Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367074 | Preparation of 7,16-dichlorodianthraquinone-N,N'-dihydroazine | Matthias Niedenbrueck | 1994-11-22 |
| 5350853 | Preparation of dianthraquinone-N,N'-dihydroazine and its chlorination products | — | 1994-09-27 |
| 5338848 | Indolizinetrimethine dyes | Michael Acker, Bernhard Albert | 1994-08-16 |