Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
08/2004
08/24/2004US6780289 For purifying acetonitrile made as byproduct during the catalytic ammoxidation of propylene or propane; distilled at below atmospheric pressure, side draw is treated to remove impurities, then further distilled at higher pressure
08/19/2004US20040162440 carbonylation of 3-pentenenitrile to 5-cyanovaleric acid or its corresponding esters
08/19/2004US20040161404 Method for producing coupling compound
08/18/2004EP1446224A2 Aromatic compounds containing nitrogen and p-functionalized amines, the production thereof and their use in catalytic reactions
08/18/2004EP1284975B1 Ammonium compounds bearing an electrophilic fluorine, reagent containing same, method using same and synthesis method for obtaining them
08/18/2004CN1522243A Method for the production of unsaturated nitriles from alkanes
08/18/2004CN1522242A Process for the preparation of nitrile compounds
08/18/2004CN1522237A Method for producing methacrolein from isobutane
08/18/2004CN1162422C Process for prepn. of optically active 2-(6-(hydroxymethyl)-1,3-dioxan-4-yl) acetic acid derivatives
08/18/2004CN1162221C Catalyst comprising complex of metal of subgroup viii Based on phosphinite ligand, and method for hydrogormylation
08/17/2004US6777571 Mixed metal oxide catalyst
08/17/2004CA2305618C Process for the synthesis of 1,3-diols
08/12/2004WO2004024707A3 Process for preparing amine type substituted benzofurans
08/11/2004EP1445248A1 Processes for preparation of cyclopropylethanol, cyclo-propylacetonitrile and intermediates of both
08/11/2004EP1445019A1 Hydroformylation of unsaturated compounds using polymeric phosphite ligands
08/11/2004EP1444241A2 Bidendate ligands for the carbonylation of unsaturated compounds
08/11/2004EP1444193A2 Process for the preparation of tertiary amines from primary amines and nitriles
08/11/2004EP1444176A2 Bidentate ligand for the telomerization of dienes
08/11/2004CN1520405A Process for prepn. of racemic citalopram and/or S-or R-citalopram by separation of mixture of R-and S-citalopram
08/11/2004CN1520396A Method of purifying isophthalonitrile
08/11/2004CN1520315A Solid-phase nucleophilic fluorination
08/11/2004CN1161328C Quench process for raising recovery of acrylonitrile
08/11/2004CN1161327C Quench process for recovery of acrylonitrile
08/11/2004CN1161326C Quench process of acrylonitrile
08/05/2004WO2004065352A2 Method for synthesis of compounds comprising nitrile functions from ethylenically unsaturated compounds
08/05/2004WO2004065004A1 Method for producing metal oxide catalyst
08/05/2004WO2004064994A2 Process for the preparation of a nickel/phosphorous ligand catalyst for olefin hydrocyanation
08/05/2004WO2004026821A3 Non-halogenated antibacterial agents and processes for making same
08/04/2004EP1442010A1 Method for the production of biphenyl-4-carbonitrile
08/04/2004EP1441851A1 Iron-containing material suitable for use as a hydrogenation catalyst
08/04/2004CN1518538A Method for hemihydrogenation of dinitriles in order to form aminonitriles
08/04/2004CN1518537A Method for hemihydregenation of dinitriles in order to form aminonitriles
08/04/2004CN1518534A Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
08/04/2004CN1160318C 2-cyano-3-substituted phenylacrylate compounds, compositions and their preparing process anjd application as disinfectant of agricultural crops
08/04/2004CN1160317C High-recovery quench process of acrylonitrile
08/04/2004CN1160316C Fluidized-bed catalyst for preparing acrylonitrile by allylamine oxidation
08/04/2004CN1160307C Process for producing aminonitriles
08/03/2004US6770770 Phosphites
08/03/2004US6770679 Compounds from epoxidised nitriles, process for their production and use as cleaning agents
08/03/2004US6770463 Process for the preparation of chiral isofluoroenes
08/03/2004CA2235989C Preparation of aryl and vinyl nitriles
07/2004
07/29/2004WO2004063145A1 Process for recovering acrylonitrile or methacrylonitrile
07/29/2004WO2004063144A1 MANUFACTURE OF WATER-SOLUBLE β-HYDROXYNITRILES
07/29/2004US20040147745 Novel compounds and compositions as protease inhibitors
07/29/2004DE69912203T2 Verfahren zur inhibierung der polymerisierung von vinylverbindungen A method for inhibiting the polymerization of vinyl compounds
07/29/2004CA2516401A1 Process for recovering acrylonitrile or methacrylonitrile
07/29/2004CA2512265A1 Manufacture of water-soluble .beta.-hydroxynitriles
07/28/2004CN1515576A Hydrocyanation of diolefine and isomerization of non-conjugated 2-alkyl-mono-olefinenitrile
07/28/2004CN1159107C PHosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo [2.2.N] as parent substances and catalysts contg. same
07/28/2004CN1159106C Catalyst comprising complex in metal from subgroup VIII and method for producing nitriles
07/28/2004CN1159105C Catalyst comprising complex of metal of subgroup VIII. and method for hydroformylation
