Method of using heat transfer oil with high auto ignition...

Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components

Reexamination Certificate

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Details

C252S074000, C252S075000, C252S076000

Reexamination Certificate

active

07862743

ABSTRACT:
A method to use a heat transfer oil, comprising:a. selecting a heat transfer oil having an auto ignition temperature greater than 329° C. (625° F.) and a viscosity index greater than 28×Ln(Kinematic Viscosity at 100° C., in cSt)+80; wherein the heat transfer oil comprises a base oil, made from a waxy feed, with the base oil having:i. greater than 10 weight percent and less than 70 weight percent total molecules with cycloparaffinic functionality, wherein the one or more fractions have at least 31.2 wt % 1-unsaturations by FIMS;b. providing the heat transfer oil to a mechanical system; andc. transferring heat in the mechanical system from a heat source to a heat sink.

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