Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816140 | Process for deasphalting a hydrocarbon oil | Pierre Trambouze, Jean-Paul Euzen, Michel Claveau | 1989-03-28 |
PB
Pierre Bergez
Institut Francais Du Petrole: 1 patents #34 of 123Top 30%
Overall (1989): #68,627 of 140,708Top 50%
1
Patents 1989