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Yohji Akazawa
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Himeji, JP
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last 30 patents
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Patent Grant
Process for the production of acrylic acid
Patent number
5,785,821
Issue date
Jul 28, 1998
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
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Patent Grant
Polymerization inhibitor and inhibiting method for vinyl compound
Patent number
5,371,280
Issue date
Dec 6, 1994
Nippon Shokubai Co., Ltd.
Hidefumi Haramaki
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for producing spherical fine particles of colored resin
Patent number
5,288,790
Issue date
Feb 22, 1994
Nippon Shokubai Co., Ltd.
Saburo Nakahara
C01 - INORGANIC CHEMISTRY