Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956464 | Preparation of dihydroquinacridones, quinacridones and quinacridonequinones | Horst Colberg, Friedhelm Teich, Reinhard Kemper | 1990-09-11 |
| 4785107 | 3-tert-butyl-4-hydroxyphenylpropionic acid amino-alkylamide derivatives | Reinhard Helwig, Peter Neumann, Alexander Aumueller, Hubert Trauth | 1988-11-15 |
| 4567248 | Branched, high molecular weight, thermoplastic polyarylene ethers containing nitrile groups, and their preparation | Gerd Blinne, Peter Neumann | 1986-01-28 |