Patent · US Expired

Composition for desulfurizing iron melts

US4049442A · kind A · utility

6Cited by

2References

8Claims

0Family size

Assignee

Suddeutsche Kalkstickstoff-Werke · DE

Inventors

Alfred Freissmuth · Hadermarkt, AT
Walter Heinl
Herbert Knahl
Erich Pfluger · Trostberg, DE

Key dates

Filing date	Jan 6, 1976
Grant date	Sep 20, 1977
Priority date	—
Expiry date	Jan 6, 1996

Classification

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

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.

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