Hydrofluorocarbon recovery method
US9994649B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Jun 2, 2015 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jun 2, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J11/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for recovering a hydrofluorocarbon, including: producing a wet fluoropolymer by suspension polymerization, solution polymerization, or bulk polymerization in the presence of a hydrofluorocarbon; vaporizing and discharging vaporizable substances including the hydrofluorocarbon by heating the wet fluoropolymer in a container; and transferring the discharged vaporizable substances to a cooling means to cool the substances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.