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. 14, 2002
Filed:
Mar. 16, 2000
Applicant:
Inventors:
Kato Masahiro, Naka-gun, JP;
Kazuaki Nakagawa, Yokohama, JP;
Toshiyuki Ohashi, Kawasaki, JP;
Sawako Yoshikawa, Yokohama, JP;
Kenji Essaki, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/010 ; C01B 3/332 ;
U.S. Cl.
CPC ...
B01J 2/010 ; C01B 3/332 ;
Abstract
Disclosed is a carbon dioxide gas absorbent containing lithium silicate reacting with a carbon dioxide gas to form lithium carbonate and represented by the general formula, Li Si O , where x, y, z are integers meeting the requirement of x+4y−2z=0. The lithium content x in the general formula should desirably be at least 4.