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US 12,612,542 B2Granted
Refrigerant compositions
AssigneeMexichem Fluor S.A. De C.V.
InventorRobert E. Low
Life of this patent
Estimating the term…
Abstract
According to the present invention, there is provided a composition carbon dioxide (CO2, R-744), difluoromethane (R-32) and 1,1-difluoroethylene (R-1132a).
Claims33
A composition comprising:
- (a) at least about 35 weight % carbon dioxide (CO2, R-744);
- (b) from about 1 to about 30 weight % difluoromethane (R-32);
- and
- (c) from about 28 to about 55 weight % 1,1-difluoroethylene (R-1132a).
1 more element
Dependencies are inferred from the claim text.