Patent · US Expired

Desulfurization agent

US4430118A · kind A · utility

2Cited by

1References

16Claims

0Family size

Assignee

SKW Trostberg Aktiengesellschaft · DE

Inventors

Alfred Freissmuth · Hadermarkt, AT
Werner Gmohling · Hufschlag, DE
Walter Meichsner · Krefeld, DE

Key dates

Filing date	Sep 29, 1982
Grant date	Feb 7, 1984
Priority date	—
Expiry date	Sep 29, 2002

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC21C1/025
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present invention provides a desulphurizing agent, especially for iron melts, based upon calcium carbide and diamide lime, wherein it contains a diamide lime which has been post-treated by flotation or air sifting. The diamide lime used preferably contains 18 to 40% of free carbon.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.