(19)
(11) EP 1 274 881 A1

(12)

(43) Date of publication:
15.01.2003 Bulletin 2003/03

(21) Application number: 01922818.8

(22) Date of filing: 29.03.2001
(51) International Patent Classification (IPC)7: C23C 22/78
(86) International application number:
PCT/US0110/031
(87) International publication number:
WO 0107/5190 (11.10.2001 Gazette 2001/41)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 31.03.2000 JP 2000099399

(71) Applicant: Henkel Kommanditgesellschaft auf Aktien
40589 Düsseldorf-Holthausen (DE)

(72) Inventors:
  • OHSHITA, Kenichirou
    Hiratsuka-shi,Kanagawa-Pref. 254-0061 (JP)
  • MOTOZAWA, Masahiro
    Sagamihara-shi,Kanagawa-Pref. 229-0032 (JP)

(74) Representative: Endres, Helmut 
Henkel KGaAPatente (VTP)
40191 Düsseldorf
40191 Düsseldorf (DE)

   


(54) SURFACE TREATMENT METHOD FOR MAGNESIUM ALLOYS AND MAGNESIUM ALLOY MEMBERS THUS TREATED