Linear polydimethylsiloxane-polyether copolymers having amino and/or quaternary ammonium groups and use thereof

US8957009B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Frank Schubert · Neukirchen-Vluyn, DE
• Wilfried Knott · Essen, DE
• Michael Ferenz · Essen, DE
• Klaus-Dieter Klein · Oberkochen, DE
• Tobias Maurer · Velbert, DE
• Ralph Scheuermann · Bottrop, DE
• Bernard William Kluesener · Cadiz, US
• Rajan Keshav Panandiker · Sharonville, US

Key dates

• Filing date: Dec 29, 2010
• Grant date: Feb 17, 2015
• Expiry date: Dec 29, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q5/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Linear polydimethylsiloxane-polyether copolymers with amino and/or quaternary ammonium groups, obtainable by the reaction of organopolysiloxanes functionalized with secondary aminoalkyl groups with the reaction products formed from compounds containing epoxy groups and amines, the use thereof and process for preparation thereof.