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US 2026/0201231 A1Published application
Heat transfer compositions, methods and sytems
AssigneeSolstice Advanced Materials US, Inc.
InventorsBruno Yuji Kimura de Carvalho, Nitin Karwa, Nilesh Purohit, Hongqing Jin
Life of this patent
Estimating the term…
Abstract
The present invention relates to refrigerants which include HFO-1132(E), HFC-152a, and R-290, and the use of such refrigerants in high transfer applications.
Claims20
A refrigerant comprising:
- a. from about 12% to about 35% by weight of HFO-1132(E);
- b. from about 20% to about 41% by weight of HFC-152a;
- and
- c. from about 42% to about 60% by weight of R-290.
1 more element
A heat transfer composition comprising:
- a. refrigerant comprising:
- i. from about 12% to about 35% by weight of HFO-1132(E);
- ii. from about 20% to about 41% by weight of HFC-152a;
- and
- iii. from about 42% to about 60% by weight of R-290;
- and
- b. at least one lubricant.
4 more elements
A method for replacing the refrigerant in a heat transfer system containing or designed to contain R-290, said method comprising using, instead of R-290, in said heat transfer system a refrigerant comprising:
- i. from about 12% to about 35% by weight of HFO-1132(E);
- ii. from about 20% to about 41% by weight of HFC-152a;
- and
- iii. from about 42% to about 60% by weight of R-290.
1 more element
Dependencies are inferred from the claim text.