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公开(公告)号：CA1213906A
公开(公告)日：1986-11-12
申请号：CA427658
申请日：1983-05-06
Applicant: MITSUI TOATSU CHEMICALS
Inventor： YAMAGUCHI KEIZABURO , SUGIMOTO KENICHI , TANABE YOSHIMITSU , KAWASHIMA SABURO , YAMAGUCHI AKIHIRO
IPC: C07B61/00 , B01J23/00 , B01J23/40 , B01J23/70 , B01J25/02 , B01J27/00 , B01J27/02 , B01J27/08 , C07C20060101 , C07C67/00 , C07C201/00 , C07C205/45 , C07C221/00 , C07C225/22 , C07C97/10
Abstract: Process for Preparation of 3,3'- or 3,4'-Diaminobenzophenone Preparation of 3,3'- or 3,4'-diaminobenzophenone by nitrating a chloronitrobenzophenone mixture obtained by the Friedel-Crafts reaction between 3- or 4-nitrobenzoyl chloride and chlorobenzene, and catalytically reducing and dechlorinating the resulting chlorodinitrobenzophenone mixture in the presence of a reduction catalyst and a dehydrochlorinating agent.
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公开(公告)号：CH654570A5
公开(公告)日：1986-02-28
申请号：CH275483
申请日：1983-05-19
Applicant: MITSUI TOATSU CHEMICALS
Inventor： YAMAGUCHI KEIZABURO , SUGIMOTO KENICHI , TANABE YOSHIMITSU , KAWASHIMA SABURO , YAMAGUCHI AKIHIRO
IPC: C07B61/00 , B01J23/00 , B01J23/40 , B01J23/70 , B01J25/02 , B01J27/00 , B01J27/02 , B01J27/08 , C07C20060101 , C07C67/00 , C07C201/00 , C07C205/45 , C07C221/00 , C07C225/22 , C07C87/50
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公开(公告)号：GB2118542B
公开(公告)日：1985-12-04
申请号：GB8304332
申请日：1983-02-16
Applicant: MITSUI TOATSU CHEMICALS
Inventor： YAMAGUCHI KEIZABURO , TANABE YOSHIMITSU , SUGIMOTO KENICHI , YAMAGUCHI AKIHIRO , KAWASHIMA SABURO
IPC: C07C309/40 , C07C147/12
Abstract: 3,3'-diamino diphenylsulfones are prepared by catalytically reducing and dehalogenating, in the presence of a reduction catalyst and a dehydrohalogenation agent, a diphenylsulfone compound of the general formula in which X is a halogen atom and Y is hydrogen or a halogen atom.
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公开(公告)号：CA1193283A
公开(公告)日：1985-09-10
申请号：CA421816
申请日：1983-02-17
Applicant: MITSUI TOATSU CHEMICALS
Inventor： YAMAGUCHI KEIZABURO , SUGIMOTO KENICHI , TANABE YOSHIMITSU , YAMAGUCHI AKIHIRO , KAWASHIMA SABURO
IPC: C07C309/40 , C07C147/12
Abstract: PROCESS FOR PREPARING OF 3,3'-DIAMINO DIPHENYLSULFONES 3,3'-diamino diphenylsulfones are prepared by catalytically reducing and dehalogenatiny, in the presence of a reduction catalyst and a dehydrohalogenatiny agent, a diphenylsulfone compound of the general formula in which X is a halogen atom and Y is hydrogen or a halogen atom.
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公开(公告)号：DE3318534A1
公开(公告)日：1984-03-29
申请号：DE3318534
申请日：1983-05-20
Applicant: MITSUI TOATSU CHEMICALS
Inventor： YAMAGUCHI KEIZABURO , SUGIMOTO KENICHI , TANABE YOSHIMITSU , KAWASHIMA SABURO , YAMAGURCHI AKIHIRO
IPC: C07B61/00 , B01J23/00 , C07C67/00 , C07C209/00 , C07C209/10 , C07C209/36 , C07C211/50 , C07C211/54 , C07C87/48 , C07C85/11
Abstract: Preparation of 3,3'- or 3,4'- diaminodiphenylmethane by catalytically reducing and dechlorinating, in the presence of a reduction catalyst, a dinitrobenzophenone compound having the formula wherein X is chlorine and attached to a position 4 or 6 or the benzene ring, and Y is hydrogen or chlorine with the proviso that when Y is hydrogen, the nitro group is attached to a position 3' or 4', and when Y is chlorine, Y is attached to a position 4' and the nitro group is attached to a position 3'.
