| (19) |
 |
|
(11) |
EP 0 186 473 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
13.05.1987 Bulletin 1987/20 |
| (43) |
Date of publication A2: |
|
02.07.1986 Bulletin 1986/27 |
| (22) |
Date of filing: 20.12.1985 |
|
|
| (84) |
Designated Contracting States: |
|
BE DE FR GB IT NL |
| (30) |
Priority: |
27.12.1984 US 686776
|
| (71) |
Applicant: MOBIL OIL CORPORATION |
|
() |
|
| (72) |
Inventors: |
|
- Andress, Harry John
()
- Ashjian, Henry
()
- Gawel, Henry Anthony
()
|
|
| |
|
| (54) |
Compounds containing amide linkages from mono- and polycarboxylic acids in the same
molecule and lubricants and fuels containing same |
(57) @ Lubricant and fuel additives having excellent dispersant properties have amide
linkages, in the same molecule, de- nved from mono- and polycarboxylic acids. The
additives are produced by reacting (1) at least one fatty monocarboxylic acid, (2)
at least one alkenyl- or alkylsuccinic acid and anhydride and (3) at least one polyamine.