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Toshiharu Okumichi
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Amagasaki, JA
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Patents Grants
last 30 patents
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Patent Grant
Process for preparing stable aqueous dispersions of rosin-base mate...
Patent number
4,071,375
Issue date
Jan 31, 1978
Arakawa Rinsan Kagaku Kogyo Kabushiki Kaisha
Shuhei Ishibe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Novel resins and manufacturing the same
Patent number
3,944,532
Issue date
Mar 16, 1976
Arkawa Rinsan Kagaku Kogyo Kabushiki Kaisha
Shuhei Ishibe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE