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Kazuo Sugibuchi
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Stabilized polyolefin resin composition
Patent number
5,081,170
Issue date
Jan 14, 1992
Adeka Argus Chemical Co., Ltd.
Masaki Yagi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers f...
Patent number
4,798,836
Issue date
Jan 17, 1989
Adeka Argus Chemical Co., Ltd.
Motonobu Minagawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing 2,2,6,6-tetramethyl-4-oxopiperidine
Patent number
4,663,459
Issue date
May 5, 1987
Adeka Argus Chemical Co., Ltd.
Tohru Haruna
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2,2,6,6-tetramethyl-4-oxopiperidine
Patent number
4,661,597
Issue date
Apr 28, 1987
Adeka Argus Chemical Co., Ltd.
Tohru Haruna
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,2,6,6-Tetramethyl-4-piperidyl spiro aliphatic ethers and stabiliz...
Patent number
4,405,736
Issue date
Sep 20, 1983
Adeka Argus Chemical Co., Ltd.
Naohiro Kubota
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-2-Hydroxypropyl piperidines and compositions thereof
Patent number
4,405,737
Issue date
Sep 20, 1983
Adeka Argus Chemical Co., Ltd.
Bunji Hirai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,2,6,6-Tetramethyl-4-piperidyl spiro aliphatic ethers as stabilize...
Patent number
4,351,915
Issue date
Sep 28, 1982
Adeka Argus Chemical Co., Ltd.
Naohiro Kubota
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a 5,5'-methylenebis(2-hydroxy-4-alkoxybenzoph...
Patent number
4,186,151
Issue date
Jan 29, 1980
Argus Chemical Corporation
Naohiro Kubota
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxybenzophenone stabilizer composition
Patent number
4,169,089
Issue date
Sep 25, 1979
Argus Chemical Corporation
Motonobu Minagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...