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Kazumi Konya
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Ihara, JP
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last 30 patents
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Process for preparation of black coloring materials and application...
Patent number
5,244,469
Issue date
Sep 14, 1993
Ihara Chemical Industry Co., Ltd.
Susumu Shimoyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...