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:
May. 05, 2009
Filed:
Apr. 20, 2006
Applicants:
Daniel Chinn, Bay Point, CA (US);
DE Q. VU, Bakersfield, CA (US);
Michael S. Driver, San Francisco, CA (US);
Laura C. Boudreau, Houston, TX (US);
Inventors:
Daniel Chinn, Bay Point, CA (US);
De Q. Vu, Bakersfield, CA (US);
Michael S. Driver, San Francisco, CA (US);
Laura C. Boudreau, Houston, TX (US);
Assignee:
Chevron U.S.A. Inc., San Ramon, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process and method for separating COfrom a gaseous stream such as natural gas. An ionic liquid comprising an anion having a carboxylate function and an effective amount of water is used as an adsorbent to selectively complex the COyielding a gaseous stream with a greatly reduced COcontent. The ionic liquid can then be readily be regenerated and recycled.