Global Patent Index - EP 4097277 A1

EP 4097277 A1 20221207 - METHOD FOR THE SURFACE TREATMENT OF ALUMINIUM-BASED PARTS

Title (en)

METHOD FOR THE SURFACE TREATMENT OF ALUMINIUM-BASED PARTS

Title (de)

VERFAHREN ZUR OBERFLÄCHENBEHANDLUNG VON TEILEN AUF ALUMINIUMBASIS

Title (fr)

PROCEDE DE TRAITEMENT DE SURFACE DE PIECES A BASE D'ALUMINIUM

Publication

EP 4097277 A1 20221207 (FR)

Application

EP 21706344 A 20210121

Priority

  • FR 2000979 A 20200131
  • FR 2021050110 W 20210121

Abstract (en)

[origin: WO2021152240A1] The invention relates to a method for the surface treatment of a part made of aluminum or aluminum alloy, comprising an anodisation step and a step of sealing with a silicate salt. The invention also relates to the use of a surface treatment method according to the invention for manufacturing an aluminium or aluminium alloy part intended, in particular, for use in the aviation sector.

IPC 8 full level

C25D 11/24 (2006.01)

CPC (source: EP KR US)

B05D 7/14 (2013.01 - US); B05D 7/51 (2013.01 - US); C25D 11/08 (2013.01 - KR US); C25D 11/246 (2013.01 - EP KR US); Y02P 10/25 (2015.11 - EP)

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 2021152240 A1 20210805; BR 112022014784 A2 20221004; CA 3165749 A1 20210805; CN 115053022 A 20220913; EP 4097277 A1 20221207; FR 3106837 A1 20210806; FR 3106837 B1 20230512; JP 2023511727 A 20230322; KR 20220134574 A 20221005; MX 2022009223 A 20221028; US 2023064264 A1 20230302

DOCDB simple family (application)

FR 2021050110 W 20210121; BR 112022014784 A 20210121; CA 3165749 A 20210121; CN 202180011000 A 20210121; EP 21706344 A 20210121; FR 2000979 A 20200131; JP 2022546036 A 20210121; KR 20227028864 A 20210121; MX 2022009223 A 20210121; US 202117759465 A 20210121