Compositions – Heat-exchange – low-freezing or pour point – or high boiling...
Reexamination Certificate
2005-11-17
2008-08-12
Ogden, Necholus (Department: 1796)
Compositions
Heat-exchange, low-freezing or pour point, or high boiling...
C252S073000, C252S075000, C429S006000, C429S006000, C429S120000
Reexamination Certificate
active
07410598
ABSTRACT:
A nontoxic fuel cell engine coolant which has an electrical resistivity of greater than 250 kOhm-cm, a boiling point of greater than 90° C., a freezing point of less than −40° C., a thermal conductivity of greater than 0.4 W/m-k, a viscosity of less than 1 cPs at 80° C., a viscosity of less than 6 cPs at 0° C., a heat capacity of greater than 3 kJ/kg-K, and which is compatible with current cooling system materials.
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“A Chemical Base for Engine Coolant/Antifreeze With Improved Thermal Stability Properties,” by E. R. Eaton, W. H. Boon, and C. J. Smith, SAE Technical Paper Series 2001-01-1182, SAE 2001 World Congress, Detroit, Michigan, Mar. 5-8, 2001.
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Boon Wyndham Henry
Eaton Edward Raynes
Smith Christopher John
Ogden Necholus
Shell Oil Company
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