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Yasuharu Tanakamaru
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Kyoto, JP
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last 30 patents
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Patent Grant
Sizing agent suitable for use in paper making
Patent number
4,666,523
Issue date
May 19, 1987
Dai-chi Kogyuo Seiyaku Co., Ltd.
Kinya Yokota
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE