Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314787 | Process for treating lithographic printing forms and lithographic printing forms produced thereby | Michael Brenk | 1994-05-24 |
| 5292626 | Developer composition for irradiated, radiation-sensitive positive-working, negative-working and reversible reprographic layers | Gerhard Buhr, Hans W. Frass, Ernst I. Leupold | 1994-03-08 |
| 5275908 | Radiation-sensitive mixture and recording material comprising as a binder a copolymer having hydroxybenzyl(meth)acrylate groups or derivatives thereof | Dieter Mohr | 1994-01-04 |
| 5227281 | Process for producing negative copies | Otfried Gaschler, Dieter Mohr, Hans W. Frass | 1993-07-13 |
| 5068163 | Radiation-sensitive positive working composition and copying material | Werner Frass, Dieter Mohr | 1991-11-26 |
| 4946760 | Radiation-sensitive mixture | — | 1990-08-07 |
| 4840867 | Positive-working radiation-sensitive recording material with radiation-sensitive 1,2-quinone diazide underlayer and thicker positive-working radiation-sensitive overlayer | Klaus Rode | 1989-06-20 |