Process for preparing 2,3,3,3-tetrafluoropropene
US8344191B2 · kind B2 · utility
6Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2009 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Jul 24, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a process for producing 2,3,3,3-tetrafluoropropene represented by the formula CF3CF═CH2, comprising contacting a fluorine-containing propane represented by the formula CF2XCFYCH2Z, wherein X is Cl, Br, or I; one of Y and Z is H, and the other is F, Cl, Br, or I, with at least one catalyst selected from the group consisting of chromium oxides, fluorinated chromium oxides, and iron fluorides in a gas phase. According to the process of the invention, 2,3,3,3-tetrafluoropropene can be easily produced under economically advantageous conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.