Use of cyclic aminals of glyoxylic acid for trapping hydrogen sulphide
US5536481A · kind A · utility
11Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1994 |
| Grant date | Jul 16, 1996 |
| Priority date | — |
| Expiry date | Dec 14, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L3/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Use of a product of formula (I): ##STR1## in which M represents a hydrogen, lithium, sodium or potassium atom, or an NH.sub.4 group and n represents 2 or 3, as an agent for trapping hydrogen sulphide, its use for the preparation of a composition for trapping hydrogen sulphide and process for the elimination of hydrogen sulphide from a fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.