(19) |
![](https://data.epo.org/publication-server/img/EPO_BL_WORD.jpg) |
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(11) |
EP 0 116 460 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
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22.05.1985 Bulletin 1985/21 |
(43) |
Date of publication A2: |
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22.08.1984 Bulletin 1984/34 |
(22) |
Date of filing: 08.02.1984 |
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(84) |
Designated Contracting States: |
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DE FR GB |
(30) |
Priority: |
08.02.1983 US 464950
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(71) |
Applicant: EXXON RESEARCH AND ENGINEERING COMPANY |
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() |
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(72) |
Inventors: |
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- Gutierrez, Antonio
()
- O'Halloran, Rosemary
()
- Brois, Stanley James
()
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(54) |
Friction modifier additive for power transmission shift fluids |
(57) There are disclosed power shift transmission fluids such as automatic transmission
fluids containing a friction modifier additive being an oil soluble alkylthio succinic
anhydride or acid, such as octadecyl thiosuccinic acid or anhydride.