(19)
(11) EP 0 331 398 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.12.1990 Bulletin 1990/49

(43) Date of publication A2:
06.09.1989 Bulletin 1989/36

(21) Application number: 89301935.6

(22) Date of filing: 27.02.1989
(51) International Patent Classification (IPC)4C08G 59/62, C08G 59/64, C10M 159/12, C10M 159/16, C10M 145/18, C10M 149/14, C10M 133/52, C10L 1/18, C10L 1/22, C10L 1/24
// C10N30:00, C10N30:02, C10N30:04, C10N40:00, C10N70:00
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 29.02.1988 US 161899

(71) Applicant: EXXON CHEMICAL PATENTS INC.
Florham Park New Jersey 07932 (US)

(72) Inventors:
  • Emert, Jacob
    Brooklyn New York 11218 (US)
  • Lundberg, Robert Dean
    Bridgewater New Jersey 08807 (US)

(74) Representative: Northover, Robert Frank et al
Exxon Chemical Limited Exxon Chemical Technology Centre PO Box 1
Abingdon Oxfordshire, OX13 6BB
Abingdon Oxfordshire, OX13 6BB (GB)


(56) References cited: : 
   
       


    (54) Polyepoxide modified adducts or reactants and oleaginous compositions


    (57) A compound useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:

    (i) at least one intermediate adduct comprised of the reaction products of

    (a) at least one polyepoxide, and

    (b) at least one member selected from the group consisting of polyamines, polyols, and amino alcohols; and

    (ii) at least one of (a) hydrocarbyl substituted Cā‚„ - C₁₀ dicarboxylic acid producing material or (b) an aldehyde and a hydrocarbyl substituted hydroxy aromatic compound.

    Also included is a process for preparing said compound and an oleaginous composition containing said compound.





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