| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 04/11/2002 | WO2002012175A3 Method for producing hydrolysis-stable ammonium nitriles |
| 04/11/2002 | WO2001096016A8 Catalyst for vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation of propane or isobutane |
| 04/11/2002 | WO2001070665A3 Separation of the products of polyamide ammonolysis |
| 04/11/2002 | US20020042542 Reagent and process which are useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function |
| 04/11/2002 | US20020042534 Method for producing an alpha-aminonitrile from a tertiary anime and a cyanide through oxidation with oxygen by using a transition metal catalyst |
| 04/11/2002 | US20020042508 Highly enantiomerically pure lactam-substituted propanoic acid derivatives and methods of making and using same |
| 04/11/2002 | DE10049265A1 Verfahren zur Trennung von Pentennitril-Isomeren A process for the separation of pentene nitrile isomers |
| 04/11/2002 | DE10049237A1 Beschichtete, körnige N-Alkylammoniumacetonitril-Salze und deren Verwendung als Bleichaktivator Coated, granular N-alkylammoniumacetonitrile salts and their use as bleach activator |
| 04/10/2002 | EP1194224A1 Sparger for oxygen injection into a fluid bed reactor |
| 04/10/2002 | CN1343654A Process for preparing diclazuril as veterinary medicine for coccidiosis |
| 04/09/2002 | US6369257 Hydroformylation of olefins using supported bis(phosphorus) ligands |
| 04/04/2002 | WO2002026750A2 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation |
| 04/04/2002 | WO2002026705A2 Highly enantiomerically pure lactam-substituted propanoic acid derivatives and their preparation |
| 04/04/2002 | WO2002026698A1 Method for separating pentenenitrile isomers |
| 04/04/2002 | WO2002026685A1 Method for stabilising acrylic monomers |
| 04/04/2002 | WO2002010178A8 Adamantyl groups containing phosphane ligands, the production and use thereof in catalytical reactions |
| 04/04/2002 | US20020040166 Obtaining 2-substituted and 2,2- disubstituted acetals of malondialdehyde from ortho formates and substituted vinyl ethers in the presence of an acidic catalyst |
| 04/04/2002 | US20020040163 Reacting acrylonitrile with water in presence of a weak base, heating and cooling; separating aqueous phase; distilling off acrylonitrile, pyrolysis in presence of basic catalyst; isolating 3-hydroxypropionitrile by fractional distillation |
| 04/04/2002 | CA2423564A1 Method for separating pentenenitrile isomers |
| 04/03/2002 | EP1193247A2 Method of purifying isophthalonitrile |
| 04/03/2002 | EP1193244A2 Method for producing xylylenediamine |
| 04/03/2002 | EP1193240A1 Recycle process in the preparation of unsaturated carboxylic acids from alkane |
| 04/03/2002 | EP1193232A1 Alumina composition, method for preparation thereof and use thereof |
| 04/03/2002 | EP1192988A1 Promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192987A1 Promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192986A1 Ir and/or Sm promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192985A1 Multi-metal oxide catalyst prepared using calcination |
| 04/03/2002 | EP1192984A1 Halogen promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192983A1 Promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192982A1 Zn and/or Ga promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1017669B1 Method for producing aliphatic alpha, omega-amino nitriles |
| 04/03/2002 | EP0948482B1 Method for producing trifluoroacetoacetic acid anilides |
| 04/03/2002 | CN1342645A Process for preparing N,N-dicyanoethyl arylamine |
| 04/03/2002 | CN1342629A Preparation method of aromatic fluorine compounds |
