Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5488119 | Polymerisable photochromic naphthacenediones, polymers of these monomers, process for their preparation and the use thereof | Walter Fischer | 1996-01-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5488119 | Polymerisable photochromic naphthacenediones, polymers of these monomers, process for their preparation and the use thereof | Walter Fischer | 1996-01-30 |