Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680384 | Dyes, their preparation and use | Karl Seitz, Karl Hoegerle | 1987-07-14 |
| 4325869 | Novel dyes, their preparation and use | Karl Seitz, Karl Hoegerle | 1982-04-20 |
| 4228071 | Triazine containing fiber-reactive disazo dyestuffs | Karl Seitz | 1980-10-14 |
| 4225709 | Production of 2,4-difluoro-6-amino-s-triazine | Gert Hegar | 1980-09-30 |