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:
Jul. 26, 1983
Filed:
Mar. 18, 1982
Applicant:
Inventors:
Albert Braun, Hurth, DE;
Willi Portz, Erftstadt, DE;
Georg Strauss, Erftstadt, DE;
Hans-Martin Delhey, Duisburg, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75 58 ; 75 53 ; 75257 ;
Abstract
The disclosure provides mixtures for the desulfurization of metal melts, especially steel and crude iron melts, based on CaC.sub.2 --CaO-crystal blends produced in the fused mass. More specifically, the mixtures contain free carbon and carbonate and have a portion of the CaO in the CaC.sub.2 --CaO-crystal blend hydrated to Ca(OH).sub.2. The disclosure also relates to a process for making the mixtures.