Process for treating a lipophilic fluid in the form of a siloxane emulsion

US6914040B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• John Christopher Deak · Sharonville, US
• Paul France · Sharonville, US
• Kristina Marie Rohal Gansle · Cincinnati, US
• Anna Radomyselski · Hamilton, US
• Arseni Radomyselski · Hamilton, US
• John Cort Severns · Sharonville, US
• Christiaan Arthur Jacques Kamiel Thoen · Haasdonk, BE
• Jean Wevers · Grimbergen, BE

Key dates

• Filing date: Sep 10, 2002
• Grant date: Jul 5, 2005
• Expiry date: Oct 7, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D11/0094
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for treating a lipophilic fluid contained in an emulsion of water and lipophilic fluid. The process includes the steps of pretreating the emulsion, removing lipophilic fluid from the emulsion, and purifying the lipophilic fluid to remove at least a portion of the impurities collected during the use of the emulsion. Method options are provided for each of the aforementioned steps.