EP 2831298 B1 20190508 - COMPOSITE MATERIAL
Title (en)
COMPOSITE MATERIAL
Title (de)
KONTAKTWERKSTOFF
Title (fr)
MATIÈRE ACTIVE COMPOSITE
Publication
Application
Priority
- EP 12161247 A 20120326
- EP 2013056345 W 20130326
- EP 13715919 A 20130326
Abstract (en)
[origin: EP2644723A1] The composite material comprises a metal and 0.2-60 vol.% of magnesium stannate. The magnesium stannate is present in an amount of 60 wt.%, and has a particle size of >= 1 mu m. The composite material further comprises oxides, and is obtained by a production method including powder metallurgical production and internal oxidation methods. An independent claim is included for a method for manufacturing a composite material.
IPC 8 full level
C22C 5/06 (2006.01); E03C 1/00 (2006.01); H01B 1/02 (2006.01); H01H 1/02 (2006.01)
CPC (source: EP US)
B22F 3/20 (2013.01 - US); B22F 9/04 (2013.01 - EP US); C22C 1/051 (2013.01 - EP US); C22C 5/06 (2013.01 - EP US); C22C 29/12 (2013.01 - EP US); C22C 32/001 (2013.01 - EP US); H01B 1/02 (2013.01 - EP US); H01B 13/0016 (2013.01 - US); H01H 1/0237 (2013.01 - EP US); B22F 3/04 (2013.01 - EP US); H01H 1/02376 (2013.01 - EP US)
Citation (examination)
- JP S5019352 B1 19750705
- DATABASE WPI Section Ch Week 197531, Derwent World Patents Index; Class L03, AN 1975-51740W, XP002703252
- SPIEKERMANN P: "LEGIERUNGEN - EIN BESONDERES PATENTRECHTLICHES PROBLEM? - LEGIERUNGSPRUEFUNG IM EUROPAEISCHEN PATENTAMT -", MITTEILUNGEN DER DEUTSCHEN PATENTANWAELTE, HEYMANN, KOLN, DE, 1 January 1993 (1993-01-01), pages 178 - 190, XP000961882, ISSN: 0026-6884
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2644723 A1 20131002; EP 2644723 B1 20170118; CN 104245976 A 20141224; CN 104245976 B 20170609; EP 2831298 A1 20150204; EP 2831298 B1 20190508; US 2015060741 A1 20150305; US 9928931 B2 20180327; WO 2013144112 A1 20131003
DOCDB simple family (application)
EP 12161247 A 20120326; CN 201380015121 A 20130326; EP 13715919 A 20130326; EP 2013056345 W 20130326; US 201314388171 A 20130326