Use of molecular sieves for the removal of HFC-23 from fluorocarbon products
US7597744B2 · kind B2 · utility
9Cited by
2References
9Claims
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Key dates
| Filing date | Jul 12, 2006 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Aug 19, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S95/903
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Use of molecular sieves to reduce the amount of trifluoromethane (HFC-23) present in a mixture of HFC-23 with other materials, particularly from mixtures containing HFC-23 and trifluoroiodomethane (CF3I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.