Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786578 | Agent and method for the removal of photoresist and stripper residues from semiconductor substrates | Alois Litters | 1988-11-22 |
| 4762767 | Negatively operating photoresist composition, with radiation-absorbing additives | Gunther Haas | 1988-08-09 |
| 4540650 | Photoresists suitable for forming relief structures of highly heat-resistant polymers | Rudolf Klug, Hartmut Hartner, Hans-Joachim Merrem | 1985-09-10 |
| 4496447 | Aromatic-aliphatic ketones useful as photoinitiators | Jurgen Eichler, Claus P. Herz, Gregor Wehner | 1985-01-29 |
| 4434035 | Mixtures of aromatic-aliphatic ketones as photoinitiators and photopolymerizable systems containing them | J/u/ rgen Eichler, Claus P. Herz | 1984-02-28 |
| 4390453 | Mixtures of aromatic-aliphatic ketones as photoinitiators and photopolymerizable systems containing them | Jurgen Eichler, Claus P. Herz | 1983-06-28 |
| 4374984 | Aromatic-aliphatic ketones useful as photoinitiators | Jurgen Eichler, Claus P. Herz, Gregor Wehner | 1983-02-22 |