Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025097 | 4-chlorooxazole derivatives and processes for their preparation and use | Rainer Wingen, Juergen Lingnau | 1991-06-18 |
| 4892799 | 4-chlorooxazole derivatives and processes for their preparation and use | Rainer Wingen, Juergen Lingnau | 1990-01-09 |
| 4869983 | Sulfonyl-containing styrene derivatives and their use in electrophotographic processes | Albert Bender, Juergen Lingnau | 1989-09-26 |
| 4725520 | Electrophotographic recording material | Wolfgang Wiedemann, Hans-Matthias Deger | 1988-02-16 |
| 4709026 | Ketosultams | Albert Bender | 1987-11-24 |
| 4666812 | Electrophotographic material with pyrimido-pyridobenzimidazole compound | Wolfgang Wiedemann | 1987-05-19 |