Preparation of an aqueous copolymer solution

US6844410B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Kathrin Michl · Ludwigshafen, DE
• Matthias Gerst · Maikammer, DE
• Matthias Laubender · Schifferstadt, DE
• Dieter Faul · Niederkirchen, DE
• Hans-Jurgen Raubenheimer · Ketsch, DE

Key dates

• Filing date: May 22, 2003
• Grant date: Jan 18, 2005
• Expiry date: May 22, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F220/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides a process for preparing aqueous copolymer solutions by polymerizing ethylenically unsaturated compounds in the presence of foam inhibitors.