Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803482 | Process for the production of isocyanates in the gas phase | Marc Jenne, Heiko Herold, Martin Friedrich | 2004-10-12 |
| 6800781 | Process for quenching a gaseous reaction mixture during the gas phase phosgenation of diamines | Heiko Herold, Hans-Joachim Brockhaus, Volker Michele | 2004-10-05 |
| 6706913 | Process for preparing (cyclo)aliphatic isocyanates | Hans-Joachim Leimkühler, Helmut Schmidt | 2004-03-16 |