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:
Jan. 17, 1978
Filed:
Sep. 19, 1975
Applicant:
Inventors:
William A Ahrendt, Charlotte, NC (US);
David C Meissner, Charlotte, NC (US);
Assignee:
Midrex Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
21 / ; 75 / ; 427216 ;
Abstract
A method for inhibiting rusting of sponge iron or any form of directly reduced iron when contacted by air, water, or other oxidant, by treating the sponge iron with a water soluble alkali metal silicate solution. The resulting product, a sodium silicate treated, rust-resistant metallized iron pellet, is also disclosed.