Azeotrope-like composition of 1,1,1,3,3-pentafluoropropane and hydrogen fluoride
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United States of America Patent
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May 9, 2000
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N/A
app pub date -
Sep 10, 1999
filing date -
Jul 3, 1996
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Abstract
Provided are azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluoropropane (HFC-245fa) and hydrogen fluoride. Such are useful as an intermediate in the production of HFC-245fa. The latter is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent, aerosol propellant, heat transfer medium, dielectric, fire extinguishing composition and power cycle working fluid.
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