(19)
(11) EP 1 257 685 A1

(12)

(43) Date of publication:
20.11.2002 Bulletin 2002/47

(21) Application number: 00979151.8

(22) Date of filing: 09.11.2000
(51) International Patent Classification (IPC)7C23C 22/00
(86) International application number:
PCT/US0030/840
(87) International publication number:
WO 0103/4872 (17.05.2001 Gazette 2001/20)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 09.11.1999 US 164351 P

(71) Applicant: HENKEL CORPORATION
Gulph Mills,Pennsylvania 19406 (US)

(72) Inventors:
  • HOMMA, Nelson
    Marietta, GA 30068 (US)
  • JOHNSON, Phillip, M.
    Southfield, MI 48076 (US)
  • CARLSON, Lawrence, R.
    Oxford, MI 48371 (US)

(74) Representative: Sanderson, Laurence Andrew 
SANDERSON & CO.34, East Stockwell Street
ColchesterEssex CO1 1ST
ColchesterEssex CO1 1ST (GB)

   


(54) COMPOSITION AND PROCESS FOR SEALING ANODIZED ALUMINUM