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. 18, 2025
Filed:
Jul. 09, 2019
Applicants:
National Institute for Materials Science, Tsukuba, JP;
Nippon Zoki Pharmaceutical Co., Ltd., Osaka, JP;
Inventors:
Koichiro Uto, Tsukuba, JP;
Mitsuhiro Ebara, Tsukuba, JP;
Mitsuru Naiki, Kato, JP;
Takafumi Konishi, Osaka, JP;
Hitoshi Yamamoto, Ono, JP;
Assignees:
NATIONAL INSTITUTE FOR MATERIALS SCIENCE, Tsubaka, JP;
NIPPON ZOKI PHARMACEUTICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/728 (2012.01); C08L 67/04 (2006.01); D01D 5/00 (2006.01); D01F 6/62 (2006.01); D04H 1/435 (2012.01); D04H 1/55 (2012.01);
U.S. Cl.
CPC ...
D04H 1/728 (2013.01); C08L 67/04 (2013.01); D01D 5/0007 (2013.01); D01F 6/62 (2013.01); D01F 6/625 (2013.01); D04H 1/435 (2013.01); D04H 1/55 (2013.01); D10B 2331/04 (2013.01); D10B 2401/12 (2013.01);
Abstract
A non-woven fabric including fibers including an aliphatic polyester that has at least two maximum values in a molecular weight distribution thereof, wherein the fibers have a fiber diameter falling within the range of 100 to 3000 nm. The non-woven fabric of the present invention has excellent biodegradability.