Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669739 | Agent for coloring fibers and method for temporarily coloring fibers | Guido Sauter, Hans-Juergen Braun | 2003-12-30 |
| 6652601 | Agent for dyeing fibers comprising an indoline/indolium derivative | Guido Sauter, Hans-Juergen Braun | 2003-11-25 |