Process for producing 2,3,3,3-tetrafluoropropene
US10343962B2 · kind B2 · utility
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26Claims
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Key dates
| Filing date | Mar 21, 2017 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Mar 21, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C21/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates, in part, to the discovery that, during the fluorination of certain fluoroolefin starting reagents, particularly, 1,1,2,3-tetrachloropropene (1230xa), oligomerization/polymerization of such starting reagents reduces the conversion process and leads to increased catalyst deactivation. The present invention also illustrates that providing one or more organic co-feed to the fluooolefin starting stream reduces such oligomerization/polymerization and improves catalystic stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.