Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naoaki Yamasaki0
Ichiro Ibuki0
Kazuhiro Obae0
Date of Patent
April 7, 2009
0Patent Application Number
105570520
Date Filed
May 28, 2004
0Patent Primary Examiner
Patent abstract
A cellulose powder which has an average degree of polymerization of 150 to 450, an average particle diameter of 30 to 250 μm, an apparent specific volume exceeding 7 cm3/g, and a retention of polyethylene glycol having a molecular weight of 400 to 190% or higher.
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