Aqueous aldehyde solutions for trapping hydrogen sulfide in natural gas and crude oil producing plants
US5152916A · kind A · utility
13Cited by
17References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1990 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Aug 21, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/939
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Aqueous aldehyde solutions for trapping hydrogen sulfide comprising 5 to 50% by weight of an aldehyde and 1 to 5% by weight, relative to the aldehyde solution of a formulation comprising PA0 10 to 80% by weight of an ester of oxalkylated alkylalkylenediamines, which may be quaternized and 20 to 90% by weight of water or of a C.sub.1 -C.sub.4 -alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.