Use of polyolethers for producing porous plastic coatings

US12031006B2 · kind B2 · utility

Assignee

• Evonik Operations GmbH · DE

Inventors

• Michael Klostermann · Essen, DE
• Jan Marian von Hof · Bochum, DE
• Martin Glos · Borken, DE
• Christian Eilbracht · Herne, DE
• Verena Dahl · Cologne, DE
• Oliver Springer · Wesel, DE
• Hans Henning Wenk · Mülheim an der Ruhr, DE

Key dates

• Filing date: Aug 2, 2018
• Grant date: Jul 9, 2024
• Expiry date: Dec 20, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2201/54
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

The invention relates to the use of polyolethers as additives in aqueous polymer dispersions for producing porous polymer coatings, preferably for producing porous polyurethane coatings.