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:
Dec. 25, 2018
Filed:
Jan. 29, 2015
Toray Industries, Inc., Tokyo, JP;
Yoshie Marutani, Shiga, JP;
Hiroyuki Yamada, Shiga, JP;
Hiroho Hirozawa, Shiga, JP;
Kentaro Takagi, Shiga, JP;
Yoshiki Okamoto, Shiga, JP;
Shunsuke Tabayashi, Ehime, JP;
Hiroshi Umetani, Shiga, JP;
Akira Katayama, Ehime, JP;
Takao Sasaki, Shiga, JP;
Masahiro Kimura, Shiga, JP;
TORAY INDUSTRIES, INC., Tokyo, JP;
Abstract
The present invention provides a separation membrane and a separation membrane element capable of exhibiting a good water production performance even at a high temperature and also excellent handleability and quality. The separation membrane of the present invention includes a separation membrane main body having a feed-side face and a permeate-side face; and a permeate-side channel member fixed onto the permeate-side face of the separation membrane main body, and the permeate-side channel member includes polypropylene as a main component and satisfies the following requirements (a) to (c): (a) a softening point temperature is 60° C. or higher; (b) a tensile elongation in a standard state is 10% or more; and (c) a yield point stress under a wet condition at 50° C. is 2 MPa or more.