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:
Apr. 17, 1984
Filed:
Jun. 30, 1982
Applicant:
Inventors:
Gerard Dalibard, Sevres, FR;
Nicole Viaud, Ville d'Avray, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
420573 ; 420567 ; 420568 ; 420569 ; 420570 ; 420571 ; 420572 ; 429245 ;
Abstract
The grain size and resistance to corrosion of lead-antimony alloys containing less than 4% of antimony and 0.005 to 0.1% copper, are improved by incorporating therein from 0.001 to 0.1% of a mixture of rare earths, preferably misch metal. The alloys may also contain up to 0.5% arsenic or up to 0.8% of tin.