US Patent 7514552 Cellulose powder
Patent 7514552 was granted and assigned to Asahi Kasei on April, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Ichiro Ibuki0
Kazuhiro Obae0
Naoaki Yamasaki0
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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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US Patent 07514552 Cellulose powder US Patent 7514552 Cellulose powder
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Patent Number
075145520
Patent Number
75145520
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
075145520
Date of Patent
April 7, 2009
0Patent Application Number
105570520
Date Filed
May 28, 2004
0Official Website
Patent Primary Examiner
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US Patent 07514552 Cellulose powder
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07514552
Date of patent
April 7, 2009
Patent application number
10557052
Date Filed
May 28, 2004
Patent primary examiner
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