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:
Sep. 08, 2020
Filed:
Apr. 15, 2016
Applicant:
Elkem As, Oslo, NO;
Inventor:
Matthew Liptak, Ooltewah, TN (US);
Assignee:
ELKEM ASA, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 33/00 (2006.01); C21C 1/08 (2006.01); C22C 33/08 (2006.01); C22C 37/10 (2006.01);
U.S. Cl.
CPC ...
C21C 1/08 (2013.01); C22C 33/08 (2013.01); C22C 37/10 (2013.01);
Abstract
A ferrosilicon inoculant for gray cast iron containing between 0.1 to 10% by weight strontium, less than 0.35% by weight calcium, 1.5 to 10% by weight aluminum and 0.1 to 15% zirconium, The inoculant, method for producing the inoculant, method for inoculating the melt and a gray cast iron inoculated with the inoculant are covered.