Azeotrope or azeotrope like compositions comprising 1234yf
US11629279B2 · kind B2 · utility
0Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2019 |
| Grant date | Apr 18, 2023 |
| Priority date | — |
| Expiry date | May 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides azeotropic or azeotrope-like compositions comprising 1234yf and at least one component selected from a group comprising of R-134, and R-134a. The compositions of the present invention are useful as refrigerants, heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.