Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523923 | Solid disperse dye formulations containing non-ionic dispersants for transfer printing inks | Paul Muther | 1985-06-18 |
| 4227880 | Process for the production of dustfree granules of dyes and optical brighteners | Helmut Hohenegger, Hanspeter Baumann | 1980-10-14 |