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公开(公告)号：US3644402A
公开(公告)日：1972-02-22
申请号：US3644402D
申请日：1969-05-06
Applicant: SUMITOMO CHEMICAL CO
Inventor： TAKAGI KAZUMI , MURAKAMI MASAHIRO , MATSUDA TERUO
IPC: C07D201/08 , C07D27/08
CPC classification number: C07D201/08
Abstract: HIGH YIELD OF A-PYRROLIDONE ARE OBTAINED BY REACTING SUCCINONITRILE WITH HYDROGEN UNDER PRESSURE IN THE PRESENCE OF A HYDROGENATING CATALYST AT A TEMPERATURE OF 80* TO 200*C. IN A NITROGEN-CONTAINING BASIC ORGANIC SOLVENT FOR A REACTION PERIOD SHORTER THAN 3.7 MINUTES AND THEN CONTACTING THE THUS OBTAINED REACTION MIXTURE WITH WATER OR AQUEOUS AMMONIA SOLUTION AT A TEMPERATURE OF 200* TO 300*C. ALPHA-PYRROLIDONE IS USEFUL AS AN IMPORTANT RAW MATERIAL OF 4-NYLON AND AS A RAW MATERIAL FOR THE PRODUCTION OF N-METHYL PYRROLIDONE AND N-VINYL PYRROLIDONE, BOTH USEFUL AS A HIGH BOILING SOLVENT, OR AS A FIBER RAW MATERIAL.
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公开(公告)号：US3317516A
公开(公告)日：1967-05-02
申请号：US34768764
申请日：1964-02-27
Applicant: TEIJIN LTD
Inventor： AKIRA MIFUNE , SACHIO ISHIMOTO , OSAMU IKEDA , MICHIYUKI TOKASHIKI , MASAAKI SUMI , HIDEO MATSUI
IPC: B01J23/00 , B01J23/40 , B01J23/75 , B01J23/755 , B01J23/90 , B01J27/22 , B01J37/02 , B01J37/03 , C07D201/08
CPC classification number: C07D201/08 , B01J23/00 , B01J23/40 , B01J23/75 , B01J23/755 , B01J23/90 , B01J27/22 , B01J37/02 , B01J37/0201 , B01J37/03 , Y02P20/52 , Y02P20/584
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263.发明授权Nu-metal salts of alpha, alpha-disubstituted beta-halo propionic acid amide and preparation thereof 失效α，α-二取代β-卤代丙酸酰胺的金属盐及其制备
公开(公告)号：US3297754A
公开(公告)日：1967-01-10
申请号：US27159863
申请日：1963-04-09
Applicant: DU PONT
Inventor： ADRIAAN BANTJES
IPC: C07D201/08 , C07D205/08 , C08G69/22
CPC classification number: C07D201/08 , C07D205/08 , C08G69/22
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264.发明授权Making lactams by the vapor phase reductive amination of oxo carboxylic acid compounds 失效通过气相还原胺化羧酸化合物制备内酰胺
公开(公告)号：US3235562A
公开(公告)日：1966-02-15
申请号：US16965662
申请日：1962-01-29
Applicant: CROWN ZELLERBACH CORP
Inventor： SHILLING WILBUR L
IPC: C07D201/08
CPC classification number: C07D201/08
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公开(公告)号：US3198808A
公开(公告)日：1965-08-03
申请号：US23312762
申请日：1962-10-25
Applicant: BASF AG
Inventor： WALTER HIMMELE , VON KUTEPOW NIKOLAUS
IPC: B01J23/70 , B01J23/74 , B01J23/90 , B01J37/08 , C07D201/08
CPC classification number: C07D201/08 , B01J23/70 , B01J23/74 , B01J23/90 , B01J37/08 , Y02P20/584
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Patent Agency Ranking
公开(公告)号：US3143547A
公开(公告)日：1964-08-04
申请号：US9830661
申请日：1961-03-27
Applicant: RES INST MEDICINE CHEM
Inventor： CRUICKSHANK PHILIP A , SHEEHAN JOHN C
IPC: C07D201/08
CPC classification number: C07D201/08
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公开(公告)号：US3139423A
公开(公告)日：1964-06-30
申请号：US3139423D
IPC: C07D201/08
CPC classification number: C07D201/08
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268.发明授权Vapor phase ammonolysis of butyrolactone in the presence of an aluminum silicate clay catalyst 失效在硅酸铝粘土催化剂存在下，丁内酯的气相氨解
公开(公告)号：US3136780A
公开(公告)日：1964-06-09
申请号：US15890461
申请日：1961-12-12
Applicant: FMC CORP
Inventor： KOLYER JOHN M , TUEMMLER WILLIAM B , LIAO HSIANG P
IPC: C07D201/08
CPC classification number: C07D201/08
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公开(公告)号：US3092638A
公开(公告)日：1963-06-04
申请号：US12435761
申请日：1961-07-17
Applicant: FMC CORP
Inventor： LIAO HSIANG P , TUEMMLER WILLIAM B
IPC: C07D201/08
CPC classification number: C07D201/08
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公开(公告)号：US2681349A
公开(公告)日：1954-06-15
申请号：US27604852
申请日：1952-03-11
Applicant: QUAKER OATS CO
Inventor： DUNLOP ANDREW P , EDWARD SHERMAN
IPC: C07D201/08
CPC classification number: C07D201/08
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