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Hisanobu Urahata
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Tokyo, JP
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last 30 patents
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Patent Grant
Reaction product of sulfonated amino resin and amino group-containi...
Patent number
5,989,391
Issue date
Nov 23, 1999
Nissan Chemical Industries, Ltd.
Yoshitane Watanabe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE