Process for the production of difluoromethane
US6844474B1 · kind B1 · utility
0Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1997 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | Oct 28, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/206
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a vapor phase process for the production of difluoromethane, HFC-32. The process of this invention provides for the preparation of HFC-32 by a process that exhibits both good product yield and selectivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.