Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194631 | Poly (vinylamine)-based superabsorbent gels and method of manufacturing the same | Michael A. Mitchell, Thomas W. Beihoffer, Leticia L. Trzupek, Mark Anderson | 2001-02-27 |
| 6121409 | Poly(vinylamine)-based superabsorbent gels and method of manufacturing the same | Michael A. Mitchell, Thomas W. Beihoffer, Leticia Lobo | 2000-09-19 |
| 5981689 | Poly(vinylamine)-based superabsorbent gels and method of manufacturing the same | Michael A. Mitchell, Thomas W. Beihoffer, Leticia L. Trzupek | 1999-11-09 |
| 5922206 | Process for treating water for removal of oil and water-soluble petroleum oil components | Steven E. Yuchs | 1999-07-13 |
| 5763658 | Method for removal of phenothiazine inhibitor from acrylic acid | Thomas W. Beihoffer, David Eckert | 1998-06-09 |
| 5130471 | Stabilized acrylic monomer compositions | John C. Heiman | 1992-07-14 |