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US 9,752,069 B2Granted
Refrigerant composition
AssigneeArkema France
InventorBeatrice Boussand
Life of this patent
Estimating the term…
Abstract
Refrigerant fluids that can be used in different types of compression systems. A composition including between 36 and 39 wt. % of difluromethane (HFC-32), between 28 and 32 wt. % of pentafluoroethane (HFC-125), and between 31 and 35 wt. % of tetrafluoroethane (HFC-134a). The composition may be used as a replacement for R-404A.
Claims12
A composition comprising:
- a. from 36 to 39% by weight of difluoromethane (HFC-32);
- b. from 28 to 32% by weight of pentafluoroethane (HFC-125);
- c. from 31 to 35% by weight of tetrafluoroethane (HFC-134a).
Dependencies are inferred from the claim text.