Process for preparing water-soluble or water-dispersible polyether-containing polymers and the use thereof as coating agents, binders and/or film-forming excipients in pharmaceutical dosage forms or packaging materials or as additives in cosmetic, dermatological or hygienic preparations

US7465440B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Maximilian Angel · Mutterstadt, DE
• Michael Gotsche · Aachen, DE
• Karl Kolter · Ludwigshafen am Rhein, DE

Key dates

• Filing date: Jan 24, 2001
• Grant date: Dec 16, 2008
• Expiry date: Dec 9, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K47/34
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A process for preparing graft copolymers of polyvinyl esters by polymerization of