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Shinichi Hasegawa
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Otsu, JP
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last 30 patents
Information
Patent Grant
Process for producing phloroglucin
Patent number
4,469,899
Issue date
Sep 4, 1984
Sumitomo Chemical Company, Limited
Makoto Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing phloroglucin
Patent number
4,463,199
Issue date
Jul 31, 1984
Sumitomo Chemical Company, Limited
Tsutomu Chiyoda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying phloroglucin
Patent number
4,463,197
Issue date
Jul 31, 1984
Sumitomo Chemical Company, Limited
Makoto Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing 1,3,5-triisopropylbenzene trihydroperoxides
Patent number
4,455,440
Issue date
Jun 19, 1984
Sumitomo Chemical Company, Limited
Tsutomu Chiyoda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-Substituted-4,6-di-t-butylresorcinol
Patent number
4,398,047
Issue date
Aug 9, 1983
Sumitomo Chemical Company, Limited
Yukihisa Takisawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for purification of phenylhydrazine
Patent number
4,352,941
Issue date
Oct 5, 1982
Sumitomo Chemical Company, Limited
Shinichi Hasegawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of resorcinol derivatives
Patent number
4,337,370
Issue date
Jun 29, 1982
Sumitomo Chemical Company, Limited
Yukihisa Takisawa
C07 - ORGANIC CHEMISTRY