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Noriaki Ikeda
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Himeji, JP
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last 30 patents
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Patent Grant
Process for preparing a ceric ion-containing aqueous acid solution
Patent number
5,385,648
Issue date
Jan 31, 1995
Nippon Shokubai Co., Ltd.
Noboru Sugishima
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for preparation of 2-substituted 1,4-naphthoquinone
Patent number
5,329,026
Issue date
Jul 12, 1994
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Noboru Sugishima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 1-aminoanthraquinones
Patent number
5,213,665
Issue date
May 25, 1993
Nippon Shokubai Kagaku Kogyo, Co., Ltd.
Noboru Sugishima
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for producing 1-aminoanthraquinones
Patent number
5,149,848
Issue date
Sep 22, 1992
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Noboru Sugishima
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for production of 1-aminoanthraquinone
Patent number
4,840,749
Issue date
Jun 20, 1989
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Noriaki Ikeda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Catalyst for production of phthalic anhydride
Patent number
4,356,112
Issue date
Oct 26, 1982
Nippon Shukubai Kagaku Kogyo Co. Ltd.
Yoshiyuki Nakanishi
C07 - ORGANIC CHEMISTRY