Patent · US Expired

Sponge-iron powder

US5902373A · kind A · utility

6Cited by

5References

8Claims

0Family size

Assignee

HOGANAS AB

Inventors

Erik Vännman · Mölnlycke, SE
Lars-Ake Larsson · Lund, SE
Michael Ostgathe · Aidlingen, DE
Fritz Thummler · Karlsruhe, DE

Key dates

Filing date	Aug 29, 1995
Grant date	May 11, 1999
Priority date	—
Expiry date	Aug 29, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22C1/1084
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to a composition and a method for producing a finely ground powder of sponge-iron and hard-phase material.

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