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:
Mar. 22, 1983
Filed:
Oct. 30, 1981
Applicant:
Inventors:
Frank E Parsen, Weston, MA (US);
Eleanor J Rossler, Lorne Park, CA;
Assignee:
Duracell Inc., Bethel, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429198 ; 429 50 ; 429 57 ; 296231 ;
Abstract
Corrosion and hydrogen evolution in a current-producing cell possessing a predominantly zinc anode and an aqueous alkaline or acidic electrolyte is significantly inhibited by the addition to said cell of a zinc corrosion and hydrogen evolution-inhibiting amount of at least one chelating agent selected from the group consisting of aminocarboxylic acid, polyamine and aminoalcohol.