Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378584 | Radiation-sensitive recording material with a positive-working, radiation-sensitive layer having a rough surface containing a surfactant having polysiloxane units | Ernst-August Hackmann, Klaus Joerg, Dietmar Koenneke, Rudolf Neubauer, Andreas Elsaesser | 1995-01-03 |
| 5376496 | Radiation-sensitive mixture, radiation-sensitive recording material produced therewith containing halogenated methyl groups in the polymeric binder | Andreas Elsaesser, Dieter Mohr | 1994-12-27 |
| 5368975 | Positive-working 1,2-quinone diazide radiation-sensitive mixture and recording material containing urethane compound to diminish developer solubility | Andreas Elsaessser, Otfried Gaschler, Dieter Mohr, Gerhard Buhr | 1994-11-29 |
| 5292626 | Developer composition for irradiated, radiation-sensitive positive-working, negative-working and reversible reprographic layers | Gerhard Buhr, Andreas Elsaesser, Ernst I. Leupold | 1994-03-08 |
| 5227281 | Process for producing negative copies | Otfried Gaschler, Andreas Elsaesser, Dieter Mohr | 1993-07-13 |
| 4990429 | Process for the production of negative relief copies utilizing reversal processing | Paul Stahlhofen | 1991-02-05 |
| 4889788 | Photosensitive composition, photosensitive copying material prepared from this composition with thermal hardening symmetric triazine alkyl(aryl)-ether | Paul Stahlhofen | 1989-12-26 |