Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly

US7101575B2 · kind B2 · utility

Assignee

• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Edwin Donath · Sanitz, DE
• Gleb Sukhorukov · Loughton, GB
• Karl-Heinz Lerche · Berlin, DE
• Andreas Voigt · Regensburg, DE
• Hans Bäumler · Berlin, DE
• Frank Caruso · Colts Neck Township, US
• Helmuth Möhwald · Bingen, DE

Key dates

• Filing date: Feb 27, 2003
• Grant date: Sep 5, 2006
• Expiry date: Oct 1, 2024

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/5015
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to capsules coated with a polyelectrolyte shell and methods for the production thereof.