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US 6,604,368 B1Granted
R 12 replacement refrigerant
AssigneeRefrigerant Products, Ltd.
InventorsRichard L. Powell, John Edward Poole, John Derek Capper, James Victor Thomas
Life of this patent
Estimating the term…
Abstract
A refrigerant composition comprising 1,1,1,2-tetafluoroethane (R134a) butane and pentane wherein the weights of butane, pentane and R134a are in the range: Pentane and butane 1-5% R134a 99-95%
Claims7
A refrigerant composition consisting essentially of 1,1,1,2-tetrafluoroethane (R134a), butane and pentane wherein the weights of butane, pentane and R134a are in the range:
- pentane and butane 1-5% R134a 99-95%.
Dependencies are inferred from the claim text.