Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302487 | Negative-working photosensitive coating solution containing photohardenable diazo compound, polymeric binder and four component solvent | Eberhard Hehl, Werner Frass, Guenter Jung | 1994-04-12 |