Global Patent Index - EP 3385409 A1

EP 3385409 A1 20181010 - ELECTROLYTIC SULPHURIC ACID BATH AND METHOD FOR TIN ELECTROREFINING

Title (en)

ELECTROLYTIC SULPHURIC ACID BATH AND METHOD FOR TIN ELECTROREFINING

Title (de)

ELEKTROLYTISCHES SCHWEFELSÄUREBAD UND VERFAHREN ZUR ZINN-ELEKTRORAFFINATION

Title (fr)

BAIN D'ACIDE SULFURIQUE ÉLECTROLYTIQUE ET PROCÉDÉ D'ÉLECTROAFFINAGE D'ÉTAIN

Publication

EP 3385409 A1 20181010 (EN)

Application

EP 18382212 A 20180327

Priority

EP 17382173 A 20170404

Abstract (en)

The present invention relates to an electrolytic sulphuric acid bath comprising a mixture of gelatine and a compound of general formula (I) as additives, to a method for electrorefining of tin comprising applying a current to the electrolytic sulphuric acid bath of the present invention, and to the synergistic use of gelatine and a compound of general formula (I) as additives in an electrolytic sulphuric acid bath for tin electrorefining.

IPC 8 full level

C25C 1/14 (2006.01)

CPC (source: EP)

C25C 1/14 (2013.01)

Citation (applicant)

  • US 4000047 A 19761228 - OSTROW BARNET D, et al
  • XIAO ET AL.: "Metallurgy and Materials", INTER. J. MINERALS, vol. 20, no. 5, 2013, pages 472
  • ROCKWELL ET AL., THIN SOLID FILMS, vol. 516, no. 21, 2008, pages 7361
  • XIAO ET AL., MATER. PROT., vol. 44, no. 1, 2011, pages 1
  • "Corrosion and surface chemistry of metals", 2003, EPFL PRESS, pages: 575 - 577
  • "Modern Electroplating", 2010, WILEY, pages: 159 - 160

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 3385409 A1 20181010; EP 3385409 B1 20191127

DOCDB simple family (application)

EP 18382212 A 20180327