Global Patent Index - EP 1079950 A1

EP 1079950 A1 2001-03-07 - SINTER-ACTIVE METAL AND ALLOY POWDERS FOR POWDER METALLURGY APPLICATIONS AND METHODS FOR THEIR PRODUCTION AND THEIR USE

Title (en)

SINTER-ACTIVE METAL AND ALLOY POWDERS FOR POWDER METALLURGY APPLICATIONS AND METHODS FOR THEIR PRODUCTION AND THEIR USE

Title (de)

SINTERAKTIVE METALL- UND LEGIERUNGSPULVER FÜR PULVERMETALLURGISCHE ANWENDUNGEN UND VERFAHREN ZU DEREN HERSTELLUNG UND DEREN VERWENDUNG

Title (fr)

POUDRES DE METAL ET D'ALLIAGE POUR LE FRITTAGE, A UTILISER DANS LA METALLURGIE DES POUDRES, LEUR PROCEDE DE PRODUCTION ET LEUR UTILISATION

Publication

EP 1079950 A1 (DE)

Application

EP 99923562 A

Priority

  • DE 19822663 A
  • EP 9903170 W

Abstract (en)

[origin: DE19822663A1] The invention relates to a method for producing metal and alloy powders containing at least one of the metals iron, copper, tin, cobalt or nickel. According to the method an aqueous solutions of metal salts is mixed with an aqueous carboxylic acid solution, the precipitation product is separated from the mother liquor and the precipitation product is reduced to metal.

IPC 1-7 (main, further and additional classification)

B22F 9/22

IPC 8 full level (invention and additional information)

C22B 5/12 (2006.01); B22F 9/22 (2006.01)

CPC (invention and additional information)

B22F 9/22 (2013.01); B22F 2998/00 (2013.01)

Combination set (CPC)

B22F 2998/00 + C22C 1/051 + C22C 26/00

Citation (search report)

See references of WO 9959755A1

Designated contracting state (EPC)

AT BE DE FI FR GB GR IT NL SE

EPO simple patent family

DE 19822663 A1 19991202; AT 246976 T 20030815; AU 4039399 A 19991206; CA 2332889 A1 19991125; CA 2332889 C 20100406; CN 1254339 C 20060503; CN 1301205 A 20010627; EP 1079950 A1 20010307; EP 1079950 B1 20030813; JP 2002515543 A 20020528; JP 2009001908 A 20090108; JP 4257690 B2 20090422; US 6554885 B1 20030429; WO 9959755 A1 19991125

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