Process for the separation of crude oil emulsions of the water-in-oil type

US5039450A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Rainer Kupfer · Hattersheim, DE
• Willibald Bose · Altötting, DE
• Martin Hille · Liederbach, DE
• Roland Bohm · Altenberge, DE
• Friedrich Staiss · Wiesbaden, DE

Key dates

• Filing date: Mar 16, 1989
• Grant date: Aug 13, 1991
• Expiry date: Mar 16, 2009

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D17/047
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A process for the separation of crude oil emulsions of the water-in-oil type In the novel process addition products made from certain ethylene oxide/propylene oxide block polymers and certain polyglycidyl ethers of phenol/formaldehyde condensation products are added to the crude oil emulsions.