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:
Mar. 21, 2017
Filed:
Dec. 27, 2011
Applicants:
Masakazu Koiwa, Otsu, JP;
Kentaro Takagi, Otsu, JP;
Hiroho Hirozawa, Otsu, JP;
Yoshiki Okamoto, Otsu, JP;
Masahiro Kimura, Otsu, JP;
Inventors:
Masakazu Koiwa, Otsu, JP;
Kentaro Takagi, Otsu, JP;
Hiroho Hirozawa, Otsu, JP;
Yoshiki Okamoto, Otsu, JP;
Masahiro Kimura, Otsu, JP;
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 63/10 (2006.01); B01D 69/12 (2006.01); B01D 65/00 (2006.01); B01D 67/00 (2006.01);
U.S. Cl.
CPC ...
B01D 63/103 (2013.01); B01D 65/003 (2013.01); B01D 67/0088 (2013.01); B01D 69/12 (2013.01); B01D 2313/04 (2013.01); B01D 2313/143 (2013.01); B01D 2323/46 (2013.01);
Abstract
A spiral separation membrane element includes a water collection tube; a separation membrane wound around the water collection tube, having a feed-side surface and a permeate-side surface, and including a band-shaped region on at least one end of the feed-side surface in an axial direction of the water collection tube; and a channel material fused to the band-shaped region.