The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 14, 2017
Filed:
May. 30, 2013
Applicant:
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Inventors:
Kazuhiro Obae, Tokyo, JP;
Masayuki Kakizawa, Tokyo, JP;
Mitsuo Yamashita, Tokyo, JP;
Shinji Matsui, Tokyo, JP;
Assignee:
ASAHI KASEI CHEMICALS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 1/02 (2006.01); C08J 3/12 (2006.01); A61K 9/14 (2006.01); A61K 47/38 (2006.01); B01D 1/18 (2006.01); F26B 5/00 (2006.01); A61K 9/16 (2006.01); A61K 9/20 (2006.01);
U.S. Cl.
CPC ...
A61K 9/146 (2013.01); A61K 47/38 (2013.01); B01D 1/18 (2013.01); C08J 3/122 (2013.01); C08L 1/02 (2013.01); F26B 5/00 (2013.01); A61K 9/1652 (2013.01); A61K 9/2054 (2013.01); C08J 2301/04 (2013.01); Y10T 428/2982 (2015.01);
Abstract
This cellulose powder has: an average degree of polymerization of 100 to 350; a weight average particle size of over 30 μm, but less than 250 μm; an apparent specific volume of 2 to less than 15 cm/g; and a particle size distribution sharpness of 1.5 to 2.9.