EP 4103757 A1 20221221 - PIECE OF JEWELRY
Title (en)
PIECE OF JEWELRY
Title (de)
SCHMUCKKÖRPER
Title (fr)
PIÈCE DE BIJOUTERIE
Publication
Application
Priority
- DE 102020121225 A 20200812
- EP 2021066306 W 20210616
Abstract (en)
[origin: WO2022033749A1] The invention relates to a piece of jewelry having a copper-containing gold alloy which consists of - 58.5 to 58.7 wt.% gold, - 26.9 to 32.6 wt.% copper, - 5.7 to 10.7 wt.% silver, - 1.0 to 3.0 wt.% palladium, and a remainder containing 0.7 to 2.2 wt.% zinc.
IPC 8 full level
CPC (source: EP KR US)
A44C 27/003 (2013.01 - US); B22D 11/001 (2013.01 - US); B22D 11/10 (2013.01 - KR); B22D 25/026 (2013.01 - KR US); B22D 25/06 (2013.01 - US); C22C 1/02 (2013.01 - EP KR US); C22C 5/02 (2013.01 - EP KR US)
Citation (search report)
See references of WO 2022033749A1
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022033749 A1 20220217; DE 102020121225 A1 20220217; EP 4103757 A1 20221221; JP 2023536770 A 20230830; KR 20230048622 A 20230411; TW 202208641 A 20220301; US 2023295773 A1 20230921
DOCDB simple family (application)
EP 2021066306 W 20210616; DE 102020121225 A 20200812; EP 21734783 A 20210616; JP 2022549888 A 20210616; KR 20227028943 A 20210616; TW 110126049 A 20210715; US 202117800674 A 20210616