Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492093 | Radiation-sensitive mixtures comprising IR-absorbing cyanine dyes having a betaine structure or having a betaine structure and containing an anion, and recording materials prepared therewith | Otfried Gaschler, Joerg Jung, Hans-Joachim Schlosser | 2002-12-10 |
| 6365330 | Concentrate and aqueous developer produced therefrom for imagewise exposed recording materials | Thomas Leichsenring, Mario Boxhorn, Thorsten Lifka, Rudolf Zertani | 2002-04-02 |
| 6294298 | Pigmented recording material having a backing coating for the production of offset printing plates | Steffen Denzinger, Michael Robert Doerr, Guenther Hultzsch, Allen P. Gates, Roland Robinson | 2001-09-25 |
| 6238838 | Radiation-sensitive mixture comprising IR-absorbing, anionic cyanine dyes and recording material prepared therewith | Otfried Gaschler, Fritz-Feo Grabley, Joerg Jung, Engelbert Pliefke, Hans-Joachim Schlosser | 2001-05-29 |
| 6197472 | Recording material having a pigment-colored radiation-sensitive layer | Klaus-Peter Konrad, Frank Fischer, John Kynaston Davies | 2001-03-06 |
| 6190825 | Polymers containing N-substituted maleimide units and their use in radiation-sensitive mixtures | Steffen Denzinger | 2001-02-20 |
| 6165685 | Thermally recordable material insensitive to white light | Karin Maerz, Helmut Haberhauer, Hans-Joachim Schlosser, Fritz-Feo Grabley | 2000-12-26 |
| 6100016 | Developer for irradiated, radiation-sensitive recording materials | Steffen Denzinger, Michael Robert Doerr, Klaus-Peter Konrad, Paul E. Eckler | 2000-08-08 |
| 6100004 | Radiation-sensitive mixture and recording material made thereof for offset printing plates | Otfried Gaschler, Helmut Haberhauer, Mathias Eichhorn, Fritz-Feo Grabley, Thomas Leichsenring +2 more | 2000-08-08 |
| 5998084 | Radiation-sensitive recording material for the production of planographic printing plates | Raimund Haas, Guenter Hultzsch, Peter Lehmann, Rudolf Neubauer, Rudolf Zertani | 1999-12-07 |
| 5994029 | Dulled radiation-sensitive recording material and process for its production | Guenter Brenn, Franz Durst, Otfried Gaschler, Guenter Hutzsch, Klaus Joerg | 1999-11-30 |
| 5972572 | Developer for irradiated, radiation-sensitive recording materials | Klaus-Peter Konrad, Steffen Denzinger | 1999-10-26 |
| 5900352 | Developer for irradiated radiation-sensitive recording materials | Werner Frass, Jutta Bachstein | 1999-05-04 |
| 5753404 | Photosensitive recording material containing negative working diazonium salt layer and discontinuous top layer | Otfried Gaschler, Werner Frass, Klaus-Peter Konrad | 1998-05-19 |
| 5753405 | Positive-working recording material containing aluminum base and mat-finished quinone diazide layer developable in weak alkaline developers | Gerhard Buhr | 1998-05-19 |
| 5744272 | Electrophotographic recording material for the production of printing plates | Werner Frass, Fritz-Feo Grabley, Gabor Jerling | 1998-04-28 |
| 5700621 | Polymers and photosensitive mixture prepared therewith | Mathias Eichhorn | 1997-12-23 |
| 5695903 | Process for developing irradiated radiation-sensitive recording materials | Werner Frass, Jutta Bachstein | 1997-12-09 |
| 5637441 | Hydrophilized base material and recording material produced therefrom | Michael Brenk, Mathias Eichhorn | 1997-06-10 |
| 5576137 | Matted, radiation-sensitive recording material and printing plate | Werner Frass, Otfried Gaschler, Klaus Joerg, Guenter Hultzsch | 1996-11-19 |
| 5436106 | Process for the production of a color test image using quinone diazide photosensitive recording material | Dieter Mohr, Martin Benzing, Juergen Mertes, Guenter Hultzsch, Ine Gramm +3 more | 1995-07-25 |
| 5413899 | Light-sensitive mixture containing an 0-naphthoquinonediazide-sulfonic acid ester and recording material produced therewith wherein the 0-naphthoquinone diazides are partial esters | Siegfried Scheler, Gerhard Buhr, Klaus Bergmann, Wolfgang Zahn | 1995-05-09 |
| 5378584 | Radiation-sensitive recording material with a positive-working, radiation-sensitive layer having a rough surface containing a surfactant having polysiloxane units | Hans W. Frass, Ernst-August Hackmann, Klaus Joerg, Dietmar Koenneke, Rudolf Neubauer | 1995-01-03 |
| 5376496 | Radiation-sensitive mixture, radiation-sensitive recording material produced therewith containing halogenated methyl groups in the polymeric binder | Hans W. Frass, Dieter Mohr | 1994-12-27 |
| 5348833 | Colored positive-working quinone diazide photosensitive recording material for the production of a color test image utilizing adhesive layer containing alkali-insoluble organic polymer and alkali-soluble polyester | Dieter Mohr, Martin Benzing, Juergen Mertes, Guenter Hultzsch, Ine Gramm +3 more | 1994-09-20 |