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:
Jul. 21, 2015
Filed:
Nov. 28, 2011
Applicants:
Youn Eung Lee, Daejeon, KR;
Jin Kyu Lee, Busan, KR;
Young Taek OH, Seoul, KR;
Inventors:
Assignee:
SHENZHEN WOTE ADVANCED MATERIALS CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2006.01); D04H 1/435 (2012.01); D04H 1/56 (2006.01); D04H 3/16 (2006.01); D04H 1/4382 (2012.01); D04H 1/728 (2012.01);
U.S. Cl.
CPC ...
B01D 39/163 (2013.01); D04H 1/435 (2013.01); D04H 1/4382 (2013.01); D04H 1/56 (2013.01); D04H 1/728 (2013.01); D04H 3/16 (2013.01);
Abstract
Disclosed are a fiberweb, a preparation method thereof, and a filter including the fiberweb. The fiberweb includes a wholly aromatic liquid crystal polyester resin which includes a repeating unit induced from a hydroxybenzoic acid and a repeating unit induced from a hydroxynaphthoic acid, but does not include a repeating unit induced from an aromatic dicarboxylic acid.