Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9023300 | Reactor and process for preparing phosgene | Gerhard Olbert, Wolfgang Gerlinger | 2015-05-05 |
| 8993803 | Method for producing phosgene | Gerhard Olbert, Kai Thiele, Heiner Schelling | 2015-03-31 |
| 8841480 | Process for the preparation of light-colored iocyanates of a diphenylmethanediisocyanate series | Heiner Schelling, Hans-Juergen Pallasch, Eckhard Stroefer, Jon S. Speier | 2014-09-23 |
| 8748655 | Process for preparing light-coloured isocyanates of the diphenylmethane series | Heiner Schelling, Jon S. Speier, Eckhard Stroefer | 2014-06-10 |
| 8492587 | Reactor and process for preparing phosgene | Gerhard Olbert, Wolfgang Gerlinger | 2013-07-23 |