(19)
(11) EP 0 765 405 A1

(12)

(43) Date of publication:
02.04.1997 Bulletin 1997/14

(21) Application number: 95926607.0

(22) Date of filing: 11.07.1995
(51) International Patent Classification (IPC): 
C23C 22/ 12( . )
C23C 22/ 73( . )
C23C 22/ 36( . )
C23C 22/ 86( . )
(86) International application number:
PCT/US1995/008228
(87) International publication number:
WO 1996/001914 (25.01.1996 Gazette 1996/05)
(84) Designated Contracting States:
BE DE ES FR GB IT SE

(30) Priority: 12.07.1994 JP 19940159901

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

(72) Inventors:
  • AIZAWA, Kenji
    Yokohama-shi-Kanagawa-ken 236 (JP)
  • OKABAYASHI, Yutaka
    Kanagawa-ken 250 (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) PROCESS FOR FORMING A PHOSPHATE CONVERSION COATING