Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11344489 | Azomethine dye chromophores | Frank Bachmann, Christian Cremer, Marie-Pascale Perritaz, Volker Wendel | 2022-05-31 |
| 10494527 | Cationic direct dyes | Frank Bachmann, Christian Cremer, Bryan Patrick Murphy, Guiru Zhang, Peter Marte Torgerson | 2019-12-03 |