Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084099 | Preparation of N,N'-dialkylperylene-3,4,9,10-tetracarboxylic acid diimides | Claus Hackmann, Michael Acker, Georg Henning | 2000-07-04 |
| 4294581 | Uniformly dyed water-swellable cellulosic fibers | Gerhard Epple, Wolfgang Elser | 1981-10-13 |