Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374184 | Photopolymerizable material and process for the production of a colored image | Stephan J. W. Platzer, Manfred Michel, Andrea Buchmann | 1994-12-20 |
| 5368975 | Positive-working 1,2-quinone diazide radiation-sensitive mixture and recording material containing urethane compound to diminish developer solubility | Andreas Elsaessser, Hans W. Frass, Otfried Gaschler, Dieter Mohr | 1994-11-29 |
| 5306595 | Composition containing naphthoquinone diazide sulfonic acid mixed esters and radiation-sensitive recording material prepared therewith | Siegfried Scheler, Wolfgang Zahn, Axel Schmitt | 1994-04-26 |
| 5292626 | Developer composition for irradiated, radiation-sensitive positive-working, negative-working and reversible reprographic layers | Andreas Elsaesser, Hans W. Frass, Ernst I. Leupold | 1994-03-08 |