Global Patent Index - EP 0022980 B1

EP 0022980 B1 19850904 - PROCESS FOR MANUFACTURING SILVER POWDER

Title (en)

PROCESS FOR MANUFACTURING SILVER POWDER

Publication

EP 0022980 B1 19850904 (DE)

Application

EP 80103900 A 19800709

Priority

DE 2929630 A 19790721

Abstract (en)

[origin: US4396420A] This invention relates to a silver powder of Ag/CdO composition for use in electrical contacts comprising particles in the size range of about 1 to 10 microns and containing cadmium oxide in the form of a precipitate with a grain size less than about 0.5 micron.

IPC 1-7

C22C 1/10; C22C 1/04; H01H 1/02

IPC 8 full level

B22F 1/00 (2006.01); B22F 9/30 (2006.01); C22C 1/10 (2006.01); H01H 1/023 (2006.01); H01H 1/0237 (2006.01); H01H 11/04 (2006.01)

CPC (source: EP US)

C22C 1/1026 (2013.01 - EP US); H01H 1/02374 (2013.01 - EP US); Y10S 75/956 (2013.01 - US)

Citation (examination)

Constitution of Binary Alloys, 1958, Seite 14, Fig. 8

Designated contracting state (EPC)

CH FR GB LI NL SE

DOCDB simple family (publication)

EP 0022980 A1 19810128; EP 0022980 B1 19850904; DE 2929630 A1 19810129; DE 2929630 C2 19831215; JP S5651501 A 19810509; US 4396420 A 19830802

DOCDB simple family (application)

EP 80103900 A 19800709; DE 2929630 A 19790721; JP 9883180 A 19800721; US 34889382 A 19820216