Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290923 | Monoazo reactive dye which contains a dicyanoaminotriazinyl group and a group of the vinylsulfone series | Hartmut Springer | 1994-03-01 |
| 5278292 | Fiber-reactive dyes which contain a ureidoalkylene group | Hartmut Springer, Gunther Schwaiger | 1994-01-11 |