Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268351 | Matrix film tablet with controlled release of a natural mixture of conjugated estrogens | Bernd Thumbeck, Gerhard Kristen, Margit Wiards | 2012-09-18 |
| 5840330 | Process for the preparation of shaped, compressed controlled-release unit-dosage forms, and the compressed unit-dosage forms thus obtained | Berthold Stemmle, Alexander Wirl, Fritz Demmer | 1998-11-24 |
| 4925772 | Anti-radiation covering for electronic components | Ferdinand Quella, Oskar Nuyken, Thomas Suefke | 1990-05-15 |
| 4920038 | Printed circuit manufacture employing a radiation cross-linkable photo-polymer system | Oskar Nuyken, Walter Melchior | 1990-04-24 |
| 4876322 | Irradiation cross-linkable thermostable polymer system, for microelectronic applications | Friedrich Koch, Ferdinand Quella | 1989-10-24 |
| 4735891 | Thermally stable, irradiation cross-linkable polymer systems based on bisphenols and epichlorohydrin | Oskar Nuyken | 1988-04-05 |
| 4732843 | Irradiation cross-linkable thermostable polymer system, for microelectronic applications | Friedrich Koch, Ferdinand Quella | 1988-03-22 |