Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800781 | Process for quenching a gaseous reaction mixture during the gas phase phosgenation of diamines | Heiko Herold, Herbert Stutz, Volker Michele | 2004-10-05 |
| 6178293 | Method and an apparatus for improving heat transfer | Peter Clasen, Clemens Casper, Karl-Heinz Jonen | 2001-01-23 |