Issued Patents All Time
Showing 1–9 of 9 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 | Andreas Elsaesser, Joerg Jung, Hans-Joachim Schlosser | 2002-12-10 |
| 6238838 | Radiation-sensitive mixture comprising IR-absorbing, anionic cyanine dyes and recording material prepared therewith | Andreas Elsaesser, Fritz-Feo Grabley, Joerg Jung, Engelbert Pliefke, Hans-Joachim Schlosser | 2001-05-29 |
| 6100004 | Radiation-sensitive mixture and recording material made thereof for offset printing plates | Andreas Elsaesser, Helmut Haberhauer, Mathias Eichhorn, Fritz-Feo Grabley, Thomas Leichsenring +2 more | 2000-08-08 |
| 5994029 | Dulled radiation-sensitive recording material and process for its production | Guenter Brenn, Franz Durst, Andreas Elsaesser, Guenter Hutzsch, Klaus Joerg | 1999-11-30 |
| 5753404 | Photosensitive recording material containing negative working diazonium salt layer and discontinuous top layer | Andreas Elsaesser, Werner Frass, Klaus-Peter Konrad | 1998-05-19 |
| 5576137 | Matted, radiation-sensitive recording material and printing plate | Werner Frass, Klaus Joerg, Guenter Hultzsch, Andreas Elsaesser | 1996-11-19 |
| 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, Dieter Mohr, Gerhard Buhr | 1994-11-29 |
| 5227281 | Process for producing negative copies | Andreas Elsaesser, Dieter Mohr, Hans W. Frass | 1993-07-13 |
| 5225310 | Photosensitive mixture containing an ester or amide of 1,2-naphthoquinone diazide sulfonic or carboxylic acid, a phenolic binder resin and a bis-(4-hydroxyphenyl) speed enhancing compound | Paul Stahlhofen | 1993-07-06 |