Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242516 | Fluorinated amphoteric surfactants | — | 1980-12-30 |
| 4224427 | Process for preparing hydrogels as spherical beads of large size | Sonia J. Heiber, Walter L. Plankl | 1980-09-23 |
| 4192827 | Water-insoluble hydrophilic copolymers | William R. Good | 1980-03-11 |