Composition and process for the dehydration of gases
US11123688B2 · kind B2 · utility
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9References
3Claims
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Key dates
| Filing date | Apr 20, 2017 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Sep 11, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2290/545
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a dehydration composition and method of use thereof for drying gas streams, in particular natural gas streams, wherein the dehydration composition comprises (i) a glycol, (ii) an imidazole compound, and optionally (iii) one or more of an alkali metal carboxylate, an additional glycol different than (i), an alkanolamine, a phosphate acid, a salt of a phosphate acid, a borate acid, a salt of a borate acid, a sweetening agent, a low temperature viscosity improver, a corrosion inhibitor, an antifoaming agent, or mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.