(19)
(11) EP 0 290 457 A1

(12)

(43) Date of publication:
17.11.1988 Bulletin 1988/46

(21) Application number: 87900961.0

(22) Date of filing: 12.01.1987
(51) International Patent Classification (IPC): 
C10M 129/ 06( . )
C10M 129/ 26( . )
C10M 129/ 54( . )
C10M 135/ 10( . )
C10M 137/ 12( . )
C10M 163/ 00( . )
C10N 10/ 04( . )
C10N 10/ 10( . )
C10N 10/ 14( . )
C10N 30/ 00( . )
F02B 3/ 06( . )
C10M 129/ 10( . )
C10M 129/ 40( . )
C10M 129/ 58( . )
C10M 135/ 28( . )
C10M 141/ 00( . )
C10N 10/ 02( . )
C10N 10/ 08( . )
C10N 10/ 12( . )
C10N 10/ 16( . )
C10N 40/ 25( . )
(86) International application number:
PCT/US1987/000070
(87) International publication number:
WO 1987/004454 (30.07.1987 Gazette 1987/17)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 21.01.1986 US 19860820860

(71) Applicant: The Lubrizol Corporation
Wickliffe, Ohio 44092 (US)

(72) Inventor:
  • RIPPLE, David, Eugene
    Kirtland, OH 44094 (US)

(74) Representative: Crisp, David Norman, et al 
D. YOUNG & CO. 21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)

   


(54) LUBRICANT COMPOSITION CONTAINING TRANSITION METALS FOR VISCOSITY CONTROL