Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5423992 | Chemically disinfected sewage sludge-containing materials | Matthew A. McMahon, Mitri S. Najjar, Ronald J. McKeon | 1995-06-13 | $7,373,000 |
| 5236046 | Heteropolysaccharide preparation and use thereof as a mobility control agent in enhanced oil recovery | Arthur J. Stipanovic, Charles E. Stypulkoski, Nick C. Wan, Susan Easter | 1993-08-17 | $30,563,000 |
| 4874044 | Method for oil recovery using a modified heteropolysaccharide | Arthur J. Stipanovic | 1989-10-17 | $19,631,000 |
| 4749652 | Lactic acid process | — | 1988-06-07 | $57,767,000 |