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:
Feb. 16, 1982
Filed:
Nov. 27, 1979
Applicant:
Inventors:
Assignee:
SKW Trostberg Aktiengesellschaft, Trostberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 58 ; 75 52 ; 75 53 ;
Abstract
Process and composition for desulfurizing pig iron in which the desulfurization agent consists essentially of calcium carbide, a gas-evolving component and fluorspar; the advantage of the process and composition is that it reduces dust pollution and danger of flaming in the handling of the slag after the desulfurization of pig iron.