Compositions – Vaporization – or expansion – refrigeration or heat or energy...
Reexamination Certificate
2005-08-23
2005-08-23
Hardee, John R. (Department: 1751)
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
C521S114000
Reexamination Certificate
active
06932918
ABSTRACT:
The present invention relates to the discovery of compositions which include fluoroethane, 2-fluoropropane or tert-butylfluoride. These compositions are useful as pure components or with at least one of tetrafluoroethane, difluoroethane, hexafluoropropane, a hydrocarbon or dimethylether.These compositions are useful as aerosol propellants, refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, refrigerants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
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Felix Vinci Martinez
Minor Barbara Haviland
Sievert Allen Capron
E. I. du Pont de Nemours and Company
Edwards Mark A.
Hardee John R.
Sebree Chyrrea J.
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