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. 08, 1979
Filed:
May. 01, 1978
Applicant:
Inventors:
Lloyd T Crasto, Baton Rouge, LA (US);
Robert H Jones, Baton Rouge, LA (US);
John C Klock, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 77 ; 75 24 ;
Abstract
A process for the recovery of lead from lead by-product materials, including lead-containing slag and other lead-containing waste materials, in a rotary smelting furance using an active alkali metal mixture by-product as a reductant and flux.