Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808193 | Process for dyeing hydroxy-containing fiber material with water-soluble dis-azo reactive dye compound | Ludwig Schlafer, Hartmut Springer | 1989-02-28 |
MK
Michael Kunze
Overall (1989): #76,308 of 140,708Top 55%
1
Patents 1989