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:
Jun. 28, 2022
Filed:
Jan. 29, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Tomoko Kawashima, Osaka, JP;
Haruka Kusukame, Nara, JP;
Takahiro Aoki, Osaka, JP;
Yuko Taniike, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/70 (2006.01); A61K 47/38 (2006.01); C08L 1/02 (2006.01); A61L 27/20 (2006.01); A61Q 19/00 (2006.01); A61K 8/02 (2006.01); A61K 8/73 (2006.01); B32B 23/00 (2006.01); C08J 5/18 (2006.01); A61L 15/00 (2006.01); C08B 16/00 (2006.01);
U.S. Cl.
CPC ...
A61K 47/38 (2013.01); A61K 8/0216 (2013.01); A61K 8/731 (2013.01); A61L 15/00 (2013.01); A61L 27/20 (2013.01); A61Q 19/00 (2013.01); B32B 23/00 (2013.01); C08B 16/00 (2013.01); C08J 5/18 (2013.01); C08L 1/02 (2013.01); C08J 2301/02 (2013.01); C08L 2203/02 (2013.01); Y02P 20/54 (2015.11);
Abstract
A cellulose membrane according to an embodiment of the present disclosure is a self-supporting cellulose membrane having a thickness of between 20 nm and 1300 nm, inclusive, composed of regenerated cellulose having a weight average molecular weight of 150,000 or more.