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:
Dec. 26, 2000
Filed:
Nov. 12, 1998
Applicant:
Inventors:
Masahiro Yoshimura, Kanagawa Pref., JP;
Kyoo-Seung Han, Kanagawa Pref., JP;
Assignee:
Tokyo Institute of Technology, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
4284721 ; 148 95 ; 428472 ; 4284722 ; 205333 ;
Abstract
In the formation of a double oxide film of Li element and a metal element other than Li element, a metal body of the metal element selected from the group consisting of Ni, Co, V, Fe, Cr and Al is immersed in an alkaline solution containing Li ion to conduct a hydrothermal reaction between the metal body and Li ion, whereby a double oxide film is formed on the surface of the metal body.