Patent · US Expired

Agglomerated metal composite powders

US4915733A · kind A · utility

31Cited by

11References

3Claims

0Family size

Assignee

Hermann C. Starck Berlin GmbH & Co. KG · DE

Inventors

Heinz-Eckert Schutz · Houston, US
Bernhard Szesny · Langelsheim, DE
Bruno E. Krismer · Goslar, DE

Key dates

Filing date	Jan 19, 1989
Grant date	Apr 10, 1990
Priority date	—
Expiry date	Jan 19, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22C1/045
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Metal powder agglomerates of individual particles comprising (i) more than 70% by weight of one or more metals selected from the group consisting of the elements molybdenum, rhenium and tungsten and (ii) one or more binder metals selected from the group consisting of iron, cobalt, nickel, copper, silver, gold, palladium, platinum, rhodium, chromium and rhenium, wherein the individual particles have grain sizes of less than 2 .mu.m and all the metal particles lie side by side in uniform random distribution are useful as the powder required for producing shaped, sintered articles in a powder metallurgical preparation.

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