Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897469 | Aniline series azo reactive dyes ortho- or para-substituted by vinyl sulfonyl reactive groups | Heinz Eilingsfeld | 1990-01-30 |
| 4667036 | Concentration of light over a particular area, and novel perylene-3,4,9,10-tetracarboxylic acid diimides | Guenther Seybold | 1987-05-19 |