(19)
(11) EP 1 230 033 A1

(12)

(43) Date of publication:
14.08.2002 Bulletin 2002/33

(21) Application number: 00955545.9

(22) Date of filing: 16.08.2000
(51) International Patent Classification (IPC)7B05D 1/18, B05D 3/10, C23C 22/07
(86) International application number:
PCT/US0022/335
(87) International publication number:
WO 0112/341 (22.02.2001 Gazette 2001/08)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 16.08.1999 JP 23006099

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

(72) Inventors:
  • BANNAI, Hirokatsu
    Hiratsuka-shi,Kanagawa Pref. 254-0012 (JP)
  • NAGASHIMA, Yasuhiko
    Nagoya-shi,Aichi Pref. 457-0004 (JP)
  • NAKAYAMA, Takaomi
    Hiratsuka-shi,Kanagawa Pref. 254-0013 (JP)

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

   


(54) PROCESS FOR FORMING A PHOSPHATE CONVERSION COATING ON METAL