Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863236 | Optical waveguide with an essentially fluorine-free polymer core and a fluorine-containing polymer jacket | Peter Herbrechtsmeier, Manfred Fleissner, Werner Groh, Gerhard Wieners | 1989-09-05 |
| 4800012 | Electrochemical process for the replacement of halogen atoms in an organic compound | Steffen Dapperheld, Manfred Wildt | 1989-01-24 |