Demulsifying and antifouling agent suitable for separating possibly emulsified water/hydrocarbon mixtures
US5154857A · kind A · utility
29Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1991 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Aug 9, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G33/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a water-soluble demulsifying and antifouling agent capable of separating possibly emulsified water/hydrocarbon mixtures, and particularly water/crude petroleum mixtures containing suspended matter. Said agent comprises from 10 to 60 percent by weight of a combination of the following compounds: PA1 at least one quaternary tetraalkylammonium halide; and PA1 at least one polyalkyloxylated alkylenediamine or its sulfate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.