Composition comprising 2,3,3,3-tetrafluoropropene
US8858824B2 · kind B2 · utility
39Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Dec 4, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a composition comprising a lubricant based on polyol esters (POE) and a refrigerant F including at least 99.8 wt % 2,3,3,3-tetrafluoropropene, between 0.5 and 500 ppm 1,1,1,2,3-pentafluoropropene, between 0.5 and 500 ppm trifluoropropyne and between 1 and 500 ppm compounds based on 2 or 3 carbon atoms optionally including an olefinic bond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.