Global Patent Index - EP 4256102 A1

EP 4256102 A1 20231011 - AL-SI CORROSION PROTECTION LAYERS

Title (en)

AL-SI CORROSION PROTECTION LAYERS

Title (de)

Al-Si KORROSIONSSCHUTZSCHICHTEN

Title (fr)

COUCHES DE PROTECTION CONTRE LA CORROSION AL-SI

Publication

EP 4256102 A1 20231011 (DE)

Application

EP 21819720 A 20211118

Priority

  • DE 102020007352 A 20201202
  • EP 2021000144 W 20211118

Abstract (en)

[origin: WO2022117220A1] The invention relates to a layer system coated on a substrate, the layer system comprising a functional layer and an intermediate layer and the intermediate layer being arranged between the substrate and the functional layer, the functional layer comprising both the elements aluminium and silicon though not necessarily in elementary form, and the functional layer comprising oxygen or nitrogen or both, characterised in that the intermediate layer comprises, measured in at%, a greater percentage of silicon and/or a greater percentage of aluminium than the functional layer.

IPC 8 full level

C23C 14/32 (2006.01); C23C 14/00 (2006.01); C23C 14/08 (2006.01); C23C 14/22 (2006.01); C23C 16/24 (2006.01); C23C 16/44 (2006.01)

CPC (source: EP KR US)

C23C 14/0021 (2013.01 - EP KR); C23C 14/08 (2013.01 - EP KR); C23C 14/081 (2013.01 - US); C23C 14/10 (2013.01 - US); C23C 14/22 (2013.01 - EP KR); C23C 14/325 (2013.01 - EP KR US); C23C 16/24 (2013.01 - EP KR US); C23C 16/44 (2013.01 - EP KR); C23C 16/50 (2013.01 - KR US); C23C 28/04 (2013.01 - KR US)

Citation (search report)

See references of WO 2022117220A1

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 2022117220 A1 20220609; CA 3199347 A1 20220609; CN 116547406 A 20230804; EP 4256102 A1 20231011; JP 2023554247 A 20231227; KR 20230116003 A 20230803; US 2024003015 A1 20240104

DOCDB simple family (application)

EP 2021000144 W 20211118; CA 3199347 A 20211118; CN 202180081624 A 20211118; EP 21819720 A 20211118; JP 2023532645 A 20211118; KR 20237020249 A 20211118; US 202118039096 A 20211118