(19)
(11) EP 1 230 422 A1

(12)

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

(21) Application number: 00955557.4

(22) Date of filing: 14.08.2000
(51) International Patent Classification (IPC)7C23C 22/05, C23C 22/00, C09D 5/00, C09D 183/00
(86) International application number:
PCT/US0022/363
(87) International publication number:
WO 0112/876 (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
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 16.08.1999 JP 23009499

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

(72) Inventors:
  • KINOSHITA, Yasuhiro
    Hiratsuka-shi,Kanagawa Pref 254-0014 (JP)
  • MIZUNO, Kensuke
    Hiratsuka-shi,Kanagawa Pref 254-0051 (JP)
  • KAWAKAMI, Katsuyuki
    Machida-shi,Tokyo 194-0212 (JP)

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

   


(54) PROCESS AND COMPOSITION FOR TREATING METALS