Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840868 | Photosensitive composition based on a diazonium salt polycondensation product with an ester polymer binder having urethane group | Georg Pawlowski, Guenter Hultsch | 1989-06-20 |