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.

Date of Patent:
Jul. 20, 2021

Filed:

Oct. 24, 2017
Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Yoshiki Okamoto, Shiga, JP;

Akshay Garg, Shiga, JP;

Kentarou Takagi, Shiga, JP;

Hiroho Hirozawa, Shiga, JP;

Tamotsu Kitade, Shiga, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 63/06 (2006.01); B01D 63/00 (2006.01); B01D 63/10 (2006.01); C02F 1/44 (2006.01); B32B 1/08 (2006.01);
U.S. Cl.
CPC ...
B01D 63/06 (2013.01); B01D 63/00 (2013.01); B01D 63/10 (2013.01); B32B 1/08 (2013.01); C02F 1/44 (2013.01);
Abstract

According to the present invention, even when a high recovery ratio operation is performed, the influence of concentration of ingredients to be separated in the feed fluid can be reduced, the concentration polarization can be prevented by increasing the turbulence effect on the membrane surface, and the fluid permeation performance and the separation performance of the separation membrane element can be maintained.


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