(19)
(11) EP 0 317 353 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.03.1990 Bulletin 1990/13

(43) Date of publication A2:
24.05.1989 Bulletin 1989/21

(21) Application number: 88310940.7

(22) Date of filing: 18.11.1988
(51) International Patent Classification (IPC)4C08G 59/64, C08G 59/62, C10M 159/12, C10M 133/52, C10M 133/54, C10M 159/16, C10M 149/12, C10M 129/95, C10L 1/18, C10L 1/22
// (C10M159/12, 145:26, 129:38, 133:52, 133:54, 133:56, 133:58, 159:16), C10N30:04, C10N40:00, C10N40:04, C10N40:08, C10N60:06, C10N60:14
(84) Designated Contracting States:
AT BE DE FR GB IT NL

(30) Priority: 19.11.1987 US 122832

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

(72) Inventors:
  • Lundberg, Robert Dean
    Bridgewater New Jersey 08807 (US)
  • Emert, Jacob
    Brooklyn New York 11218 (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) Use of oil soluble dispersant additives in oleaginous compositions


    (57) An oil soluble dispersant comprising the reaction products of:

    (1) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxylic acids or their anhydrides, (ii) long chain hydrocarbon having a polyamine attached directly thereto, and (iii) Mannich condensation product formed by condensing a long chain hydrocarbyl substituted hydroxy aromatic compound with an aldehyde and a polyalkylene polyamine, said adduct containing at least one reactive group selected from reactive amino groups and reactive hydroxyl groups; and

    (2) at least one polyepoxide.







    Search report