Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806679 | Isomerization of diacyloxybutenes | Wolfgang Hoelderich, Rolf Fischer, Wolf D. Mross, Hans-Martin Weitz | 1989-02-21 |
OH
Otto Hertel
Overall (1989): #71,766 of 140,708Top 55%
1
Patents 1989