(19)
(11) EP 0 859 871 A1

(12)

(43) Date of publication:
26.08.1998 Bulletin 1998/35

(21) Application number: 96934123.0

(22) Date of filing: 15.10.1996
(51) International Patent Classification (IPC): 
B05D 7/ 14( . )
C09D 5/ 08( . )
C09D 161/ 20( . )
C23C 22/ 78( . )
C08G 8/ 20( . )
C09D 161/ 12( . )
C23C 22/ 23( . )
(86) International application number:
PCT/US1996/016132
(87) International publication number:
WO 1997/013887 (17.04.1997 Gazette 1997/17)
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI NL

(30) Priority: 13.10.1995 JP 19950265501

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

(72) Inventors:
  • YOSHIDA, Masayuki
    Yokohama-shi 241 (JP)
  • EHARA, Ryoji
    Hiratsuka-shi, Kanagawa-ken 254 (JP)

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

   


(54) COMPOSITION AND PROCESS FOR SURFACE TREATMENT OF ALUMINUM AND ITS ALLOYS