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:
Jan. 08, 2019
Filed:
May. 27, 2016
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Koji Motomura, Osaka, JP;
Hiroto Sumida, Nara, JP;
Takahiro Kurokawa, Tokyo, JP;
Taichi Nakamura, Osaka, JP;
Takayoshi Yamaguchi, Osaka, JP;
Takatoshi Mitsushima, Nara, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2006.01); B32B 5/02 (2006.01); B32B 7/12 (2006.01); B32B 5/08 (2006.01); B32B 5/26 (2006.01); B32B 7/02 (2006.01); B32B 7/14 (2006.01); B32B 37/00 (2006.01); B32B 37/24 (2006.01); B32B 37/12 (2006.01);
U.S. Cl.
CPC ...
B01D 39/1623 (2013.01); B32B 5/022 (2013.01); B32B 5/08 (2013.01); B32B 5/26 (2013.01); B32B 7/02 (2013.01); B32B 7/12 (2013.01); B32B 7/14 (2013.01); B32B 37/0053 (2013.01); B32B 37/24 (2013.01); B01D 2239/0435 (2013.01); B01D 2239/1208 (2013.01); B01D 2239/1233 (2013.01); B32B 2037/1215 (2013.01); B32B 2037/243 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2262/02 (2013.01); B32B 2262/0238 (2013.01); B32B 2262/0284 (2013.01); B32B 2262/0292 (2013.01); B32B 2262/14 (2013.01); B32B 2305/20 (2013.01); B32B 2307/20 (2013.01); B32B 2307/724 (2013.01); B32B 2307/732 (2013.01);
Abstract
A laminated nonwoven fabric includes a first nonwoven fabric and a second nonwoven fabric. The first nonwoven fabric contains charged first fibers. The second nonwoven fabric contains second fibers, and is laminated on the first nonwoven fabric. A fiber diameter of the first fibers is larger than a fiber diameter of the second fibers.