Preparation of W/O emulsions

US6444785B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Michael Gotsche · Aachen, DE
• Claudia Wood · Weinheim, DE
• Kristin Tiefensee · Bad Dürkheim, DE

Key dates

• Filing date: Mar 7, 2000
• Grant date: Sep 3, 2002
• Expiry date: Mar 7, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F6/006
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process is provided for preparing W/O emulsions having crosslinked water-swollen polymers dispersed therein, by aftertreatment with a redox initiator system to reduce the residual monomer content.