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. 21, 1978
Filed:
Mar. 18, 1977
Applicant:
Inventors:
Herman P Meissner, Winchester, MA (US);
Frank C Schora, Palatine, IL (US);
Assignee:
Institute of Gas Technology, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 77 ; 75-9 ; 75 23 ;
Abstract
A process for production of lead from lead sulfide containing material wherein the lead sulfide containing material and oxygen containing gas is introduced into the headspace of a reactor. The formed lead drops to a pool in the bottom portion of the reactor and unreacted lead sulfide and formed lead oxide float in the slag on the surface of the lead pool. Droplets of lead and slag from the pool are maintained throughout the headspace by droplet generating wheels or nozzles.