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:
Sep. 26, 2000
Filed:
Sep. 10, 1998
Applicant:
Inventors:
Munetoshi Yamaguchi, Takehara, JP;
Koichi Numata, Takehara, JP;
Assignee:
Mitsui Mining & Smelting Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ; H01M / ;
U.S. Cl.
CPC ...
423599 ; 423605 ; 429224 ;
Abstract
A process for producing a lithium manganate for lithium secondary batteries comprising mixing a manganese compound and a lithium compound, firing the mixture at 1000 to 1500.degree. C., mixing the resulting complex oxide with a lithium compound, and firing the mixture at 600 to 800.degree. C.