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:
May. 24, 2022
Filed:
May. 02, 2014
Applicant:
Teijin Limited, Osaka, JP;
Inventors:
Takao Ohno, Ehime, JP;
Kouji Furuya, Ehime, JP;
Assignee:
TEIJIN LIMITED, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/26 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 69/10 (2006.01);
U.S. Cl.
CPC ...
B01D 71/26 (2013.01); B01D 67/0027 (2013.01); B01D 67/0032 (2013.01); B01D 69/02 (2013.01); B01D 69/10 (2013.01); B01D 2325/02 (2013.01); B01D 2325/04 (2013.01); B01D 2325/20 (2013.01); B01D 2325/22 (2013.01); B01D 2325/24 (2013.01); B01D 2325/30 (2013.01);
Abstract
A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 1.21 to 2.90 ml/min·cm, the polyolefin microporous membrane having a bubble point of 0.40 MPa to 0.65 MPa, the polyolefin microporous membrane having a compressibility of less than 15%.