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. 01, 1976
Filed:
Jun. 19, 1975
Applicant:
Inventors:
James D Evans, Middletown, OH (US);
William R Long, Jr, Renfrew, PA (US);
Assignee:
Armco Steel Corporation, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148111 ; 148 3155 ; 148110 ; 148112 ; 7512 / ; 7512 / ; 75129 ;
Abstract
A melt for cold rolled, non-oriented silicon steel is deoxidized and thereafter treated with mischmetal or a mischmetal alloy to desulfurize the melt to 0.012% by weight sulfur or less without the formation of a polluting smoke. The deoxidation is carried out to the extent that, and the mischmetal is added in an amount such that, the melt composition, has a total cerium content of up to about 400 ppm. and preferably from about 75 to about 250 ppm.