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:
Jan. 26, 1999
Filed:
Oct. 29, 1997
Applicant:
Inventors:
Kazuaki Ado, Ikeda, JP;
Mitsuharu Tabuchi, Ikeda, JP;
Hiroyuki Kageyama, Ikeda, JP;
Osamu Nakamura, Ikeda, JP;
Assignee:
Agency of Industrial Science & Technology, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ; C01G / ; C01D / ;
U.S. Cl.
CPC ...
423138 ; 4231795 ; 423596 ;
Abstract
A process for preparing LiFeO.sub.2 having a layered rock salt type structure is characterized in that at least one member selected from the group consisting of water-soluble iron salts, iron hydroxides, iron oxide hydroxides, and metallic iron is subjected to a hydrothermal treatment in an aqueous solution containing lithium hydroxide and at least one of sodium hydroxide and potassium hydroxide at 130.degree. to 300.degree. C.