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 | Karl-Heinz Etzbach, Udo Mayer, Ruediger Sens | 1989-11-14 |
JD
Johannes P. Dix
Overall (1989): #95,826 of 140,708Top 70%
1
Patents 1989