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Kohichi Satoh
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Yokohama, JP
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last 30 patents
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Patent Grant
N-vinylformamide compositions
Patent number
5,554,792
Issue date
Sep 10, 1996
Mitsubishi Kasei Corporation
Shigeru Sawayama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Vinylamine copolymer, flocculating agent and paper strength increas...
Patent number
RE34903
Issue date
Apr 11, 1995
Mitsubishi Kasei Corporation
Takaharu Itagaki
525 - Synthetic resins or natural rubbers
Information
Patent Grant
Paper-making additives comprising cationic polymers
Patent number
5,389,203
Issue date
Feb 14, 1995
Mitsubishi Kasei Corporation
Shigeru Sawayama
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Vinylamine copolymer flocculating agent etc.
Patent number
RE34713
Issue date
Aug 30, 1994
Mitsubishi Kasei Corporation
Takaharu Itagaki
525 - Synthetic resins or natural rubbers
Information
Patent Grant
Vinylamine copolymer, flocculating agent and paper strength increas...
Patent number
5,064,909
Issue date
Nov 12, 1991
Mitsubishi Kasei Corporation
Takaharu Itagaki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Vinylamine copolymer and process for producing same
Patent number
5,037,927
Issue date
Aug 6, 1991
Mitsubishi Chemical Industries, Ltd.
Takaharu Itagaki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Vinylamine copolymer, flocculating agent etc.
Patent number
4,957,977
Issue date
Sep 18, 1990
Mitsubishi Kasei Corporation
Takaharu Itagaki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for preparing water-soluble polymer
Patent number
4,824,913
Issue date
Apr 25, 1989
Mitsubishi Chemical Industries Limited
Yoshikazu Murao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vinylamine copolymer, flocculating agent using the same, and proces...
Patent number
4,808,683
Issue date
Feb 28, 1989
Mitsubishi Chemical Industries Limited
Takaharu Itagaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing N-substituted formamides
Patent number
4,567,300
Issue date
Jan 28, 1986
Mitsubishi Chemical Industries Limited
Yoshikazu Murao
C07 - ORGANIC CHEMISTRY