Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876347 | Methine dyes having a pyridyl group and a pyridyl or a quinolinyl group | Ewald Daltrozzo | 1989-10-24 |
WS
Werner Sulger
Overall (1989): #44,997 of 140,708Top 35%
1
Patents 1989