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.:

US 7135604 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 14, 2006

Filed:

Jun. 25, 2003
Applicants:

Zhong Yi Ding, Houston, TX (US);

James Richardson Lattner, Seabrook, TX (US);

David Ritchie Lumgair, Jr., Craddockville, VA (US);

Jeffrey Alan Kabin, Houston, TX (US);

Inventors:

Zhong Yi Ding, Houston, TX (US);

James Richardson Lattner, Seabrook, TX (US);

David Ritchie Lumgair, Jr., Craddockville, VA (US);

Jeffrey Alan Kabin, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/00 (2006.01); C07C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is a process for removal of carbon dioxide from a reactor effluent stream comprising water, carbon dioxide and olefin(s), where a portion of the carbon dioxide is removed in a quenching step with a quench medium and more carbon dioxide is removed by contacting the quenched effluent stream with an alkaline stream. A portion of the alkaline stream is added to the quench medium.


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