| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 09/23/1992 | EP0504381A1 Method for obtaining acetic acid derivatives |
| 09/23/1992 | EP0290570B1 Chiral or achiral cyclic compounds |
| 09/13/1992 | CA2062233A1 Catalyst for asymmetric induction |
| 09/09/1992 | EP0502707A1 Method for production of 3-cyano-3,5,5-trimethyl cyclohexanone |
| 09/09/1992 | EP0502439A1 Purification of 6-Aminocapronitrile |
| 09/09/1992 | CN1018180B Preparation method for phenylacetric acid derivative |
| 09/08/1992 | US5145870 Aryloxyphenylpropylamines their preparation and use |
| 09/02/1992 | EP0501757A2 Production of hydrocarbon derivatives |
| 09/02/1992 | EP0501731A1 Regioselective synthesis of beta-cyanohydrins |
| 09/02/1992 | EP0501704A1 Synthesis of beta-cyanohydrins |
| 09/02/1992 | EP0310620B1 Chiral liquid crystal compounds |
| 09/02/1992 | EP0304493B1 Hydroxystyrene derivatives |
| 09/02/1992 | CN1064073A Method for production of hexanedinitrile with capronitrile tar |
| 09/01/1992 | US5143873 Process for activation or regeneration of nickel catalyst |
| 08/28/1992 | CA2059959A1 Process for the production of petrochemicals |
| 08/27/1992 | CA2061737A1 Synthesis of beta-cyanohydrins |
| 08/27/1992 | CA2061735A1 Regioselective synthesis |
| 08/26/1992 | EP0500083A2 Process for the preparation of 2,4-dichloro-5-fluorobenzonitrile |
| 08/25/1992 | US5142098 Methylidenemalonate esters derived from esters of 9,10-endoethano-9,10-dihydroanthracane-11,11-dicarboxylic acid |
| 08/25/1992 | US5142090 Refluxing isophorone with alkaline cyanide |
| 08/25/1992 | US5142057 Reacting an organic chloride with carbon monoxide and amine |
| 08/25/1992 | US5141732 Process for the removal of ammonium sulphate from tarrich waste streams from the production of (meth) acrylonitrile |
| 08/21/1992 | CA2061489A1 Process for the preparation of 2,4-dichloro-5-fluorobenzonitrile |
| 08/20/1992 | WO1992014189A1 Activated propenes as colour couplers and method for the production thereof |
| 08/19/1992 | EP0498817A1 Process for producing fluorinated organic compounds. |
| 08/18/1992 | US5139988 With at least one of vanadium, molybdenum or tungsten; oxidation or ammoxidatin catalyst |
| 08/18/1992 | CA1306580C 3-halovinylglycine antibacterial agents |
| 08/12/1992 | CA2036086A1 Cyanoalkenylation process |
| 08/11/1992 | US5138086 From oxycarboxylic amide using acid catalyst |
| 08/11/1992 | US5137920 Method of treating fungal infections |
| 08/06/1992 | WO1992012962A1 Process for the production of cyanoacetic acid |
| 08/06/1992 | WO1992012949A1 Inhibiting popcorn polymer formation with sulfur-containing compounds |
| 08/06/1992 | WO1992010291A3 Catalyst support for oxidation reactions |
| 08/05/1992 | EP0497740A1 Benzyloxyphenyl derivatives |
| 08/05/1992 | EP0497333A2 Purification of aminonitriles or diamines |
| 08/05/1992 | EP0497239A1 2-Chloro-4,5-difluorobenzonitrile and process for preparation thereof |
| 08/05/1992 | CN1063277A Carbonylation of olefins |
| 08/05/1992 | CN1063240A Activation of catalysis |
| 08/04/1992 | US5136115 Reacting with chloroalkyl ether and hydrogen bromide using hydrogen sulfate catalyst and no solvent |
| 08/04/1992 | US5136081 Fungicides |
| 08/04/1992 | US5136079 Regioselective synthesis |
| 08/04/1992 | US5136078 Synthesis of b-cyanohydrins |
| 08/04/1992 | US5135951 3-(2-cyano-2-halo-ethenyl)-2,2-dimethyl-cyclopropanecarboxylates |
| 08/04/1992 | US5135950 Crystallized from lower aliphatic carboxylic acid with hydrochloric or hydrobromic acid catalyst |
| 08/02/1992 | CA2060352A1 Benzyloxyphenyl derivatives |
| 07/30/1992 | WO1992012948A1 Inhibiting popcorn polymer formation with alkyl halides |
| 07/30/1992 | WO1992012947A1 Inhibiting popcorn polymer formation with compounds incorporating group iv elements |
| 07/28/1992 | US5134105 Metal oxide complex |
| 07/28/1992 | US5133838 Reduction of by-product tetrahydroazepine with a hydride, distillation |
| 07/23/1992 | WO1992012121A1 Process for the preparation of aminonitriles |
| 07/22/1992 | EP0495547A2 Carbonylation of olefins |
| 07/21/1992 | US5132423 Nucleophilic substitution reaction of alkali hydroxy- or mercaptoaromatic compound and heterocyclic substituted imide |
