Global Patent Index - EP 3859053 A1

EP 3859053 A1 20210804 - SULFATE BASED, AMMONIUM FREE TRIVALENT CHROMIUM DECORATIVE PLATING PROCESS

Title (en)

SULFATE BASED, AMMONIUM FREE TRIVALENT CHROMIUM DECORATIVE PLATING PROCESS

Title (de)

VERFAHREN ZUR DEKORATIVEN PLATTIERUNG MIT SULFATBASIERTEM, AMMONIUMFREIEM TRIVALENTEM CHROM

Title (fr)

PROCÉDÉ DE PLACAGE DÉCORATIF DE CHROME TRIVALENT EXEMPT D'AMMONIUM À BASE DE SULFATE

Publication

EP 3859053 A1 20210804 (EN)

Application

EP 20154909 A 20200131

Priority

EP 20154909 A 20200131

Abstract (en)

The present invention refers to an electroplating bath for electroplating a chromium or chromium alloy layer, the bath comprising trivalent chromium ions, organic carboxylic acid, sulfate ions, sodium conductive ions, and additives in the form of inorganic sulfur compound and boric acid as well as a process using such an electroplating bath.

IPC 8 full level

C25D 3/06 (2006.01)

CPC (source: EP)

C25D 3/06 (2013.01)

Citation (applicant)

Citation (search report)

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

DOCDB simple family (publication)

EP 3859053 A1 20210804

DOCDB simple family (application)

EP 20154909 A 20200131