Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229181 | Method for determining oil-related characteristics of geological sediments from small samples thereof | Jean Espitalie, Marcel Madec, Francois Marquis | 1980-10-21 |
| 4213763 | Method and device for analyzing geological sediments and for determining their organic sulfur content | Marcel Madec, Jean Espitalie, Imre Barsony | 1980-07-22 |