Emulsion breaking using alkylphenol-polyethylene oxide-acrylate polymer coated coalescer material
US5156767A · kind A · utility
14Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1992 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Feb 26, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D17/047
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of emulsion breaking comprising contacting an emulsion with a substrate having adhered thereto an alkylphenol-polyethylene oxide-acrylate polymer. The emulsion breaking material is used to separate water-in-oil emulsion by coalescence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.