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Tatsuo Kaneoya
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Minoo, JP
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last 30 patents
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Patent Grant
Process for producing piperidine derivative and stabilized resin co...
Patent number
5,049,604
Issue date
Sep 17, 1991
Sumitomo Chemical Company, Limited
Takeo Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ultraviolet ray absorbing agent
Patent number
4,851,551
Issue date
Jul 25, 1989
Sumitomo Chemical Company, Limited
Tatsuo Kaneoya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermally stabilized butadiene resins containing a hindered phenoli...
Patent number
4,774,274
Issue date
Sep 27, 1988
Sumitomo Chemical Company, Limited
Takeshi Takata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ultraviolet ray absorbing agent
Patent number
4,745,195
Issue date
May 17, 1988
Sumitomo Chemical Company, Limited
Tatsuo Kaneoya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivatives, production process therefor, and stabilizer...
Patent number
4,719,037
Issue date
Jan 12, 1988
Sumitomo Chemical Company, Limited
Yukoh Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying 1-aminoanthraquinone
Patent number
4,695,407
Issue date
Sep 22, 1987
Sumitomo Chemical Company, Limited
Norio Kotera
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivatives, their production and use as stabilizers
Patent number
4,670,488
Issue date
Jun 2, 1987
Sumitomo Chemical Co., Ltd.
Yuzo Maegawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivatives, their production and use as stabilizers
Patent number
4,670,489
Issue date
Jun 2, 1987
Sumitomo Chemical Company, Ltd.
Yukoh Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aminophenyl-.beta.-hydroxyethylsulfone
Patent number
4,612,394
Issue date
Sep 16, 1986
Sumitomo Chemical Company, Limited
Norio Kotera
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aminoanthraquinone
Patent number
4,407,756
Issue date
Oct 4, 1983
Sumitomo Chemical Company, Limited
Akira Fukasawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...