Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925783 | Process for the preparation of isocyanates | Klaus Jost, Gunter Hammen | 1999-07-20 |
| 5525683 | Ether-linked amine-terminated polyesters and a process for their production | Rick L. Adkins, William E. Slack | 1996-06-11 |
| 5345012 | Process for the preparation of dinitrotoluene | Thomas Schieb, Gerhard Wiechers, Uwe J. Zarnack | 1994-09-06 |
| 4552874 | Pyrazolooxazines, pyrazolothiazines, and pryazoloquinolines and their use as medicaments | Mithat Mardin, Friedrich Hoffmeister, Wolf-Dieter Busse, Harald Horstmann, Siegfried Raddatz | 1985-11-12 |
| 4430505 | Process for the preparation of N,O-disubstituted urethanes useful for the preparation of isocyanates | Peter Heitkamper, Klaus Konig, Kurt Findeisen, Rudolf Fauss | 1984-02-07 |
| 4388246 | Process for the preparation of polyisocyanates | Klaus Konig, Theodor Engbert, Gernot Becker, Gunther Hammen | 1983-06-14 |
| 4195132 | Cross-linked plastics based on cyanic acid esters and method of production thereof | Gunther Rottloff, Ernst Grigat | 1980-03-25 |