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, Martin Friedrich, Herbert Stutz | 2004-10-12 |
| 6800781 | Process for quenching a gaseous reaction mixture during the gas phase phosgenation of diamines | Herbert Stutz, Hans-Joachim Brockhaus, Volker Michele | 2004-10-05 |
| 6689464 | Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method | Rolf Lanze, Alfred Eitel, Rainer Neumann, Steffen Kuhling, Frieder Heydenreich +2 more | 2004-02-10 |