Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342444 | Dyestuffs and their use for mass-coloration of plastics | Peter Roschger | 1994-08-30 |
| 5292881 | New naphthalimides, toners containing these and the use of the new naphthalimides as additives for toners | Horst Berneth, Roderich Raue, Jurgen-Rolf Hassdenteufel, Matthias Kocher | 1994-03-08 |