Azeotrope-like compositions of pentafluoropropane, chlorotrifluoropropene, and hydrogen fluoride
US8075797B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Jan 25, 2010 |
| Grant date | Dec 13, 2011 |
| Priority date | — |
| Expiry date | Jan 25, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C21/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is directed to a ternary azeotrope-like mixture consisting essentially of effective amounts of 1,1,1,3,3-pentafluoropropane, 1-chloro-3,3,3-trifluoropropene, and hydrogen fluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.