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. 22, 1976
Filed:
Nov. 20, 1974
Applicant:
Inventors:
Evan Thomas Jones, Birmingham, EN;
Robert Anthony Fishburn, Birmingham, EN;
Assignee:
Foseco International Limited, Birmingham, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ; C22B / ;
U.S. Cl.
CPC ...
75 53 ; 75 58 ; 75 94 ;
Abstract
In steelmaking, the formation of a lime-based desulphurising slag is promoted by adding, with the lime, an additive including at least 20% by weight Al.sub.2 O.sub.3 and including one or more of oxide of iron, magnesium, manganese and titanium, and melting below 1600.degree.C.