Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633316 | Surface crosslinked and surfactant coated absorbent resin particles and method of preparation | Josef Burgert | 1997-05-27 |
| 5629377 | Water absorbent resin particles of crosslinked carboxyl containing polymers and method of preparation | Josef Burgert, Stephen B. Christensen, Fredric L. Buchholz, Thomas C. Johnson, Andrew T. Graham | 1997-05-13 |