Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8759280 | Method for producing trimethylcyclododecatriene | Dirk Kuppert, Juergen Herwig, Anita Voelkel, Manfred Thiery | 2014-06-24 |
| 8168841 | Process for preparing cyclododecatriene | Jurgen Herwig, Wilhelm Brugging, Martin Roos | 2012-05-01 |
| 7253329 | Selective hydrogenation of cyclododecatriene to cyclododecene | Juergen Herwig, Martin Roos, Rudolf Burghardt, Johann Gaube, Georg Oenbrink +1 more | 2007-08-07 |
| 6407304 | Process for the isolation of high boilers from the cyclooligomerization of 1,3-butadiene | Thomas Schiffer, Matthias May, Georg Oenbrink | 2002-06-18 |
| 6403851 | Process for preparing cyclododecatrienes with recycling of the catalyst | Thomas Schiffer, Peter Wiedenbusch | 2002-06-11 |
| 5932687 | Preparation of precipitated polyamide powders of narrow particle size distribution and low porosity | Franz-Erich Baumann | 1999-08-03 |
| 4639310 | Process for the production of reformer feed and heating oil or diesel oil from coal by liquid-phase hydrogenation and subsequent gas-phase hydrogenation | Werner Dohler, Ludwig Merz, Heinz Frohnert, Bernd Uckermann, Ulrich Graeser +3 more | 1987-01-27 |