Method of processing technical gases
US4145192A · kind A · utility
8Cited by
4References
6Claims
0Family size
Inventors
Key dates
| Filing date | Feb 23, 1977 |
| Grant date | Mar 20, 1979 |
| Priority date | — |
| Expiry date | Feb 23, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/11
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of processing technical gases such as natural or synthetic gases containing water vapor, acidic and neutral sulfur compounds and/or higher hydrocarbons which comprises treating said gas with an anhydrous solvent containing N-methyl-.epsilon.-caprolactam, an alkanolamine and a glycol to simultaneously remove said sulfur compounds, hydrocarbons and water vapor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.