Drying of hydrocarbon/hydrochloric acid/water admixtures
US5198121A · kind A · utility
6Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Nov 26, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Water-containing mixtures of at least one hydrocarbon/halocarbon and hydrochloric acid, e.g., the methyl chloride feedstream in conventional process for the synthesis of chloromethanes, are desiccated by intimately contacting such mixtures with an effective drying amount of an essentially anhydrous drying agent that includes (i) a metal sulfate, chloride or perchlorate, or (ii) phosphorus pentoxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.