Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746561 | Polyimide-containing cover layer for a printed circuit element | Ernst F. Kundinger, Hans Zengel, Jeffery D. Lasher | 1988-05-24 |
| 4705720 | Flexible multi-layer polyimide laminates | Ernst F. Kundinger, Hans Zengel, Jeffery D. Lasher | 1987-11-10 |
| 4699841 | Flexible multilayer polymide laminates | Ernst F. Kundinger, Hans Zengel, Jeffery D. Lasher | 1987-10-13 |
| 4675246 | Flexible multilayer polyimide laminates | Ernst F. Kundinger, Hans Zengel, Jeffrey D. Lasher | 1987-06-23 |
| 4370487 | Process for, respectively, the production and purification of dicarboxylic and polycarboxylic acid anhydrides | Gerhard Meyer | 1983-01-25 |
| 4238404 | Process for the preparation of isocyanate derivatives of aliphatic, cycloaliphatic, and araliphatic compounds | Hans Zengel, Manfred Bergfeld, Rainer Zielke | 1980-12-09 |