(19)
(11) EP 1 385 926 A1

(12)

(43) Date of publication:
04.02.2004 Bulletin 2004/06

(21) Application number: 02745288.7

(22) Date of filing: 07.05.2002
(51) International Patent Classification (IPC)7: C10M 141/00
// (C10M141/00, 129:36, 129:40, 129:58, 129:76, 133:06, 135:26, 137:02, 137:04), C10M137:10,(C10N30/12, 40:02, 40:04, 40:12, 40:30)
(86) International application number:
PCT/EP2002/005066
(87) International publication number:
WO 2002/092735 (21.11.2002 Gazette 2002/47)
(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: 11.05.2001 JP 2001142228

(71) Applicant: SHELL INTERNATIONALE RESEARCHMAATSCHAPPIJ B.V.
2596 HR Den Haag (NL)

(72) Inventor:
  • BABA, Yoshiharu
    Aiko-Gun, Kanagawa 243-03 (JP)

   


(54) LUBRICATING OIL COMPOSITION COMPRISING AN ADDITIVE COMBINATION OF A CARBOXYLIC ACID AND AN AMINE AS ANT-RUST AGENT