Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551265 | Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs | Wolfgang Brinkwerth, Roderich Raue, Rudolf Schieder, Helmut Telle | 1985-11-05 |
| 4338258 | Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs | Wolfgang Brinkwerth, Roderich Raue, Rudolf Schieder, Helmut Telle | 1982-07-06 |