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. 22, 2022
Filed:
Nov. 04, 2016
Applicant:
Teijin Frontier Co., Ltd., Osaka, JP;
Inventors:
Assignee:
TEIJIN FRONTIER CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2006.01); B01D 46/02 (2006.01); D04H 1/559 (2012.01);
U.S. Cl.
CPC ...
B01D 39/1623 (2013.01); B01D 46/02 (2013.01); D04H 1/559 (2013.01); B01D 2239/025 (2013.01); B01D 2239/0654 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1225 (2013.01); B01D 2239/1233 (2013.01);
Abstract
The prevent invention addresses the problem of providing a filter cloth for a bag filter, which has excellent collection efficiency, has excellent collection efficiency, provides low pressure drop and is resistant to clogging, and also has excellent dust-off ability; a method for producing the same; and a bag filter. As a means for resolution, a nonwoven fabric containing an ultrafine fiber having a fiber diameter D of 200 to 2,000 nm is laminated on a base material to form a filter cloth for a bag filter.