Preparation of new stable hydrogen sulfide scavengers useful in both water as well as oil medium applications
US10669228B2 · kind B2 · utility
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3References
5Claims
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Key dates
| Filing date | Sep 4, 2019 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Sep 4, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2290/545
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The disclosure provides compositions and methods that are useful in removing, lowering, or otherwise controlling hydrogen sulfide and mercaptans. The compositions and methods can be used in any industry where hydrogen sulfide poses problems, such as when dealing with crude oil based, natural gas based, and/or coal based products. In some embodiments, the compositions include one or more alkoxylated amino formaldehyde adducts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.