Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455645 | Process for the production of telechelic polymers, telechelic polymers produced in this manner and use thereof | Martin Melchiors, Dieter Margotte, Helmut Keul, Andreas Neumann | 2002-09-24 |
| 6451921 | Block copolymers with sulfonated polyether sulfone units | Hilmar Weisse, Helmut Keul | 2002-09-17 |