| (19) |
 |
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(11) |
EP 0 273 460 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
30.11.1988 Bulletin 1988/48 |
| (43) |
Date of publication A2: |
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06.07.1988 Bulletin 1988/27 |
| (22) |
Date of filing: 30.12.1987 |
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| (84) |
Designated Contracting States: |
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AT BE CH DE ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
30.12.1986 US 947878
|
| (71) |
Applicant: UNION CARBIDE CORPORATION |
|
() |
|
| (72) |
Inventor: |
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- Lewis, Walter Ensign Francis
()
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| |
|
| (54) |
Energy transmitting fluid |
(57) A water-glycol energy transmitting fluid having viscosity of from about 10 to about
200 centistokes at 40°C comprising:
(a) from about 30 to about 40 percent by weight, based upon the total weight of the
fluid, of water,
(b) diethylene glycol,
(c) from about 0.8 to about 5.0 percent by weight, based upon the total weight of
fluid, of an aliphatic carboxylic acid having 9 to 12 carbon atoms,
(d) a water-soluble polymeric viscosity control agent,
(e) A corrosion inhibiting amount of at lease one corrosion inhibitor, and
(f) a metal deactivator.