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. 07, 2020

Filed:

May. 27, 2016
Applicant:

Sumitomo Chemical Company, Limited, Tokyo, JP;

Inventors:

Nobutaka Kodama, Osaka, JP;

Cui Liang, Osaka, JP;

Hisaaki Miyamoto, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 63/10 (2006.01); B01D 69/10 (2006.01); B01D 69/12 (2006.01);
U.S. Cl.
CPC ...
B01D 63/10 (2013.01); B01D 53/22 (2013.01); B01D 69/10 (2013.01); B01D 69/12 (2013.01);
Abstract

A spiral-wound acid gas separation membrane element () includes a wound body including a separation membrane (), a feed-side channel component (), and a permeate-side channel component () wound in a laminated state around a core tube (). The core tube () has a group of holes for allowing communication between a permeate-side spatial portion defined by the permeate-side channel component () and a spatial portion inside the core tube (), the group of holes being present on an end side of the core tube ().


Find Patent Forward Citations

Loading…