Catalysts and process to manufacture 2,3,3,3-tetrafluoropropene
US8487145B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Mar 12, 2012 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Mar 12, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J35/615
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a process for the manufacture of 2,3,3,3-tetrafluoropropene comprising: (a) contacting 1,1,1,2,3-pentafluoropropane with a catalyst comprised of chromium (III) oxide having a surface area of at least 150 m2/g and having an alkali metal loading of at least 7 milligrams of alkali metal per 100 square meters of catalyst surface area, to produce a product mixture comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride; and (b) recovering said 2,3,3,3-tetrafluoropropene from the product mixture produced in (a).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.