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. 06, 1976
Filed:
May. 08, 1974
Applicant:
Inventors:
Georg Zimmermann, Gerlingen, DT;
Manfred Schonborn, Gerlingen, DT;
Horst Magenau, Stuttgart, DT;
Horst Jahnke, Gerlingen, DT;
Brunhilde Becker, Stuttgart, DT;
Assignee:
Robert Bosch G.m.b.H., Stuttgart, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ; B01J / ;
U.S. Cl.
CPC ...
136 / ; 1361 / ; 2524 / ;
Abstract
A stable oxygen electrode which is in an active state and retains said activity for a long service life. The electrode comprises an electrode carrier and an activated transition metal chelate of 5,14-dihydrodibenzo(5,9,14,18)tetraaza(14)annulene. Said metal chelate is activated by heating in an inner gas atmosphere at a temperature of between about 600.degree. and 1000.degree.C for at least 5 minutes.