(19)
(11) EP 0 726 968 A1

(12)

(43) Date of publication:
21.08.1996 Bulletin 1996/34

(21) Application number: 94922040.0

(22) Date of filing: 05.07.1994
(51) International Patent Classification (IPC): 
C23C 22/ 36( . )
(86) International application number:
PCT/US1994/007298
(87) International publication number:
WO 1995/002077 (19.01.1995 Gazette 1995/04)
(84) Designated Contracting States:
AT DE ES FR GB GR IT SE

(30) Priority: 05.07.1993 JP 19930165601

(71) Applicant: HENKEL CORPORATION
Plymouth Meeting, PA 19462 (US)

(72) Inventors:
  • AOKI, Tomoyuki
    Kanagawa-ken 253 (JP)
  • SHIMIZU, Akio
    Isehara-shi, Kanagawa-ken 259-11 (JP)
  • YOSHIDA, Masayuki
    Asahi-ku, Yokohama-shi, Kanagawa-ken 241 (JP)

(74) Representative: Sanderson, Laurence Andrew 
SANDERSON & CO. European Patent Attorneys 34, East Stockwell Street
Colchester Essex CO1 1ST
Colchester Essex CO1 1ST (GB)

   


(54) COMPOSITION AND PROCESS FOR TREATING TINPLATE AND ALUMINUM