| 07/21/1992 | US5132269 Slurrying, drying and firing to form an oxidation catalyst |
| 07/21/1992 | CA1305486C Quaternary ammonium salts used as phase transfer catalyst |
| 07/21/1992 | CA1305479C2 O-aryl-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3h)-yl) benzene-acetonitriles |
| 07/15/1992 | EP0494620A2 Process for preparing trans-beta-aroylacrylic ester |
| 07/14/1992 | US5130455 Process for the production of 1-(aminomethyl) cyclohexane acetic acid |
| 07/14/1992 | CA1305182C Process for the preparation of fatty acid nitriles and glycerol from glycerides |
| 07/14/1992 | CA1305160C Ether isonitriles and radiolabeled complexes thereof |
| 07/14/1992 | CA1305121C Method for ammoxidation of paraffins and catalyst system therefor |
| 07/08/1992 | EP0493711A1 Process for the preparation of E-oximethers from phenylglyoxylic acid esters |
| 07/07/1992 | CA1304751C Hydrocyanation of butadiene |
| 07/02/1992 | DE4042283A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042282A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042280A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042273A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042272A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042271A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/01/1992 | EP0492805A1 Activation of catalysts |
| 07/01/1992 | CN1062348A Cyanhydrin process for preparing methyl-cyanide chrysanthester from tetramethyl cyclopropanecarboxylic acid |
| 07/01/1992 | CN1062343A Process for production of anhydrides and nitriles |
| 07/01/1992 | CN1062306A Catalyst system for ammoxidation of paraffins |
| 07/01/1992 | CN1062305A Catalyst system for ammoxidation of paraffins |
| 07/01/1992 | CN1062303A Catalyst for synthesizing acetonitrile from alcohol and ammonia |
| 06/30/1992 | US5126481 β-phenoxyethylamines and their use for the preparation of dyestuffs |
| 06/30/1992 | US5126463 Process for the production of anhydrides |
| 06/30/1992 | CA1304372C Oligomeric benzil ketals and their use as photoinitiators |
| 06/25/1992 | WO1992010291A2 Catalyst support for oxidation reactions |
| 06/24/1992 | EP0491323A2 Process for the preparation of cyclopropanenitrile derivatives |
| 06/24/1992 | EP0491129A2 Process for the nitrilation of aliphatic dicarboxylic acids in the liquid phase |
| 06/24/1992 | EP0491127A1 3-(Hexenyloxy)propanenitriles, their preparation and their use |
| 06/24/1992 | CN1062137A Method for ammoxidation of paraffins |
| 06/24/1992 | CN1062134A Production of hydrocarbon derivatives |
| 06/23/1992 | US5124353 For plants |
| 06/23/1992 | US5124291 Contacting with high velocity gas to abrade surface, exposing fresh catalyst |
| 06/23/1992 | CA1304094C Method for ammoxidation of paraffins and catalyst therefor |
| 06/23/1992 | CA1304093C Imidazolidines substituted by a hydroxymethyl radical and a substituted phenyl radical, process for their preparation, their application as medecines, pharmaceutical compounds containing them and an intermediate compound for their preparation |
| 06/22/1992 | CA2056923A1 Activation of catalysts |
| 06/18/1992 | WO1992011087A1 Process for activation or regeneration of nickel catalyst |
| 06/18/1992 | CA2098611A1 Process for activation or regeneration of nickel catalyst |
| 06/18/1992 | CA2057636A1 Process for the liquid-phase preparation of nitriles from aliphatic dicarboxylic acids |
| 06/16/1992 | CA1303626C (meth)acrylate esters |
| 06/16/1992 | CA1303616C N-1-azabicyclo¬2,2,2|-oct-3yl)-benzamide compounds |
| 06/11/1992 | DE4039177A1 Quenching of acrylonitrile - using catalytic cracking heavy cycle oil or residual oil as polymerisation inhibitor |
| 06/10/1992 | EP0489689A1 Photochromic naphthacenequinones, process for their production and their use |
| 06/10/1992 | EP0489506A1 Method for ammoxidation of paraffins |
| 06/10/1992 | CN1061731A Complex metal oxide catalyst |
| 06/09/1992 | US5120869 Herbicidal compounds |
| 06/09/1992 | US5120849 Preparation of o-substituted hydroxylamines |
| 06/09/1992 | US5120468 Optical active mixture exhibiting ferroelectricity |