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:
Jan. 22, 2019

Filed:

Dec. 21, 2015
Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Hiroho Hirozawa, Otsu, JP;

Hiroshi Ogawa, Otsu, JP;

Kenji Hayashida, Otsu, JP;

Masanori Endo, Otsu, JP;

Masashi Ito, Otsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 63/10 (2006.01); B01D 63/00 (2006.01);
U.S. Cl.
CPC ...
B01D 63/10 (2013.01); B01D 63/00 (2013.01); B01D 2325/02 (2013.01); B01D 2325/04 (2013.01);
Abstract

A separation membrane element of the present invention includes: a separation membranes each having a feed-side face and a permeate-side face and forming a separation membrane pair by being arranged so that the permeate-side faces face each other; and a permeate-side channel material provided between the permeate-side faces of the separation membranes, the permeate-side channel material includes a sheet and a plurality of projections formed on the sheet, the sheet is a porous sheet having pores on a surface thereof, and has densely fused parts, coarsely fused parts and non-fused parts on the surface, and the projections contain a resin, and a part of the resin is impregnated into the pores of the sheet.


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