Selected hydroxy-oximes as iron deactivators
US5100532A · kind A · utility
5Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1990 |
| Grant date | Mar 31, 1992 |
| Priority date | — |
| Expiry date | Dec 5, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/231
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
2'-hydroxy-4' or 5'-alkylacetophenone oximes and 2-hydroxy-4 or 5-alkylbenzaldehyde oximes are used to deactivate iron species contained in hydrocarbon fluids. Left untreated, iron leads to decomposition of the hydrocarbon, resulting in the formation of gummy, polymer masses in the hydrocarbon liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.