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:
Oct. 26, 1999
Filed:
Jul. 08, 1997
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75610 ; 420416 ; 420590 ; 429 49 ;
Abstract
A method for reducing Carbon contained in hydrogen storage alloys recovered from negative electrodes of nickel/hydrogen storage alloy secondary batteries of misch metal and alloys thereof as raw materials of hydrogen storage alloys for negative electrodes of nickel/hydrogen secondary batteries by adding titanium or zirconium or oxides of these elements, and melting in an inert gas atmosphere or in vacuum.