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:
Feb. 26, 2013
Filed:
Jun. 30, 2005
Applicants:
Hirofumi Ono, Numazu, JP;
Mikihiko Nakamura, Fuji, JP;
Minoru Hayashi, Fuji, JP;
Inventors:
Assignee:
Asahi Kasei Kabushiki Kaisha, Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/00 (2006.01); D21C 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a cellulose nonwoven fabric containing cellulose fibers having a maximum fiber diameter of not more than 1500 nm and a crystallinity determined by solid state NMR techniques of not less than 60%. The porosity of the cellulose nonwoven fabric is not less than 40% and not more than 99%.