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Patent Agency Ranking
公开(公告)号：DE3300821A1
公开(公告)日：1983-07-21
申请号：DE3300821
申请日：1983-01-12
Applicant: MITSUI TOATSU CHEMICALS
Inventor： YAMAGUCHI KEIZABURO , SUGIMOTO KENICHI , TANABE YOSHIMITU , KAWASHIMA SABURO , YAMAGUCHI AKIHIRO
IPC: C07C309/40 , C07C97/10
Abstract: 3,3'- or 3,4'-diamino benzophenone is prepared by catalytically reducing and dehalogenating, in the presence of a reduction catalyst and a dehydrohalogenation agent, a benzophenone compound or benzophenone compounds of the general formula in which X is a halogen atom at position 2 or 4 of the benzene ring and Y is hydrogen or a halogen atom and in which the nitro group is at position 3' or 4' of the benzene ring if Y is hydrogen, while Y is at position 4' and the nitro group is at position 3' of the benzene ring if Y is a halogen atom.
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107.发明专利
公开(公告)号：CA1143942A
公开(公告)日：1983-04-05
申请号：CA320031
申请日：1979-01-22
Applicant: MITSUI TOATSU CHEMICALS
Inventor： ASANO MAKOTO , KAWASHIMA SABURO , SUGIMOTO KENICHI , KOBAYASHI TADASHI
Abstract: SPECIFICATION Title of the Invention: Color-developing Composition for Pressure-sensitive Recording Sheet Material and Process for the Preparation thereof Disclosed is a color-developing composition for pressuresensitive recording sheet material of the self-contained type comprising (A) 100 parts by weight of a copolymer obtained by reacting a p-alkylphenol having an alkyl moiety of from 1 to 12 carbon atoms and phenol with formaldehyde and (B) from 1 to 20 parts by weight of a hindered phenolic compound selected from phenols having an alkyl, alkylene or hydroxyl substituent radical in at least the 2- or 6-position, or both, of the benzene ring and derivatives thereof, the copolymer and the hindered phenolic compound being homogeneously dissolved in mutual solution. The hindered phenolic compound is either added to the starting materials for the preparation of the copolymer or, at the end of the copolymerization reaction, added to the resulting copolymer and dissolved homogeneously in mutual solution.
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公开(公告)号：DE3112195A1
公开(公告)日：1982-01-14
申请号：DE3112195
申请日：1981-03-27
Applicant: MITSUI TOATSU CHEMICALS
Inventor： ASANO MAKOTO , KAWASHIMA SABURO , TANABE YOSHIMITU , MURAKAMI HISAMICHI
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公开(公告)号：JP2585552B2
公开(公告)日：1997-02-26
申请号：JP27420686
申请日：1986-11-19
Applicant: MITSUI TOATSU CHEMICALS
Inventor： OIKAWA HIDEAKI , IIYAMA KATSUAKI , KOGA NOBUSHI , KAWASHIMA SABURO , TAMAI MASAJI , OOTA MASAHIRO , YAMAGUCHI TERUHIRO
IPC: C08G73/10
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公开(公告)号：JP2563548B2
公开(公告)日：1996-12-11
申请号：JP32632888
申请日：1988-12-26
Applicant: MITSUI TOATSU CHEMICALS
Inventor： OOTA MASAHIRO , KAWASHIMA SABURO , IIYAMA KATSUAKI , TAMAI MASAJI , OIKAWA HIDEAKI , YAMAGUCHI TERUHIRO
IPC: C08G73/10
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