Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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12/17/1997 | EP0812822A2 Process for the preparation of aminoacetic acids substituted at position alpha by a tertiary hydrocarbon chain or their nitriles |
12/17/1997 | EP0812308A1 Method for synthesis of aryl difluoromethyl ethers and the like |
12/17/1997 | CN1167757A Improved acrylonitrile recovery process |
12/16/1997 | US5698745 Contacting olefin, hydrogen, carbon monoxide in solvent containing dissolved catalyst comprising halide-free platinum compound, bidentate diarylphosphine ligand having ferrocene bridge, acid promoter to produce linear aldehyde |
12/16/1997 | US5698735 Reacting sulfonyloxy-activated hydroxyacetic acid with an aromatic compound |
12/16/1997 | US5698730 Transesterification reaction of cyanoacetic acid ester with alcohol in the presence of organotin catalyst |
12/11/1997 | WO1997046514A1 Process for the preparation of hydrazine derivatives useful as intermediates for the preparation of peptide analogues |
12/11/1997 | WO1997046306A1 Method for filtering a three-phased reaction mixture |
12/11/1997 | DE19724086A1 Preparation of aminoacetic acid derivatives |
12/10/1997 | EP0811609A2 Improved acrylonitrile recovery process |
12/09/1997 | US5696280 Using a catalyst containing phosphite groups |
12/09/1997 | US5696075 Organoleptic |
12/09/1997 | US5696047 Method of improving catalyst activity, improved catalysts and their use |
12/04/1997 | WO1997045398A1 Process for producing hydroxyarenes |
12/03/1997 | EP0809492A1 Il-8 receptor antagonists |
12/03/1997 | CN1166827A Process for preparing halogenated methyl benzoyl cyanides |
12/03/1997 | CN1166378A New catalyst for preparing 2,6-dichlorobenzyl nitrile by ammonia oxidation process |
12/03/1997 | CN1036581C Method for ammoxidation of olefine |
12/02/1997 | US5693843 Reacting aliphatic diolefin in liquid phase with hydrocyanic acid in presence of catalyst comprising zero-valent nickel compound and specified bidentate phosphorus compound |
12/02/1997 | US5693793 Preparation of caprolactam from 6-aminocapronitrile |
12/02/1997 | US5693587 Reacting monoperoxovanadium ion while in aqueous solution with antimony compound, removing water and calcining |
11/27/1997 | DE19620992A1 Verfahren zur Herstellung von Hydroxyarenen A process for preparing hydroxyarenes |
11/26/1997 | EP0808827A1 Production process for aromatic compounds |
11/26/1997 | EP0808302A1 2-aryl-2-alkyl-omega-alkylaminoalkane nitrile racemate separation process |
11/20/1997 | WO1997043230A1 Method for organic reactions |
11/19/1997 | EP0807622A1 Process for producing unsaturated nitriles |
11/19/1997 | EP0807120A1 Ruthenium hydrogenation catalysts |
11/19/1997 | EP0807119A1 Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts |
11/19/1997 | EP0807098A1 Improved process for reductive hydrolysis of nitriles |
11/18/1997 | US5689003 Ruthenium hydrogenation catalysts |
11/18/1997 | US5688986 Processes and catalyst compositions for hydrocyanation of monoolefins |
11/18/1997 | US5688985 Reacting n,n-dibenzylaminophenylalanine ester with acetonitrile in presence of an organometallic catalyst |
11/18/1997 | US5688945 Compounds |
11/12/1997 | EP0805808A1 Process for the preparation of 1-(thiomethyl)-cyclopropaneacetic acid |
11/12/1997 | EP0805797A1 Process for producing n-arylhydroxylamines and n-hetarylhydroxylamines |
11/11/1997 | US5686608 Process for cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates |
11/11/1997 | US5686381 Mixed V/Sb/Sn oxide ammoxidation catalysts |
11/06/1997 | WO1997036855A3 Catalyzed vapor-phase hidrocyanation of diolefinic compounds |
11/05/1997 | EP0804412A1 Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles |
11/05/1997 | CN1163887A Process for producing alpha-(tert-alkyl) cyanoacetic acid ester |
11/04/1997 | US5684200 Multistage process of hydroxylamines reacted with alkylation agent with desulfonation to form intermediates for crop protection and drugs |
10/29/1997 | EP0757980B1 Process for the preparation of 3-aminomethyl-3,5,5-trimethyl cyclohexylamine |
10/29/1997 | CN1163607A Process for production of acrylonitrile dimers |
10/29/1997 | CN1163606A Catalyzed vapor phase hydrocyanation of diolefinic compounds |
10/29/1997 | CN1163262A Process for preparing 1,4-diamino-2,3-dicyan anthraquinone |
10/28/1997 | US5681979 Process for the producing of alkylcyclopentanone derivatives |
10/22/1997 | EP0801641A1 Process for preparing aliphatic alpha,omega-aminonitriles in the gaseous phase |
10/22/1997 | CN1162955A 2-cyanoacrylic acid esters |
10/22/1997 | CN1036192C Method for producing a nitrile |
10/21/1997 | US5679851 Perfluoro unsaturated nitrile compound and process for producing the same |
