Process for the preparation of bone cements comprising active compounds

US5797873A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Hans-Werner Franz · Dieburg, DE
• Berthold Nies · Kassel, DE

Key dates

• Filing date: Nov 10, 1997
• Grant date: Aug 25, 1998
• Expiry date: Nov 10, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S623/901
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The invention relates to a process for the preparation of bone cements comprising active compounds and bone replacement materials or implantable drug depots produced therefrom. The bone cement is composed of a solid component and a liquid component. The active compound is dissolved in an organic solvent, the content of which does not exceed 50% by weight, based on the liquid component, and this solution is mixed with the liquid component or with the solid component.