Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880769 | Transfer of catinic dyes in their deprotonated, electrically neutral form | Johannes P. Dix, Karl-Heinz Etzbach, Udo Mayer | 1989-11-14 |
RS
Ruediger Sens
Overall (1989): #59,984 of 140,708Top 45%
1
Patents 1989