Demulsification compositions, systems and methods for demulsifying and separating aqueous emulsions
US9308474B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Jun 23, 2014 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Jun 23, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D17/047
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides compositions, systems and methods for demulsifying an emulsion including an aqueous phase and an organic phase by adding an effective amount of a composition comprising at least one quaternary organopolysiloxane or salt thereof to the emulsion, the composition optionally including at least one of quaternary epihalohydrin/polyamine copolymers or salts, and/or (poly)diallyldimethylammonium halides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.