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. 13, 2018
Filed:
Apr. 11, 2008
Applicant:
Kenji Inagaki, Ibaraki, JP;
Inventor:
Kenji Inagaki, Ibaraki, JP;
Assignee:
Teijin Fibers Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/02 (2006.01); D04H 5/06 (2006.01); B32B 5/00 (2006.01); D01F 6/62 (2006.01); B01D 39/16 (2006.01); D01F 8/04 (2006.01); D01F 8/14 (2006.01); D21H 13/24 (2006.01); D21H 15/02 (2006.01); D21H 27/08 (2006.01);
U.S. Cl.
CPC ...
D01F 6/62 (2013.01); B01D 39/1623 (2013.01); D01F 8/04 (2013.01); D01F 8/14 (2013.01); D21H 13/24 (2013.01); D21H 15/02 (2013.01); D21H 27/08 (2013.01); B01D 2239/064 (2013.01); Y10T 442/609 (2015.04);
Abstract
The present invention is a wet type nonwoven fabric that includes two or more kinds of fibers, wherein the wet type nonwoven fabric includes a short fiber A that is constituted of a fiber-forming thermoplastic polymer and has a fiber diameter D of from 100 to 1000 nm and the ratio of a fiber length L to the fiber diameter D, L/D, in the range of from 100 to 2500 in from 4 to 50% by weight relative to the total weight of the nonwoven fabric, and a binder fiber B that has a single fiber fineness of 0.1 dtex or less in from 10 to 50% by weight relative to the total weight of the nonwoven fabric.