Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600005 | Method for producing poly-(1,4-phenylenazine-N,N-dioxide) by oxidizing p-benzoquinonedoxime | Stefan Dehnicke, Ernst List, Bernhard Krtsch, Helmut Rullman | 2003-07-29 |
| 5962576 | Water-based adhesive | Stefan Dehnicke, Ernst List, Helmut Rullmann | 1999-10-05 |
| 4988753 | Vulcanizable binder dispersion composition | Helmut Rullmann, Manfred Gebhard | 1991-01-29 |