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US 5,397,491 AGranted
Use of substituted diphenyls as heat transfer fluids
AssigneeHuels Aktiengesellschaft
InventorsGerd Hons, Heinz-Werner Voges
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Abstract
Heat is transferred in a thermodynamic system with a heat transfer medium which is at least one fluid of formula I and/or II, ##STR1## wherein R.sub.1 is ethyl or hydrogen, R.sub.2 is ethyl, R.sub.3 is methyl and R.sub.4 is a benzyl radical.
Claims5
A method of transferring heat over an expanded temperature range in a thermodynamic system, comprising:
- transferring heat with a heat transfer medium which comprises at least an effective amount of one fluid of the formula I or II or both:
- ##STR6## wherein R.sup.1 is ethyl or hydrogen, R.sup.2 ethyl, R.sup.3 is methyl and R.sup.4 is a benzyl radical.
Dependencies are inferred from the claim text.