Back to results
US 11,306,234 B2Granted
Composition containing refrigerant and application thereof
AssigneeDaikin Industries, Ltd.
InventorsShun Ohkubo, Mitsushi Itano, Hitomi Kuroki, Tatsumi Tsuchiya, Kenji Gobou
Life of this patent
Estimating the term…
Abstract
The present invention provides a composition containing a refrigerant having characteristics equal to or higher than those of R23. Specifically, the present invention provides a composition containing a refrigerant, wherein the refrigerant contains (a) at least one perfluorocarbon (PFC) selected from the group consisting of PFC-14, PFC-116, PFC-c216, PFC-218, PFC-c318, and PFC-31-10, and (b) an unsaturated compound.
Claims13
A composition comprising a refrigerant, wherein the refrigerant comprises
- (a) PFC-14 as perfluorocarbon (PFC),
- (b) an unsaturated compound, and
- (c) HFC,
- wherein the (b) unsaturated compound is HFO-1132a,
- wherein the (c) HFC is HFC-23, and
- wherein PFC-14 is contained in an amount of 1 to 15 mass % based on the total amount of the refrigerant.
3 more elements
Dependencies are inferred from the claim text.