Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6362266 | Process for reducing cohesiveness of polyallylamine polymer gels during drying | Thomas L. Staples, Christopher M. Chappelow | 2002-03-26 |
| 5629377 | Water absorbent resin particles of crosslinked carboxyl containing polymers and method of preparation | Josef Burgert, Stephen B. Christensen, Herbert Gartner, Thomas C. Johnson, Andrew T. Graham | 1997-05-13 |
| 5045614 | Process for polymerizing vinyl monomers using amine containing compounds which simultaneously act as initiators and crosslinking agents as part of a redox initiator system | James W. Ringer | 1991-09-03 |
| 4861849 | Sodium thiosulfate as part of a redox initiator system for the polymerization of water-swellable polymers | — | 1989-08-29 |
| 4529803 | Process for preparing imidazolinium compounds | Donald A. Tomalia | 1985-07-16 |
| 4267350 | Imidazolinium compounds | Donald A. Tomalia | 1981-05-12 |