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:
Jun. 29, 1993
Filed:
Feb. 13, 1992
Applicant:
Inventors:
Michael H Blenk, Youngstown, NY (US);
Russell B Diemer, Jr, Hockessin, DE (US);
John P Hager, Golden, CO (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75702 ;
Abstract
A process for using iron metal or an iron-containing sulfide reagent as a co-additive to extend the usefulness of sodium in refining crude lead bullion.
Blenk, Michael. (1993). Iron as a co-additive in refining crude lead bullion (U.S. Patent No. 5223021). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5223021
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile