Pre-alloyed powder

US6554885B1 · kind B1 · utility

Assignee

• H.C. STARCK INC. · US

Inventors

• Bernd Mende · Bad Harzburg, DE
• Gerhard Gille · Goslar, DE
• Benno Gries · Wolfenbüttel, DE
• Peter Aulich · Toronto, CA
• Jörg Münchow · Seesen, DE

Key dates

• Filing date: Nov 15, 2000
• Grant date: Apr 29, 2003
• Expiry date: Nov 15, 2020

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22F2998/00
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A process is described for the production of metal powder and alloy powders containing at least one of the metals iron, copper, tin, cobalt or nickel, by mixing aqueous metal salt solutions with an aqueous carboxylic acid solution, separating the precipitation product from the mother liquor and reducing the precipitation product to the metal.