Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7056348 | 5-aryl-1,3,3-trimethyl-2-methylene-indoline derivatives and salts thereof, methods for the production and use of said compounds for the temporary coloration of fibers | Guido Sauter, Hans-Juergen Braun | 2006-06-06 |
| 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 |
| 6010825 | Negatively acting photoresist composition based on polyimide precursors | Sigurd Hagen | 2000-01-04 |