Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368968 | Modified polyester resins, a process for their preparation and toners containing such polyester resins | Rolf Wehrmann, Matthias Kocher, Harald Pielartzik | 1994-11-29 |
| 5292712 | Thermoreactive recording material having particular stability | Heinrich Schrage, Pieter Ooms, Hans-Josef Buysch | 1994-03-08 |