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. 12, 2021
Filed:
Sep. 30, 2015
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Gohei Yamamura, Otsu, JP;
Koichi Takada, Otsu, JP;
Ryuichiro Hiranabe, Otsu, JP;
Hiroki Tomioka, Otsu, JP;
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 71/18 (2006.01); C02F 1/44 (2006.01); B01D 61/00 (2006.01); B01D 61/02 (2006.01); B01D 69/08 (2006.01); B01D 71/52 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
B01D 71/18 (2013.01); B01D 61/00 (2013.01); B01D 61/02 (2013.01); B01D 69/08 (2013.01); B01D 71/52 (2013.01); C02F 1/44 (2013.01); C02F 2103/08 (2013.01);
Abstract
The present invention provides a separation membrane having excellent separation performance and permeation performance, having high membrane strength, and mainly including a cellulose-based resin. The present invention relates to a separation membrane containing a cellulose ester and having a tensile elasticity of 1,500 to 6,500 MPa.