Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697984 | Dye preparations with ethylene oxide-castor oil reaction products | Dieter Swatzina, Karin H. Beck, Christos Vamvakaris | 1997-12-16 |
JK
Juliane Krusemann
Overall (1997): #124,562 of 185,788Top 70%
1
Patents 1997