10/21/1997 | US5679826 Process for the preparation of 2-chloroacrylonitrile |
10/21/1997 | US5679237 Electrolyzing aqueous solution catholyte containing transition metal compound and sulfonated phosphine |
10/21/1997 | CA2116464C Process for the preparation of an optically pure aminoalcohol |
10/16/1997 | WO1997037964A1 Method of simultaneously producing 6-aminocapronitrile and hexamethylenediamine |
10/16/1997 | WO1997037963A1 Method of producing amines and aminonitriles |
10/16/1997 | DE19614283A1 Verfahren zur Herstellung von Aminen und Aminonitrilen A process for preparing amines and aminonitriles |
10/15/1997 | EP0800509A1 Process for preparing aliphatic alpha,omega-aminonitriles |
10/15/1997 | EP0800508A1 Process for preparing aliphatic alpha,omega-aminonitriles |
10/15/1997 | EP0800507A1 Process for preparing aliphatic alpha,omega-aminonitriles |
10/15/1997 | EP0800506A1 Solventless process for making 2,6-difluorobenzonitrile |
10/15/1997 | EP0800421A1 Method of producing a hydrogenation catalyser |
10/09/1997 | WO1997036865A1 PROCESS FOR PRODUCING INTERMEDIATE COMPOUNDS FOR THE PRODUCTION OF FACTOR Xa INHIBITORS |
10/09/1997 | WO1997036856A1 Catalyzed vapor-phase isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles |
10/09/1997 | WO1997036855A2 Catalyzed vapor-phase hidrocyanation of diolefinic compounds |
10/08/1997 | EP0799894A2 Process for the preparation of (S)-Cyanhydrines |
10/08/1997 | EP0799190A1 Process for producing pentene-nitriles |
10/08/1997 | CN1161327A Prepn. of aromatic or heteroaromatic nitriles |
10/07/1997 | USH1686 Contacting acrylonitrile with activated alumina adsorbent for time sufficient for hydrogen peroxide contaminent to be adsorbed and produces acrylonitrile product having less than 0.2 ppm peroxide impurity |
10/07/1997 | US5675057 Calcining and heat treating a mixed oxide catalyst used in the ammoxidation of hydrocarbons to form acrylonitrile |
10/07/1997 | US5675045 Process for the catalytic selective hydrogenation of polyunsaturated organic substances |
10/02/1997 | WO1997036178A1 Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors |
10/02/1997 | WO1997035838A1 Fungicidally active carboxylic acid amides |
10/02/1997 | DE19612814A1 Calamitic acyl cyclohexane(s) used as intermediates for liquid crystal or mesogenic compounds |
10/01/1997 | EP0797568A1 Method for partially hydrogenating dinitriles to aminonitriles |
10/01/1997 | CN1035995C The process for preparing methyl t-amine by reacting hexamethenamine with amine or nitrile |
09/30/1997 | US5672718 Pesticides |
09/25/1997 | DE19614154C1 Verfahren zur gleichzeitigen Herstellung von 6-Aminocapronitril und Hexamethylendiamin A process for the simultaneous preparation of 6-aminocapronitrile and hexamethylenediamine |
09/24/1997 | CN1035942C Higher cyanoacetic ester |
09/23/1997 | US5670700 Hydroformylation process |
09/23/1997 | US5670694 Process for the preparation of 2,4-dichloro-5-fluorobenzonitrile and 2,6-dichloro-3-fluorobenzonitrile |
09/18/1997 | WO1997033863A1 Process for preparing unsaturated nitrile |
09/18/1997 | WO1997033854A1 Process to prepare a terminal aldehyde |
09/18/1997 | WO1997033846A1 Process for preparing nitrobiphenylene |
09/18/1997 | CA2249026A1 Process to prepare a terminal aldehyde |
09/17/1997 | EP0795542A1 Process for the production of acrylonitrile dimers |
09/17/1997 | EP0795541A1 Method for production of nuclear halogenated aromatic compound possessing cyano groups |
09/17/1997 | CN1159802A Process for producing quaternary glycine nitriles |
09/17/1997 | CN1159799A Hydrocyanation process and multidentate phosphite and nickel catalyst composition therefor |
09/16/1997 | US5668277 Depolymerization of polyamides |
09/12/1997 | WO1997032843A1 New processes for preparing pesticidal intermediates |
09/12/1997 | WO1997032835A1 Process for producing fluorine compounds |
09/11/1997 | DE19630788C1 Amine(s) preparation by hydrogenation, especially of nitrile(s) |
09/10/1997 | EP0793642A1 Process for preparing halogenated methyl benzoyl cyanides |
09/10/1997 | EP0673381A4 Homogeneous bimetallic hydroformylation catalysts and processes utilizing these catalysts for conducting hydroformylation reactions. |
09/10/1997 | EP0640070B1 Styryl derivatives, their preparation and use as pde-iv inhibitors |
09/03/1997 | EP0792260A1 Catalyzed gas phase isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles |
09/03/1997 | EP0792259A1 Catalyzed vapor phase hydrocyanation of diolefinic compounds |
09/03/1997 | EP0618895B1 Process for the preparation of an aminonitrile by partial hydrogenation of a nitrile compound with two or more nitrile groups |
09/03/1997 | EP0610384B1 Process for the preparation of fluorinated benzoic acids |
09/03/1997 | EP0440643B1 Fluorinated 4''-cyano substituted terphenyls |