Types of polyester-modified organopolysiloxanes

US8729207B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Christian Hartung · Essen, DE
• Michael Ferenz · Essen, DE
• Wilfried Knott · Essen, DE
• Helmut Ritter · Wuppertal, DE
• Michael Fiedel · Essen, DE

Key dates

• Filing date: Jul 7, 2011
• Grant date: May 20, 2014
• Expiry date: Jan 10, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L83/10
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to new types of polyester-polysiloxane block copolymers, to processes for their preparation and to their use.