Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980268 | Negative photoresists of the polyimide type containing 1,2-disulfones | Ekkehard Bartmann, Reinhard Schulz, Hartmut Hartner | 1990-12-25 |
| 4757098 | Stabilized solutions of radiation-crosslinkable polymer precursors of highly heat-resistant polymers | Hans-Joachim Merrem, Horst Binder | 1988-07-12 |
| 4701300 | Polyamide ester photoresist formulations of enhanced sensitivity | Hans-Joachim Merrem, Thomas Herold | 1987-10-20 |
| 4540650 | Photoresists suitable for forming relief structures of highly heat-resistant polymers | Hartmut Hartner, Hans-Joachim Merrem, Karl-Heinz Neisius | 1985-09-10 |
| 4539288 | Process for the development of relief structures based on radiation-crosslinked polymeric precursors of polymers which are resistant to high temperature | Hans-Joachim Merrem, Karlheinz Neisius, Hartmut Hartner | 1985-09-03 |