| (19) |
 |
|
(11) |
EP 0 113 199 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
12.02.1986 Bulletin 1986/07 |
| (43) |
Date of publication A2: |
|
11.07.1984 Bulletin 1984/28 |
| (22) |
Date of filing: 02.12.1983 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB |
| (30) |
Priority: |
27.12.1982 US 453121
|
| (71) |
Applicant: EXXON RESEARCH AND ENGINEERING COMPANY |
|
() |
|
| (72) |
Inventors: |
|
- Cleveland, William Kenneth Stephen
()
- Ryer, Jack
()
- Deen, Harold Eugene
()
|
|
| |
|
| (54) |
Power transmission shift fluids containing two-component friction modifier additive |
(57) There are disclosed functional fluid compositions containing a two component friction
modifier additive composed of a thio-bis-alkanol succinate ester and a phosphate diester
such as dioleyl phosphite. The compositions are especially useful as tractor fluids.