Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801734 | Amphiphilic 4-alkoxypolyethoxybenzoates, their preparation and their use | Hans-Jakob Kock, Ekhard Winkler, Richard Baur, Markus Schafheutle | 1989-01-31 |
HF
Heino Finkelmann
Overall (1989): #107,026 of 140,708Top 80%
1
Patents 1989