EP 3245317 A1 20171122 - TREATMENT OF ANODIZED ALUMINUM AND ALLOYS
Title (en)
TREATMENT OF ANODIZED ALUMINUM AND ALLOYS
Title (de)
BEHANDLUNG VON ANODISIERTEN ALUMINIUM UND LEGIERUNGEN
Title (fr)
TRAITEMENT D'ALUMINIUM ET ALLIAGES ANODISÉS
Publication
Application
Priority
- EP 14194333 A 20141121
- EP 2015073271 W 20151008
Abstract (en)
[origin: EP3023522A1] The invention is related to chemical treatment applied to products made of aluminum or aluminum alloys, that have been first submitted to anodic oxidation and pore sealing according to known prior technics, the invention comprising two additional steps: - a treatment with an alkali-silicate solution; - a treatment with silanes solutions. The products according to the invention are showing improved resistance to corrosion tests to acid and alkalis.
IPC 8 full level
C25D 11/18 (2006.01); C25D 11/16 (2006.01); C25D 11/24 (2006.01)
CPC (source: EP)
C25D 11/16 (2013.01); C25D 11/246 (2013.01); C25D 11/08 (2013.01); C25D 11/243 (2013.01)
Citation (search report)
See references of WO 2016078826A1
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 3023522 A1 20160525; EA 037385 B1 20210323; EA 201791723 A1 20171229; EP 3245317 A1 20171122; EP 3245317 B1 20190508; EP 3245317 B2 20220518; ES 2741525 T3 20200211; ES 2741525 T5 20221013; PL 3245317 T3 20191231; PL 3245317 T5 20230130; RS 59341 B1 20191031; RS 59341 B2 20221031; WO 2016078826 A1 20160526
DOCDB simple family (application)
EP 14194333 A 20141121; EA 201791723 A 20151008; EP 15778287 A 20151008; EP 2015073271 W 20151008; ES 15778287 T 20151008; PL 15778287 T 20151008; RS P20190991 A 20151008