Fabrication of multilayer-coated particles and hollow shells via electrostatic self-assembly of nanocomposite multilayers on decomposable colloidal templates

US6479146B1 · kind B1 · utility

Assignee

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

Inventors

• Frank Caruso · Colts Neck Township, US
• Rachel Anne Caruso · Golm, DE
• Edwin Donath · Sanitz, DE
• Helmuth Möhwald · Bingen, DE
• Gleb Sukhorukov · Loughton, GB

Key dates

• Filing date: Nov 7, 2000
• Grant date: Nov 12, 2002
• Expiry date: Nov 7, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2998
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention refers to a new process for preparing coated particles and hollow shells by coating colloidal particles with alternating layers of oppositely charged nanoparticles and polyelectrolytes and optionally removing the colloidal cores.