Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822132 | Dressing | Helge Ahrens, Carsten Hartkopf, Jochen Kenndoff, Ulrich Kohler, Dirk Lenz +2 more | 2004-11-23 |
| 6616793 | Production of multilayered thin plasters comprising a carrier material based on polyurethane | Holger Kartheus, Andreas Beckmann, Jurgen Quandt, Klaus Ruhnau, Thomas Möller | 2003-09-09 |
| 6191216 | Hydrophilic, self-adhesive polyurethane gel substances | Otto Ganster, Jörg Büchner, Jochen Kenndoff | 2001-02-20 |
| 5844013 | Hydrophilic polyurethane gel foams, particularly for treating deep wounds, wound dressing based on hydrophilic polyurethane gel foams and method of manufacture | Jochen Kenndoff, Vadim Lenuck | 1998-12-01 |
| 5147344 | Hydrogel foams, and a process for their preparation | Katrin Borgschulte, Hanns Pietsch | 1992-09-15 |
| 4996054 | Antithrombogenic, non-calcifying material and method of making articles for medical purposes | Hanns Pietsch, Holger Kartheus, Hans-Joachim Holtzmann, Helmut Reul | 1991-02-26 |
| 4831065 | Antithrombogenic, non-calcifying material and method of making articles for medical purposes | Hanns Pietsch, Holger Kartheus, Hans-Joachim Holtzmann, Helmut Reul | 1989-05-16 |
| 4778461 | Heart valve prosthesis and process for its production | Hanns Pietsch, Holger Kartheus, Hans-Joachim Holtzmann, Helmut Reul | 1988-10-18 |
| 4221214 | Supporting bandage | Hanns Pietsch, Dietrich Schulte, Jurgen Quandt | 1980-09-09 |