Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831111 | Process for the continuous production of aryl carbonates | Pieter Ooms, Eric Bischof, Hans-Josef Buysch, Steffen Kuhling, Gottfried Zaby +2 more | 1998-11-03 |
| 5801285 | Process for the preparation of 2-methyl-2,4-diaminopentane | Helmut Waldmann, Anatoly Bazanov, Alexandre Timofeev, Natalja Zubritskaya, Gennady Terechtchenko | 1998-09-01 |
| 5789620 | Process for the preparation of 1,4-bis(aminomethyl) cyclohexane | Helmut Waldmann, Klaus Nachtkamp, Anatoly Bazanov, Alexandre Timofeev, Natalja Zubritskaya +1 more | 1998-08-04 |
| 5731458 | Process for thermally cracking carbamic acid esters | Dieter Schleenstein, Heinrich Steude, Oswald Wilmes, Christian Rasp, Georg Ronge +3 more | 1998-03-24 |
| 5646328 | Process for removing by-products from diurethanes | Ludwig Deibele, Oswald Wilmes | 1997-07-08 |
| 5516935 | Process for the production of diisocyanates | Eric Bischof, Peter Briedenbach, Andreas Flink, Attila Molnar, Herbert Stutz | 1996-05-14 |