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US 11,306,235 B2Granted
Compositions containing difluoromethane and fluorine substituted olefins
AssigneeHoneywell International Inc.
InventorsRyan Hulse, Rajiv Ratna Singh, Justin Becker, Robert Gerard Richard, Rajat S. Basu, Hang T. Pham, Ian Shankland
Life of this patent
Estimating the term…
Abstract
Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.
Claims10
A refrigerant for replacing R-404A in a medium temperature or low temperature refrigeration system or for an air conditioning system, said refrigerant consisting of:
- (a) from 70% to 80% by weight of 1234yf;
- and
- (b) from 20% to 30% by weight of R-32.
A refrigerant for replacing R-404A in a low temperature or a medium temperature refrigeration system or for an air conditioning system, said refrigerant consisting of:
- (a) about 80% by weight of 1234yf;
- and
- (b) about 20% by weight of R-32.
Dependencies are inferred from the claim text.