Heat transfer fluid for secondary refrigeration systems...

Refrigeration – Processes – Employing diverse materials or particular material in...

Reexamination Certificate

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C252S071000

Reexamination Certificate

active

06983614

ABSTRACT:
A formate salt based heat transfer fluid containing sulfamic acid for a secondary refrigeration loop is disclosed. The formate based heat transfer fluid generally is a more effective heat transfer medium than a glycol based fluid designed to operate in the same temperature range. The formate based fluid also has lower toxicity and environmental risks than the glycol fluid.

REFERENCES:
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patent: 4642194 (1987-02-01), Johnson
patent: 4699726 (1987-10-01), Nolin et al.
patent: 4759852 (1988-07-01), Trulear
patent: 5784887 (1998-07-01), Chow et al.
patent: 6148634 (2000-11-01), Sherwood
patent: 6723254 (2004-04-01), Starzmann

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