Process for drying difluoromethane
US7273512B2 · kind B2 · utility
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5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 2002 |
| Grant date | Sep 25, 2007 |
| Priority date | — |
| Expiry date | Oct 4, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J20/3408
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for drying wet F32, which comprises placing a stream of the said F32 in continuous contact with a feed stock of a composition comprising a molecular sieve chosen from a 3A type sieve, at a temperature of between 5 and 78° C. and at a pressure of between 0.5 and 25 atm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.