Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017678 | Photocurable elastomeric mixture and recording material obtained therefrom for the production of relief printing plates | Willi-Kurt Gries | 2000-01-25 |
| 5750306 | Graft copolymers and colorless, transparent electrophotographic toners comprising these | Danuta Eva Allen, Silvia Lutz | 1998-05-12 |
| 5714296 | Graft copolymers and colorless, transparent electrophotographic toners thereof | Danuta Eva Allen | 1998-02-03 |
| 5700618 | Process for the production of colored images by an electrophotographic route | Silvia Lutz | 1997-12-23 |
| 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 | Engelbert Pliefke | 1994-04-12 |
| 5262244 | Hydrophilic copolymers and their use in reprography | Silvia Lutz, Engelbert Pliefke | 1993-11-16 |
| 5219664 | Hydrophilic copolymers and their use in reprography | Silvia Lutz, Engelbert Pliefke | 1993-06-15 |
| 5178963 | Hydrophilic copolymers and their use in reprography | Silvia Lutz, Engelbert Pliefke | 1993-01-12 |
| 5178961 | Thermally crosslinkable hydrophilic copolymers and their use in reprography | Silvia Lutz, Engelbert Pliefke | 1993-01-12 |
| 5135827 | Process for the manufacture of photopolymer plates | Dieter Böhm, Joachim Gersdorf, Rudolf Petry, Hans-Joachim Schlosser | 1992-08-04 |
| 4486529 | Dialo printing plate made from laser | William Jeffers, Douglas A. Seeley, Shuchen Liu | 1984-12-04 |
| 4296196 | Photopolymerizable mixture in a transfer element | — | 1981-10-20 |
| 4250248 | Photopolymerizable mixture containing unsaturated polyurethane | — | 1981-02-10 |
| 4248958 | Photopolymerizable mixture containing polyurethanes | — | 1981-02-03 |
| 4248959 | Preparation of diazo printing plates using laser exposure | William Jeffers, Douglas A. Seeley, Shuchen Liu | 1981-02-03 |
| 4245030 | Photopolymerizable mixture containing improved plasticizer | Peter Lehmann | 1981-01-13 |