(19)
(11) EP 0 235 173 A1

(12)

(43) Date of publication:
09.09.1987 Bulletin 1987/37

(21) Application number: 86904565.0

(22) Date of filing: 24.06.1986
(51) International Patent Classification (IPC): 
C25D 5/ 36( . )
(86) International application number:
PCT/US1986/001351
(87) International publication number:
WO 1987/000869 (12.02.1987 Gazette 1987/04)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 09.08.1985 US 19850764273
26.09.1985 US 19850780469
15.10.1985 US 19850787403
06.01.1986 US 19860816180

(71) Applicant: M&T CHEMICALS INC.
Woodbridge, NJ 07095 (US)

(72) Inventors:
  • CHESSIN, Hyman
    Brick, NJ 08723 (US)
  • McMULLEN, Warren, H.
    East Brunswick, NJ 08816 (US)
  • JONES, Allen, R.
    Belford, NJ 07718 (US)
  • KORBACH, William, C.
    Howell Township, NJ 07731 (US)

(74) Representative: Lederer, Franz, Dr., et al 
Lederer, Keller & Riederer Patentanwälte Prinzregentenstrasse 16
D-80538 München
D-80538 München (DE)

   


(54) PROCESS FOR FORMING ADHERENT CHROMIUM ELECTRODEPOSITS FROM A HIGH ENERGY EFFICIENT BATH