Polysiloxane defoaming agent

US11298634B2 · kind B2 · utility

Assignee

• BYK-CHEMIE GMBH · DE

Inventors

• Verena Wintermeyer · Wesel, DE
• Guillaume Wojciech Jaunky · Wesel, DE
• Mirco Süselbeck · Wesel, DE
• Mathis Kulessa · Wesel, DE
• Daniela Leutfeld · Wesel, DE

Key dates

• Filing date: Sep 25, 2018
• Grant date: Apr 12, 2022
• Expiry date: Sep 25, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D7/67
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to the use of a polysiloxane having a plurality of siloxane groups and at least one tertiary amide group covalently linked as a pending and/or terminal group to the polysiloxane, as a defoaming agent in a liquid composition.