US Patent 7744725 Paper quality improver
Patent 7744725 was granted and assigned to Kao Corporation on June, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An additive for internal addition, which improves the paper qualities of a pulp sheet, such as stiffness and bulk which includes a polymer emulsion containing a natural cationic polymer (A) or synthetic cationic polymer (A′) and polymer particles (B) containing vinyl monomer-derived structural units.
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Patent Inventor Names
Hiromichi Takahashi0
Kazuo Kubota0
Yoshihiro Hasebe0
Zenbei Meiwa0
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US Patent 07744725 Paper quality improver US Patent 7744725 Paper quality improver
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Patent Number
07744725
Patent Number
7744725
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Official Website
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US Patent 07744725 Paper quality improver
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07744725
Date of patent
June 29, 2010
Patent application number
10525458
Date Filed
August 27, 2003
Patent primary examiner
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