| 04/02/2002 | US6365754 Process for producing erythro-3-amino-2-hydroxybutyric acid derivatives |
| 03/28/2002 | WO2002024638A1 Process for the preparation of n-(substituted phenyl)-3-alkyl-, aryl- and heteroarylsulfonyl-2-hydroxy-2-alkyl- and haloalkylpropanamide compounds |
| 03/28/2002 | US20020038054 Reacting xylene in a vapor-solid catalytic manner with ammonia and oxygen-containing gas to ammoxidize and form phthalonitrile; trapping with solvent; adding liquid ammonia without separating the phthalonitrile for hydrogenation |
| 03/28/2002 | US20020038052 Mixing metal compounds, at least one of which is an oxygen containing compound and solvent to form solution; removing solvent from solution to obtain catalyst precursor; calcining in non-oxidizing atmosphere to form catalyst |
| 03/28/2002 | DE10046025A1 Production of adiponitrile by hydrocyanation of butadiene uses a catalyst comprising a Group VIII metal complex having at least one tricyclic bifunctional phosphorus, arsenic or antimony ligand |
| 03/28/2002 | CA2423158A1 Process for the preparation of n-(substituted phenyl)-3-alkyl-, aryl- and heteroarylsulfonyl-2-hydroxy-2-alkyl- and haloalkylpropanamide compounds |
| 03/27/2002 | EP1191018A1 Process for the isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles |
| 03/27/2002 | EP1191015A1 Aminostyrylanthracene compounds, intermediates for the preparation thereof, and processes for the preparation of both |
| 03/27/2002 | EP1189898A1 Process for the synthesis of n-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulphonyl)-2-hydroxy-2-methylpropionamide |
| 03/27/2002 | EP1189876A2 Process for hydrogenating dinitriles in aminonitriles |
| 03/27/2002 | CN1341589A Process for preparing aliphatic trinitrile |
| 03/27/2002 | CN1341471A Method and device for separating organic matter from gas mixture containing organic matter |
| 03/27/2002 | CN1081627C Process for synthesizing benzoic acids |
| 03/27/2002 | CN1081618C 加氢甲酰化方法 Hydroformylation process |
| 03/27/2002 | CN1081482C Fluidized-bed reactor and reaction process using the same |
| 03/26/2002 | US6362380 Preparation of nitrobiphenyls |
| 03/26/2002 | CA2118814C Process for the preparation of .alpha.-chloromethylene-triorganylphosphorane derivatives |
| 03/21/2002 | WO2001083097A3 Metathesis of functionalized allylic olefins |
| 03/21/2002 | US20020035301 Fluorination; efficient extraction |
| 03/21/2002 | US20020035287 Method of purifying isophthalonitrile |
| 03/21/2002 | US20020035277 Using Grignard reagent; antidepressant |
| 03/20/2002 | EP0873306B1 Process for hydrocyanation of diolefins |
| 03/20/2002 | CN1341096A Process for producing of cyanobenzyamine of derivative |
| 03/20/2002 | CN1081084C Ammoxidation catalyst composition |
| 03/19/2002 | US6358483 For delivery of an oxygen feed comprising oxygen or high concentrations of oxygen |
| 03/14/2002 | WO2002005955A8 Method for producing addition products of ethylenic unsaturated compounds by means of catalysts containing bisphospholyl metallocenes |
| 03/14/2002 | WO2002004405A3 13-substituted methacycline compounds |
| 03/14/2002 | US20020032351 Process for the preparation of chiral isofluoroenes |
| 03/14/2002 | DE10143395A1 Almost complete removal from the reaction vessel of the product of a halogen-exchange reaction between a chloro-aromatic compound and a fluorinating agent is effected at 20-250oC |
| 03/13/2002 | EP1185506A1 Substituted arylmalonic acid dinitriles as intermediates for the preparation of herbicides |
| 03/13/2002 | EP0977729B1 3-cyano-2,4,5-trifluoro-benzoyl fluoride and intermediate products for the production thereof |
| 03/12/2002 | US6355833 Hydrocyanation of butadiene to adiponitrile |
| 03/12/2002 | US6355828 Nitrile process |
| 03/12/2002 | US6355827 Process for preparing 2-cyanoindan-1-ones |
| 03/07/2002 | WO2002018325A2 Process for the preparation of substituted phenylacetonitriles |
| 03/07/2002 | WO2002018319A1 Process for making n-aryl-anthranilic acids and their derivatives |
| 03/07/2002 | WO2001079148A3 Method of making benzoyl halides and nitriles |
| 03/07/2002 | US20020028962 Process for the preparation of 3-alkoxyacrylonitrile |
| 03/07/2002 | CA2420003A1 Process for making n-aryl-anthranilic acids and their derivatives |
| 03/06/2002 | EP1184369A1 Process for the preparation of malononitrile |
| 03/06/2002 | EP1184076A1 Polymer-supported lewis acid catalyst |
| 03/06/2002 | EP0971876B1 A process for continuous hydrogenation of adiponitrile |
| 03/05/2002 | US6353127 By reaction of cyanohydrins with phosgene, using a phosphine oxide as catalyst. |
| 03/05/2002 | US6353126 Process for the production of malononitrile |
| 02/28/2002 | WO2002016031A2 Catalyst for ammoxidation and method for producing nitrile compound using the catalyst |
| 02/28/2002 | US20020026066 Reacting an aqueous solution of a phosphine and Ni(OH)2 with HCN or an HCN source; reducing the nickel to a zero oxidation state |
| 02/27/2002 | EP1182186A2 Difluoromethyl ether derivative and process for producing the same |
| 02/27/2002 | EP1181268A1 Ammoxidation of a mixture of ketones to acetonitrile and hydrogen cyanide |
| 02/27/2002 | EP1181267A1 Halogen compounds |
| 02/27/2002 | EP1091804B1 Catalyst comprising a complex of a metal from subgroup viii based on a bidentate phosphonite ligand, and method for producing nitriles |
| 02/27/2002 | CN1337940A A process for preparing (R)-4-cyano-3-hydroxybutyric acid ester |
| 02/27/2002 | CN1337939A Arsenic promoted vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation |
| 02/27/2002 | CN1337393A Cyanoethylation of alicyclic hypodiamine |
| 02/21/2002 | WO2002013963A2 Improved catalyst for the manufacture of acrylonitrile |
| 02/21/2002 | US20020022737 Reacting 2-alkenylnitrile or a aklenylnitrile which under reaction conditions isomerizes to form a 2-alkenylnitrile, in presence of base with benzyl alcohol to form a 3-benzyloxyalkanenitrile adduct and then partially hydrogenating |
| 02/21/2002 | US20020022736 Reacting ethylenically unsaturated organic compound with hydrogen cyanide in the presence of an aqueous solution containing nickel compound and phosphine compound as catalyst; separating organic and aqueous phases; treating aqueous phase |
| 02/20/2002 | EP1180095A1 4-cyano-3-hydroxy butanoyl hydrazines, derivatives and process for the preparation thereof |
| 02/20/2002 | CN1079392C Process for preparing 1,4-diamino anthraquinone-2,3-dicyan |
| 02/20/2002 | CN1079282C Method for improving catalyst activity and catalyst produced thereby |
| 02/14/2002 | WO2002012175A2 Method for producing hydrolysis-stable ammonium nitriles |
| 02/14/2002 | WO2002012174A1 Amelioration of ammonia breakthrough in an alkane ammoxidation process |
| 02/14/2002 | WO2002012173A2 Process for making 3-hydroxyalkanenitriles and hydroxyaminoalkanes |
| 02/14/2002 | WO2002012155A2 Process for the preparation of chiral 1,4-diaryl-2-fluoro-2-butenes |
| 02/14/2002 | WO2002011883A1 CATALYST FOR AROMATIC C-O, C-N, and C-C BOND FORMATION |
| 02/14/2002 | WO2001042173A3 Method for the preparation of enantiomerically enriched compounds |
| 02/14/2002 | WO2001007382A3 Improved metal-ligand complex catalyzed processes |