Process for preparing stable polymers containing vinylimidazole

US12281225B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Stephan Hueffer · Ludwigshafen, DE
• Roland Ettl · Haßloch, DE
• Ruediger Lukas · Ludwigshafen, DE
• Andrea Schiller · Ludwigshafen, DE
• Frank Dietsche · Schriesheim, DE
• Juergen Detering · Schifferstadt, DE

Key dates

• Filing date: Jul 3, 2019
• Grant date: Apr 22, 2025
• Expiry date: Mar 26, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/12
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Described herein are aqueous mixtures including water, 1-vinylimidazole-containing polymer(s) (P) and quaternary ammonium salts (QA). Also described herein are methods of production and use of same.