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. 25, 2019
Filed:
Dec. 08, 2016
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/10 (2006.01); B32B 5/02 (2006.01); B01D 39/16 (2006.01); C12N 5/00 (2006.01);
U.S. Cl.
CPC ...
B32B 5/022 (2013.01); B01D 39/163 (2013.01); C12N 5/0068 (2013.01); B01D 2239/065 (2013.01); B01D 2239/0618 (2013.01); B01D 2239/0622 (2013.01); B01D 2239/0636 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1233 (2013.01); B32B 2305/026 (2013.01);
Abstract
A nonwoven fabric contains a plurality of fibers having average fiber diameter Din a range from 10 nm to 3 μm, inclusive. The nonwoven fabric has a plurality of fusion portions among the plurality of fibers. The nonwoven fabric has a first principal surface and a second principal surface on an opposite side to the first principal surface. Average number Nh of the fusion portions observed per 500 μmon the first principal surface is six or more.