07/27/2004US6768028 Using complex catalyst containing group 8 metal
07/27/2004US6768023 Reacting an ester or salt of nitrous acid with a compound that generates a free radical in the presence of a nitrogen containing cyclic compound containing an n-oxy or -hydroxy imide group; forming oximes, nitro compounds, and ketones
07/22/2004WO2004060855A1 Method of producing nitrile compounds from ethylenically-unsaturated compounds
07/21/2004EP1439167A1 Recycle of condensed quench overheads in a process for purifying acrylonitrile
07/21/2004EP1439157A2 Method for producing Suzuki coupling compound catalysed by a nickel compound
07/21/2004EP1438317A1 Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles
07/21/2004EP1438133A1 Phosphinites
07/21/2004EP1438132A1 Phosphonites
07/21/2004EP1082285B1 Hydroformylation of olefins using supported bis(phosphorus) ligands
07/21/2004CN1158249C Processes for preparing pesticidal intermediates
07/21/2004CN1158248C Process for preparing diclazuril as veterinary medicine for coccidiosis
07/20/2004CA2267153C Synthesis of aryl ethers, methods and reagents related thereto
07/15/2004WO2004013082A3 Method for producing aminoalkoxy benzylamines and aminoalkoxy benzonitriles as intermediates
07/15/2004US20040138494 Process for the preparation of nickel/phosphorous ligand catalyst for olefin hydrocyanation
07/15/2004US20040138487 Bisphospholane ligands with metals for hydrogenation catalysts for enantiomorphs
07/15/2004US20040138468 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
07/14/2004EP1436250A1 Cyanoacetyl compounds
07/14/2004EP1435933A1 5'-carbamoyl-2'-methyl-1,1'-biphenyl-4-carboxamide derivatives and their use as p38 kinase inhibitors
07/14/2004CN1512880A Novel compounds and compositions as cathepsin inhibitors
07/14/2004CN1157371C Monohydrate of cis-4-cyano-4-[3-(cyclopentyloxy)-4-methoxyphenyl] cyclohexancecarboxylate
07/14/2004CN1157370C Fluidized bed catalyst for preparing acrylonitrile by propene ammoxidation
07/14/2004CN1157369C Method of preparing granular N-alkyl-ammonium acetonitrile salts
07/13/2004US6762329 Diaryl ether condensation reactions
07/13/2004US6761838 Cyclic autothermal hydrocarbon reforming process
07/13/2004CA2154783C Process for the preparation of ortho-hydroxy substituted aromatic nitriles via dehydration of the corresponding aldoximes
07/08/2004WO2004056754A1 A process for the preparation of racemic citalopram diol and/or s- or r- citalopram diols and the use of such diols for the preparation of racemic citalopram, r-citalopram and/or s-citalopram
07/08/2004WO2004056753A1 Improved neutralization of isophorone nitrile synthesis products
07/08/2004WO2004056752A1 Production process of gamma-cyhalothrin
07/08/2004US20040133029 Reacting a 1,2-epoxide and an inorganic cyanide salt in an aqueous organic solvent with a buffer to form a reaction product having beta -hydroxynitrile, buffer partially inhibiting the formation of reaction products other than beta -hydroxynitrile
07/08/2004US20040133007 Process for preparing amine-substituted benzofurans
07/08/2004US20040132808 precipitating the citalopram base in crystalline form, and transforming the base into a pharmaceutically acceptable citalopram salt; useful for removing intermediates which are structurally closely related to citalopram
07/08/2004US20040132796 Novel intermediates for use in retinoid synthesis
07/08/2004US20040132613 Heterogeneous systems; efficient heat and mass transfer; temperature and residence time control; selectivity, activity; by product minimization; low pressure drop; ease of separation
07/08/2004DE10259708A1 Verbesserte Neutralisation von Isophoronnitril-Syntheseausträgen Improved neutralization of isophoronenitrile Syntheseausträgen
07/08/2004DE10259162A1 Optisch aktive Komplexe enthaltende Mischungen Optically active complexes containing mixtures
07/07/2004EP1434760A2 Carbonyloxy-cyanomethyl compounds as antiparasitic agents
07/07/2004EP1434759A1 Aminonitrile production
07/07/2004EP1434758A1 Aminonitrile production
07/07/2004EP1434757A1 Aminonitrile production
07/07/2004EP1434756A1 Novel compounds
07/07/2004CN1510013A Inhibitor
07/07/2004CN1156438C Method for purifying aliphatic aminonitriles
07/06/2004US6759554 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
07/06/2004US6759503 Curing epoxy resin with N-cyanoethylated toluenediamines
07/01/2004WO2004055028A1 Optically active mixtures comprising vanadyl-salen complexes
07/01/2004WO2004054966A1 Method for the production of optically-active cyanohydrins and the corresponding mandelic acids
07/01/2004WO2003106415A3 Processes for making (r)-ethyl 4-cyano-3-hydroxybutyric acid
07/01/2004US20040126295 Destroying alkali halide in gas streams
07/01/2004DE4314035B4 Verfahren zur Herstellung von substituierten 2-Cyanzimtsäureestern A process for the preparation of substituted 2-Cyanzimtsäureestern
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