Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420439 | Crosslinked, non-swellable ampholytic base resins | Martin Grendze, John T. Wyeth, Ernest Crowe, Katherine M. Weisheit, Eric F. V. Scriven | 2002-07-16 |
| 6137004 | Processes for recovering citric acid | Charles R. Marston, Gina M. Fitzpatrick, Ernest Crowe, Susan L. Vorhies | 2000-10-24 |
| 5786185 | Process for producing and recovering lactic acid | George T. Tsao, Seo Ju Lee, Gow-Jen Tsai, Jin Ho Seo, Susan L. Vorhies +1 more | 1998-07-28 |
| 5693680 | Polyvinylpyridinium anion-exchangers for recovery of technetium and plutonium anions | — | 1997-12-02 |
| 5604264 | Polyvinylpyridinium anion-exchangers for recovery of technetium and plutonium anions | — | 1997-02-18 |
| 5574180 | Process for recovering phytic acid, lactic acid or inositol | Charles R. Marston, Gina M. Fitzpatrick, Ernest Crowe, Susan L. Vorhies, Ramiah Murugan +1 more | 1996-11-12 |
| 5444137 | Highly selective chelating resins and monomers for their preparation | Edward E. Sowers | 1995-08-22 |
| 5229479 | Polymer-supported 4-(N-benzyl-N-methylamino)pyridine catalyst and process for same | Heather K. Webb, Edward E. Sowers | 1993-07-20 |
| 5183895 | 4-(N-benzyl-N-methylamino)pyridine acid salts and use in preparation of polymer-supported catalysts | Edward E. Sowers, Gerald L. Goe, Eric F. V. Scriven, James G. Keay | 1993-02-02 |
| 5180822 | Highly selective chelating resins and monomers for their preparation | Edward E. Sowers | 1993-01-19 |
| 5147954 | 4-(N-benzyl-N-methylamino)pyridine acid salts and use in preparation of polymer-supported catalysts | Edward E. Sowers, Gerald L. Goe, Eric F. V. Scriven, James G. Keay | 1992-09-15 |
| 5015706 | Polymer-supported 4-(N-benzyl-N-methylamino)pyridine catalyst and process for same | Heather K. Webb, Edward E. Sowers | 1991-05-14 |
| 4968806 | 4-(N-benzyl-N-methylamino)pyridine acid salts and use in preparation of polymer-supported catalysts | Edward E. Sowers, Gerald L. Goe, Eric F. V. Scriven | 1990-11-06 |