Patent ID: 8075797
Filing Date: 2011-12-13
Classification: C07C

Abstract:
1. A composition comprising a ternary azeotrope or azeotrope-like mixture consisting essentially of 1,1,1,3,3 pentafluoropropane, 1-chloro-3,3,3-trifluoropropene, and hydrogen fluoride, wherein said 1,1,1,3,3-pentafluoropropane is present in an amount of about 24 to about 45 weight percent based upon the total weight of the azeotrope-like mixture; said 1-chloro-3,3,3-trifluoropropene is present in an amount of about 42 to about 65 weight percent based upon the total weight of the azeotrope-like mixture; and said hydrogen fluoride is present in an amount of about 0.5 to about 22 weight percent based upon the total weight of the azeotrope-like mixture.