Process for producing 2,3,3,3-tetrafluoropropene
US10131597B2 · kind B2 · utility
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4References
19Claims
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Key dates
| Filing date | Nov 2, 2012 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | Nov 2, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates, in part, to the discovery that, during the fluorination of certain fluoroolefin starting reagents, oligomerization/polymerization of such reagents reduces the conversion process and leads to increased catalyst deactivation. The present invention also illustrates that vaporizing such starting reagents in the presence of one or more organic co-feed reduces such oligomerization/polymerization and improves catalytic stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.