Patent · US Expired

Hard material sintered compact with a nickel- and cobalt-free, nitrogenous steel as binder of the hard phase

US6641640B1 · kind B1 · utility

26Cited by

18References

5Claims

0Family size

Assignee

BASF SE

Inventors

Werner Hesse · Großburgwedel, DE
Hans Wohlfromm · Ludwigshafen, DE
Peter Uggowitzer · Ottenbach, CH
Markus Speidel · Birmenstorf, CH

Key dates

Filing date	May 31, 2001
Grant date	Nov 4, 2003
Priority date	—
Expiry date	May 31, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F2999/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Hard sintered moldings having a nickel- and cobalt-free, nitrogen-containing steel as a binder of the hard phase, processes for the powder metallurgical production of these hard sintered moldings, in particular by powder injection molding, and powder injection molding materials for the production of these hard sintered moldings by powder injection molding.

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