(19)
(11) EP 0 198 690 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.05.1989 Bulletin 1989/19

(43) Date of publication A2:
22.10.1986 Bulletin 1986/43

(21) Application number: 86302713.2

(22) Date of filing: 11.04.1986
(51) International Patent Classification (IPC)4: C10M 133/16, C10M 133/56, C10L 1/22, C07D 207/40, C07D 403/02
(84) Designated Contracting States:
DE FR GB

(30) Priority: 12.04.1985 US 722910
16.01.1986 US 819643
16.01.1986 US 819770

(71) Applicant: CHEVRON RESEARCH COMPANY
San Francisco, California 94120-7141 (US)

(72) Inventors:
  • Buckley, Thomas F.
    Hercules California 94547 (US)
  • Wollenberg, Robert H.
    San Rafael California 94903 (US)

(74) Representative: Kosmin, Gerald Emmanuel et al
HASELTINE, LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane
London, WC2A 1AT
London, WC2A 1AT (GB)


(56) References cited: : 
   
       


    (54) Additive for lubricating oils and hydrocarbon fuels


    (57) Additives useful as dispersants and/or detergents in lubricating oils and hydrocarbon fuels are polyamino alkenyl or alkyl succinimides wherein one or more of the amino nitrogens of the succinimide is substituted by

    wherein R4 is hydrocarbyl of from 1 to 30 carbon atoms; R5 is hydrocarbyl of from 2 to 30 carbon atoms or -R6-(OR6)P- wherein R6 is alkylene of 2 to 5 carbon atoms and p is an integer from 1 to 100; and m is 0 or 1.





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