Copolymers comprising carboxylic acid groups, sulfo groups and polyalkylene oxide groups as a scale-inhibiting additive to washing and cleaning products

US9670435B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Jürgen Detering · Schifferstadt, DE
• Bolette Urtel · Frankenthal (Pfalz), DE
• Heike Weber · Mannheim, DE
• Roland Ettl · Haßloch, DE
• Torben Gädt · Traunstein, DE
• Ewald Heintz · Schweigen-Rechtenbach, DE
• Thorsten Bastigkeit · Wuppertal, DE
• Thomas Eiting · Goldkronach, DE
• Dorota Sendor-Müller · Mülheim an der Ruhr, DE

Key dates

• Filing date: Nov 22, 2011
• Grant date: Jun 6, 2017
• Expiry date: Mar 27, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F220/585
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to copolymers which comprise, in copolymerized form,