Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954562 | Water absorbent resins | — | 1990-09-04 |
| 4824901 | Surface treated absorbent polymers | William Alexander, Barbara R. Regan | 1989-04-25 |
| 4820773 | Water absorbent resins prepared by polymerization in the presence of styrene-maleic anhydride copolymers | William Alexander, Barbara R. Regan | 1989-04-11 |
| 4755562 | Surface treated absorbent polymers | William Alexander, Barbara R. Regan | 1988-07-05 |
| 4677174 | Water absorbent styrene-acrylic acid copolymers | William Alexander, Barbara R. Regan | 1987-06-30 |
| 4225562 | Multi-bed catalytic reactor | — | 1980-09-30 |
| 4184943 | Fractionation in an adsorptive hydrocarbon separation process | — | 1980-01-22 |