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. 18, 2022
Filed:
Jun. 04, 2018
Applicant:
Toyobo Co., Ltd., Osaka, JP;
Inventors:
Assignee:
TOYOBO CO., LTD., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2006.01); D01F 8/14 (2006.01); D04H 3/011 (2012.01); D04H 3/16 (2006.01); B32B 5/02 (2006.01); D04H 3/007 (2012.01);
U.S. Cl.
CPC ...
D04H 3/011 (2013.01); D04H 3/16 (2013.01); B01D 2239/1233 (2013.01); B32B 5/022 (2013.01); D04H 3/007 (2013.01); D10B 2331/04 (2013.01);
Abstract
A long-fiber nonwoven fabric includes fibers having a birefringence (Δn) of more than or equal to 0.005 and less than or equal to 0.020 and an average fiber diameter of more than or equal to 30 μm and less than or equal to 60 μm, and has a basis weight amount of more than or equal to 50 g/mand less than or equal to 120 g/m, an average value of Gurley bending resistances in an MD direction and a CD direction according to JIS L1096 (2010) 8.22.1 Method A of more than or equal to 100 mg and less than or equal to 200 mg, and a value of the Gurley bending resistance in the MD direction/the Gurley bending resistance in the CD direction of less than or equal to 3.0.