Global Patent Index - EP 3198055 A4

EP 3198055 A4 20180502 - ALKALINE CERIUM-BASED COATING COMPOSITION FOR METAL SURFACE PRE-TREATMENT

Title (en)

ALKALINE CERIUM-BASED COATING COMPOSITION FOR METAL SURFACE PRE-TREATMENT

Title (de)

ALKALISCHE CER-BASIERTE BESCHICHTUNGSZUSAMMENSETZUNG ZUR METALLOBERFLÄCHENVORBEHANDLUNG

Title (fr)

COMPOSITION DE REVÊTEMENT ALCALIN À BASE DE CÉRIUM POUR UN PRÉ-TRAITEMENT DE SURFACES MÉTALLIQUES

Publication

EP 3198055 A4 20180502 (EN)

Application

EP 14902597 A 20140922

Priority

CN 2014087068 W 20140922

Abstract (en)

[origin: WO2016044972A1] An alkaline aqueous composition for the pretreatment of metal substrates, wherein the composition is based on a source of cerium cations as well as the presence of an amino-functional organosilane. A process of pre-treating a metal substrate based on such an alkaline aqueous composition and its use for the corrosion pretreatment.

IPC 8 full level

C23C 22/62 (2006.01); C25D 13/16 (2006.01); C25D 13/20 (2006.01)

CPC (source: EP)

C09D 5/08 (2013.01); C23C 22/62 (2013.01); C23C 22/66 (2013.01); C25D 13/16 (2013.01); C25D 13/20 (2013.01); C23C 2222/20 (2013.01)

Citation (search report)

  • [XI] CN 101542018 A 20090923 - NIHON PARKERIZING [JP]
  • [A] CN 101717930 A 20100602 - HAISO TECHNOLOGY CO LTD
  • [A] WO 2009077412 A2 20090625 - AKZO NOBEL NV [NL], et al
  • [A] CORREA P S ET AL: "Corrosion behavior study of AZ91 magnesium alloy coated with methyltriethoxysilane doped with cerium ions", PROGRESS IN ORGANIC COATINGS, ELSEVIER BV, NL, vol. 72, no. 4, 9 August 2011 (2011-08-09), pages 739 - 747, XP028324257, ISSN: 0300-9440, [retrieved on 20110816], DOI: 10.1016/J.PORGCOAT.2011.08.005
  • See references of WO 2016044972A1

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

DOCDB simple family (publication)

WO 2016044972 A1 20160331; CN 107002247 A 20170801; CN 114561636 A 20220531; EP 3198055 A1 20170802; EP 3198055 A4 20180502; TW 201615890 A 20160501

DOCDB simple family (application)

CN 2014087068 W 20140922; CN 201480082091 A 20140922; CN 202210192809 A 20140922; EP 14902597 A 20140922; TW 104130755 A 20150917