Pharmaceutical preparations having controlled release of active compound and processes for their preparation

US5900425A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Venkata-Rangarao Kanikanti · Leverkusen, DE
• Wolfgang Mück · Wuppertal, DE
• Andreas Ohm · Neuss, DE
• Peter Kurka · Langenfeld, DE
• Gerd Toppel · Odenthal, DE

Key dates

• Filing date: Sep 19, 1997
• Grant date: May 4, 1999
• Expiry date: Sep 19, 2017

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/146
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to pharmaceutical preparations having controlled release of active compound and to processes for their preparation, in particular for poorly soluble active compounds having problematic bioavailability.