Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769329 | Preparation of optically pure D- and L- lactic acid | Bryan Cooper, Christoph Martin, Hardo Siegel | 1988-09-06 |
| 4418146 | Preparation of D-N-carbamyl-.alpha.-aminoacids and micro-organisms for carrying out this preparation | Rolf Lungershausen, Christoph Martin, Stefan Marcinowski, Hardo Siegel | 1983-11-29 |
| 4287367 | Manufacture of symmetrical or unsymmetrical monoacetals of aromatic 1,2-diketones | Lucien Thil | 1981-09-01 |
| 4257859 | Benzoin photoinitiator containing a quaternary ammonium group in photo curable composition and process | Martin Fischer, Erich Penzel, Wolfgang Rehder, Walter Trautmann | 1981-03-24 |
| 4198241 | Photopolymerizable composition for the manufacture of printing plates and relief plates | Bernd Bronstert, Mong-Jon Jun, Guenter Wallbillich | 1980-04-15 |