Global Patent Index - EP 1017879 A1

EP 1017879 A1 2000-07-12 - SEALING PROCEDURES FOR METAL AND/OR ANODISED METAL SUBSTRATES

Title (en)

SEALING PROCEDURES FOR METAL AND/OR ANODISED METAL SUBSTRATES

Title (de)

DICHTUNGSVERFAHREN FÜR METALL- UND/ODER ANODISIERTE METALL-SUBSTRATE

Title (fr)

PROCEDE DE SCELLEMENT POUR SUBSTRATS EN METAL ET/OU EN METAL ANODISE

Publication

EP 1017879 A1 (EN)

Application

EP 98932651 A

Priority

  • NZ 9800097 W
  • NZ 32831697 A

Abstract (en)

[origin: WO9902759A1] A method of polymer sealing an anodised or unanodised surface (whether of pure metal or an alloy) having a content of at least one of the group consisting of magnesium, beryllium, titanium, zirconium, hafnium, zinc and aluminium which involves a preliminary treatment with a deactivating agent (e.g.: HF in some cases) to render the surface to be sealed substantially devoid of ionisable species and thereafter electrophoretically treating the deactivated surface with a resin suspension to provide a coating which is subsequently cured to its polymer. The procedure has particular application to magnesium and magnesium alloys and to fabricated structures thereof with, for example, aluminium or aluminium alloys.

IPC 1-7 (main, further and additional classification)

C23C 22/34; C23C 22/53; C23C 22/54; C23C 22/56; C23C 22/57; C25D 11/04; C25D 11/18; C25D 11/34; C25D 13/06; C25D 13/08

IPC 8 full level (invention and additional information)

C25D 11/18 (2006.01); C23C 22/34 (2006.01); C23C 22/53 (2006.01); C23C 22/54 (2006.01); C23C 22/56 (2006.01); C23C 22/57 (2006.01); C25D 11/26 (2006.01); C25D 11/30 (2006.01); C25D 11/34 (2006.01); C25D 13/00 (2006.01); C25D 13/06 (2006.01)

CPC (invention and additional information)

C25D 11/30 (2013.01)

Citation (search report)

See references of WO 9902759A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9902759 A1 19990121; AU 8248198 A 19990208; CA 2296539 A1 19990121; EP 1017879 A1 20000712; JP 2001509549 A 20010724; ZA 9806096 B 19990128

INPADOC legal status


2004-08-18 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040103

2000-07-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000211

2000-07-12 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE