Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441110 | Method for producing halogen-free reactive polyisobutene | Christoph Sigwart, Thomas Narbeshuber, Karsten Eller, Rolf Fischer, Eugen Gehrer | 2002-08-27 |
| 4713201 | Process for the preparation of salts of a dicarboxylic acid and a diamine | Georg Pilz, Gert Buerger, Gerhard Thiel | 1987-12-15 |
| 4713437 | Salt of oxaalkylenediamine with dicarboxylic acid, containing hydrazine, preparation, and nylon prepared therefrom | Georg Pilz, Gert Buerger, Gerhard Thiel | 1987-12-15 |
| 4310632 | Process for the manufacture of polyurethane foam | Heinrich Horacek, Rolf Wurmb, Matthias Marx | 1982-01-12 |
| 4284825 | 4-Substituted benzaldehyde-dialkylacetal | Dieter Degner, Hardo Siegel | 1981-08-18 |