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:
Feb. 28, 1978
Filed:
Jul. 15, 1976
Applicant:
Inventor:
Toshihiro Yuki, Saganoseki, JA;
Assignee:
Nihon Kogyo Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 77 ; 75-7 ; 75 83 ; 75120 ;
Abstract
A process is provided for obtaining lead bullion by the reduction of sintered ore which is produced by sintering materials including lead concentrate, said process being characterized in that zinc removed tailings are mixed into said materials, whereby the productivity of the pyrometallurgical lead refining may be improved and valuable metals may also be recovered from the zinc removed tailings.