Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885385 | Sulfonyl containing compounds suitable as precurors for water-soluble fiber-reactive triphendioxazine compounds | Hartmut Springer, Gunther Schwaiger | 1989-12-05 |
| 4851527 | Water-soluble triphendioxazine compounds | Hartmut Springer, Gunther Schwaiger | 1989-07-25 |
| 4816574 | Water-soluble triphendioxazine compounds | Gunther Schwaiger, Hartmut Springer | 1989-03-28 |