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:
Feb. 02, 1999
Filed:
Jul. 31, 1996
Applicant:
Inventors:
Kazuaki Nakagawa, Yokohama, JP;
Hideyuki Ohzu, Yokohama, JP;
Yoshihiro Akasaka, Kawasaki, JP;
Norihiro Tomimatsu, Kawasaki, JP;
Akiko Watanabe, Kawasaki, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; H01M / ;
U.S. Cl.
CPC ...
423230 ; 4234371 ; 429 17 ;
Abstract
A method is disclosed for selectively separating carbon dioxide gas by contacting the carbon dioxide containing gas with a composition containing lithium zirconia at a temperature of 450.degree. C. or more so that carbon dioxide reacts with the lithium zirconia to produce lithium carbonate and zirconia. Subjecting the lithium carbonate and zirconia to a temperature of 600.degree. C. or more so as to produce lithium zirconia and carbon dioxide.