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. 20, 1977
Filed:
Jan. 06, 1976
Applicant:
Inventors:
Alfred Freissmuth, Trostberg, DT;
Walter Heinl, Garching, DT;
Herbert Knahl, Trostberg, DT;
Erich Pfluger, Trostberg, DT;
Assignee:
Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft, Trostberg, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 55 ; 75 53 ; 75 58 ;
Abstract
Iron melts, particularly iron melts made by the torpedo ladle method, can be efficiently desulfurized by adding thereto a mixture of calcium carbide and diamide lime wherein the content of diamide lime is from 40 to 70% by weight of the desulfurizing composition.