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US 2026/0218027 A1Published application
Refrigerant blends having low global warming potential
AssigneeThe Chemours Company Fc, LLC
InventorsCHARLES CLINTON ALLGOOD, Barbara Haviland Minor
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Abstract
The present invention relates to processes for preparing refrigerant blends comprising one or more purified hydrofluorocarbon compounds, wherein the one or more hydrofluorocarbon compounds have been recovered from one or more refrigeration, air conditioning or heat pump systems, and purified.
Claims20
A process of preparing a refrigerant blend of R-449A, the process comprising:
- (a) recovering a blend selected from the group consisting of R-407A and R-410A from one or more refrigeration systems;
- (b) purifying the R-407A or R-410A to form purified R-407A or R-410A;
- and
- (c) blending the purified R-407A or R-410A with 2,3,3,3-tetrafluoropropene (HFO-1234yf) to form the refrigerant blend of R-449A;
- and
- (d) optionally adding one or more components of R-449A after step (c) to bring the refrigerant blend into specification.
3 more elements
Dependencies are inferred from the claim text.