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:
May. 04, 1993
Filed:
Oct. 23, 1990
Applicant:
Inventors:
Jean-Paul Guerlet, Paris, FR;
Dan Weber, Presles, FR;
Sophie Coupez, Paris, FR;
Claude Lambert, Saint-Witz, FR;
Assignee:
Comptoir Lyon-Alemand Louyot, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148431 ; 428614 ; 200266 ; 75234 ;
Abstract
The present invention relates to novel materials based on silver and tin oxide for the production of electrical contacts as well as the electrical contacts thus produced. According to the invention, these materials contain at least 6% by weight of tin oxide and from 0.02 to 5% by weight of tellurium oxide; the total content by weight of metal oxides, with the exclusion of tellurium oxide, does not exceed 15%, the balance being made up by silver. Application: manufacture of electrical equipment.