Process for producing a 2,2-difluoropropane
US5264639A · kind A · utility
13Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1992 |
| Grant date | Nov 23, 1993 |
| Priority date | — |
| Expiry date | May 20, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/208
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing a 2,2-difluoropropane of the following formula (2), which comprises fluorinating a chlorine-containing 2,2-halogenopropane of the following formula (1) by hydrogen fluoride or a fluorinating agent: EQU C.sub.3 H.sub.a Cl.sub.b F.sub.c (1) EQU C.sub.3 H.sub.a Cl.sub.b-x F.sub.c+x (2) wherein a, b, c and x are integers satisfying the following conditions: EQU a.gtoreq.0, b.gtoreq.1, c.gtoreq.0, x.gtoreq.1, a+b+c=8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.