Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5201921 | Process for identifying plastics by addition of fluorescent dye | Klaus Luttermann, Uwe Claussen, Aziz El Sayed | 1993-04-13 |
| 4287262 | Process for the production of laminate systems from a low density polyethylene coating resin | Forest Engelhard, Rainer Kuhn, Wichard Pump, Hugo Streib | 1981-09-01 |