Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiromichi Takahashi0
Zenbei Meiwa0
Yoshihiro Hasebe0
Kazuo Kubota0
Date of Patent
June 29, 2010
Patent Application Number
10525458
Date Filed
August 27, 2003
Patent Primary Examiner
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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