Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835335 | Process for two-stage catalytic conversion of an olefins-containing feed | Johannes Petrus Van Den Berg, Pierre Grandvallet | 1989-05-30 |
AK
Andras G. T. G. Kortbeek
Overall (1989): #131,902 of 140,708Top 95%
1
Patents 1989