Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420439 | Crosslinked, non-swellable ampholytic base resins | Martin Grendze, Donald W. McQuigg, John T. Wyeth, Katherine M. Weisheit, Eric F. V. Scriven | 2002-07-16 |
| 6137004 | Processes for recovering citric acid | Donald W. McQuigg, Charles R. Marston, Gina M. Fitzpatrick, Susan L. Vorhies | 2000-10-24 |
| 5574180 | Process for recovering phytic acid, lactic acid or inositol | Donald W. McQuigg, Charles R. Marston, Gina M. Fitzpatrick, Susan L. Vorhies, Ramiah Murugan +1 more | 1996-11-12 |
| 5371160 | Linear polyvinylpyridine polymers and processes | James G. Keay, Eric F. V. Scriven | 1994-12-06 |