Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418311 | Method for the synthesis of polymers, which have polyurethane and/or polyurea groups | Werner Schafer, Manfred Scheiba | 1995-05-23 |
| 5196054 | Preparation for the water-repellant impregnation of porous, mineral building materials | Manfred Schmuck | 1993-03-23 |