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:
Aug. 08, 2017
Filed:
Jun. 28, 2013
Toray Industries, Inc., Tokyo, JP;
Yoshiki Okamoto, Otsu, JP;
Masakazu Koiwa, Otsu, JP;
Hiroyuki Yamada, Otsu, JP;
Kentaro Takagi, Otsu, JP;
Hiroho Hirozawa, Otsu, JP;
Tsuyoshi Hamada, Otsu, JP;
Masahiro Kimura, Otsu, JP;
Toray Industries, Inc., Tokyo, JP;
Abstract
A separation membrane element includes a water collecting pipe, a separation membrane main body having a feed-side face and a permeate-side face, a feed-side channel material and permeate-side channel materials. The separation membrane main body, the feed-side channel material and the permeate-side channel materials are spirally wound around the water collecting tube. A plurality of the permeate-side channel materials are discontinuously provided on the permeate-side face of the separation membrane main body, along a first direction that is a longitudinal direction of the water collecting pipe. The feed-side channel material has a thickness of from 0.15 to 0.5 mm.