Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427759 | Biodegradable multi-layer film | Ralf Hackfort, Frank Rörthmans, Harald Schmidt, Christoph Hess | 2025-09-30 |
| 11952489 | Biologically degradable film | Harald Schmidt, Thorsten Roloff, Wolfgang Friedek | 2024-04-09 |
| 11358378 | Biodegradable multi-layer film | Ralf Hackfort, Frank Rörthmans, Harald Schmidt, Christoph Hess | 2022-06-14 |
| 9228066 | Polymer material and method for the production thereof | Harald Schmidt, Christoph Hess, Ralf Hackfort | 2016-01-05 |
| 8715816 | Multilayer film and method for manufacturing same | Harald Schmidt, Christoph Hess, Ralf Hackfort | 2014-05-06 |
| 8563652 | Polymer material and method for the production thereof | Harald Schmidt, Christoph Hess, Ralf Hackfort | 2013-10-22 |