl-3-naphthyl propionic acid derivative
10/13/2004CN1170815C Improved process for recovery of acrylonitrile and methacrylonitrile
10/07/2004WO2004085383A1 Process for production of 2-cyano-3-hydroxy-n-(4-tri- fluoromethylphenyl)hept-2-en-6-ynamide and process for production of polymorphs thereof
10/07/2004US20040199002 Process for producing(2-nitrophenyl)acetonitrile derivative and intermediate therefor
10/07/2004US20040199001 dehydrogenation of hydrocarbon gases in the presence of heterogeneous halogenation catalysts, to form unsaturated hydrocarbon intermediates, used to form unsaturated carboxylic acids and nitriles
10/07/2004US20040199000 Catalytic dehydrogenation of hydrocarbons, to form unsaturated hydrocarbons, then ammoxidation to nitriles; catalysis
10/07/2004US20040198999 One step, one pot metal triflate catalytic reaction; yield, selectivity
10/07/2004US20040198985 Processes for preparing pesticidal intermediates
10/07/2004DE10311763A1 Verfahren zur Herstellung von 2-Cyan-3-hydroxy-N-(phenyl)but-2-enamiden A process for the preparation of 2-cyano-3-hydroxy-N- (phenyl) but-2-enamides
10/06/2004EP1464638A1 Process for producing erythro-3-amino-2-hydroxybutyric acid derivatives
10/06/2004EP1360005B1 Compound suitable for producing a carbonylation catalyst system derived from a bis-phosphorinane
10/06/2004EP1339672B1 Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile
10/06/2004CN1535179A Latalyst system containing Ni(O) for hydrocyanation
10/06/2004CN1169784C Process for preparing ester from acetic acid and chlorine cyanation in advance
10/06/2004CN1169783C Fluidized bed catalyst for preparing acrylonitrile by ammoxidation
10/06/2004CN1169759C Process for producing substituted aromatic compound
10/05/2004CA2248157C Preparation of nitrobiphenyls
10/05/2004CA2156576C Preparation of 3-aminomethyl-3, 5, 5-trimethylcyclohexylamine
09/2004
09/30/2004WO2004083165A1 Method for producing 2-cyan-3-hydroxy-n-(phenyl)but-2-ene amides
09/30/2004WO2004083164A1 PROCESS FOR PRODUCING ω-CYANOALDEHYDE COMPOUND
09/30/2004WO2004064994A3 Process for the preparation of a nickel/phosphorous ligand catalyst for olefin hydrocyanation
09/30/2004US20040192966 Mixed oxide oxidation catalyst containing molybdenum, vanadium, niobium and silver
09/30/2004US20040188236 quickly vaporizing under vacuum the contaminated acrylonitrile as well as fresh acrylonitrile followed by contacting with hydrophilic agents in an extractive distillation column using plural number of packed sections
09/29/2004EP1254713B1 Molybdenum-bismuth-iron containing metal oxide catalyst for fluidized layer, method for preparation thereof, and use thereof
09/29/2004EP1210323B1 Treatment of nitriles with glycolic acid
09/29/2004EP1171421B1 Process for the preparation of cyclopropylacetonitrile
09/29/2004EP1144367B1 Alpha-substitution of unprotected beta-amino ester compounds
09/29/2004CN1533220A Organic electroluminescent device, amino styryl naphtahalenc compound and its synthetic intermediate, and preparation of above compound and intermediate
09/29/2004CN1532188A Metod and intermediate for preparing 4-cyanocyclo hexane carboxylic acid
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