Azeotrope and azeotrope-like composition of 2,3,3,3-tetrafluoropropene and ammonia
US8557135B2 · kind B2 · utility
43Cited by
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8Claims
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Key dates
| Filing date | Jul 8, 2011 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Jul 8, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/132
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to azeotrope and azeotrope-like compositions comprised of 2,3,3,3-tetrafluoropropene (HFO-1234yf) and ammonia, and uses thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.