Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846976 | Treatment of emulsions | — | 1989-07-11 |
| 4822863 | Sulphuryl chloride/polyamide derivative | — | 1989-04-18 |
| 4816160 | Cooling hollow fibre cross-flow separators | Eric W. Anderson, Clinton V. Kopp | 1989-03-28 |
| 4814083 | Altering pore size distributions | Richard D. Grant | 1989-03-21 |