Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936404 | Radiation-sensitive recording material having a structured back | Steffen Denzinger, Michael Dorr, Günther Hultzsch | 2005-08-30 |
| 6238838 | Radiation-sensitive mixture comprising IR-absorbing, anionic cyanine dyes and recording material prepared therewith | Otfried Gaschler, Andreas Elsaesser, Fritz-Feo Grabley, Joerg Jung, Hans-Joachim Schlosser | 2001-05-29 |
| 5967047 | Thermal process for applying hydrophilic layers to hydrophobic substrates for offset printing plates | Heinrich Kuhn, Dieter Jaculi, Ulrich Bos, Werner Frass | 1999-10-19 |
| 5302460 | Support material for offset-printing plates in the form of a sheet, a foil or a web process for its production and offset-printing plate comprising said material | Raimund J. Faust | 1994-04-12 |
| 5262244 | Hydrophilic copolymers and their use in reprography | Raimund J. Faust, Silvia Lutz | 1993-11-16 |
| 5219664 | Hydrophilic copolymers and their use in reprography | Raimund J. Faust, Silvia Lutz | 1993-06-15 |
| 5178963 | Hydrophilic copolymers and their use in reprography | Raimund J. Faust, Silvia Lutz | 1993-01-12 |
| 5178961 | Thermally crosslinkable hydrophilic copolymers and their use in reprography | Raimund J. Faust, Silvia Lutz | 1993-01-12 |
| 5156723 | Process for electrochemical roughening of aluminum for printing plate supports | Michael Brenk | 1992-10-20 |
| 4840709 | Single-stage electrochemical image-forming process for reproduction layers | — | 1989-06-20 |
| 4840713 | Process for the electrochemical roughening of aluminum for use in printing plate supports | — | 1989-06-20 |
| 4834844 | Process for the selective additive correction of voids in copying layers | Werner Frass | 1989-05-30 |
| 4824535 | Process for the electrochemical graining of aluminum for use in printing plate supports | Dieter Mohr | 1989-04-25 |
| 4786381 | Process for electrochemically modifying support materials of aluminum or aluminum alloys, which have been grained in a multi-stage process and use of these materials in the manufacture of offset-printing plates | Dieter Mohr | 1988-11-22 |
| 4725526 | Process for reducing halations using lubricant in the course of irradiating and developing reproduction layers used for preparing printing plates | Werner Frass | 1988-02-16 |
| 4684594 | Electrophotographic process for preparing printing forms using alkaline decoater solution | Klaus Schmitt, Klaus Schoen, Peter Riedel, Juergen Lingnau | 1987-08-04 |
| 4671859 | Process for the electrochemical graining of aluminum for use as printing plate supports | — | 1987-06-09 |
| 4666576 | Process for the electrochemical roughening of aluminum for use in printing plate supports | — | 1987-05-19 |
| 4661219 | Process for the electrochemical roughening of aluminum for use in printing plate supports | — | 1987-04-28 |
| 4619742 | Process for the simultaneous graining and chromium-plating of steel plates as supports for lithographic applications | — | 1986-10-28 |
| 4614571 | Process for electrochemically graining steel plates used as offset printing plate supports, and an electrolyte solution suitable for the process | — | 1986-09-30 |
| 4614570 | Single-stage electrochemical image-forming process for reproduction layers | — | 1986-09-30 |
| 4566958 | Process for electrochemical roughening of aluminum useful for printing plate supports, in an aqueous mixed electrolyte | — | 1986-01-28 |
| 4549944 | Electrochemical developing process for reproduction layers | — | 1985-10-29 |
| 4492616 | Process for treating aluminum oxide layers and use in the manufacture of offset-printing plates | Gerhard Usbeck | 1985-01-08 |