Perfluorobutyl ether-based composition
US7662303B2 · kind B2 · utility
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7Claims
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Inventor
Key dates
| Filing date | Jan 10, 2008 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Jan 10, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/114
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to perfluorobutyl ether mixtures or compositions that are azeotropic or of azeotropic type. More particularly, one subject of the invention is compositions comprising at least one nonafluorobutyl alkyl ether and a biodegradable compound, capable of being used as a solvent or refrigerant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.