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US 10,767,913 B2Granted
Compositions comprising 1,1-difluoroethene (R-1132A)
AssigneeMexichem Fluor S.A. De C.V.
InventorsRobert E. Low, Andrew P. Sharratt
Life of this patent
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Abstract
The invention provides a composition comprising 1,1-difluoroethene (R-1132a); a second component selected from the group consisting of hexafluoroethane (R-116), ethane (R-170) and mixtures thereof; and, optionally carbon dioxide (CO2, R-744).
Claims20
An azeotropic or near-azeotropic composition comprising from about 14 to about 99% by weight of 1,1-difluoroethene (R-1132a) and from about 1 to about 86% by weight of hexafluoroethane (R-116).
Dependencies are inferred from the claim text.