Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4390474 | Sulfonation petroleum composition | Marvin L. Nussbaum | 1983-06-28 |
| 4252192 | Process for enhanced oil recovery employing petroleum sulfonates | Marvin L. Nussbaum | 1981-02-24 |