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last 30 patents
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Patent Grant
Process for the production of resins for printing ink
Patent number
4,028,291
Issue date
Jun 7, 1977
Nippon Oil Company Ltd.
Shozo Tsuchiya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing resins for printing inks
Patent number
3,984,381
Issue date
Oct 5, 1976
Nippon Oil Company Ltd.
Shozo Tsuchiya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of a resin
Patent number
3,957,736
Issue date
May 18, 1976
Nippon Oil Company Ltd.
Shozo Tsuchiya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing paper size resin
Patent number
3,953,407
Issue date
Apr 27, 1976
Nippon Oil Co., Ltd.
Hideo Hayashi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE