Branched polysiloxane-polyether-based copolymers, their preparation and use

US5625024A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Sabine Schlitte · Langenfeld, DE
• Hubertus Eversheim · Wermelskirchen, DE
• Gebhard Wagner · Odenthal, DE
• Karl-Heinz K asler · Bensberg, DE
• Jan Mazanek · Cologne, DE
• Hans-Ulrich Meier-Westhues · Leverkusen, DE

Key dates

• Filing date: Mar 23, 1995
• Grant date: Apr 29, 1997
• Expiry date: Mar 23, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/46
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to novel polysiloxane-polyether-based copolymers which contain T units and comprise randomly linked organopolysiloxane units and linear polyether units, to a method for their preparation and their use.