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:
Apr. 16, 1985
Filed:
Mar. 12, 1984
Applicant:
Inventor:
Gloria M Faulring, Niagara Falls, NY (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75129 ; 7513 / ;
Abstract
Process for producing tool steel wherein a vandadium additive consisting essentially of chemically prepared, substantially pure V.sub.2 O.sub.3 is added to a molten steel having a carbon content above about 0.35 wt. % and containing silicon in an amount of from about 0.15 to about 3.0 wt. % and wherein a slag covering the molten steel contains CaO and SiO.sub.2 in a weight ratio (CaO/SiO.sub.2) which is equal to or greater than unity.
Faulring, Gloria. (1985). Production of tool steels using chemically prepared v.sub.2 o.sub.3 as a (U.S. Patent No. 4511400). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4511400
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile