Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871779 | Ion exchange/chelation resins containing dense star polymers having ion exchange or chelate capabilities | Donald A. Tomalia | 1989-10-03 |
| 4808350 | Liquid distributor apparatus for high turndown ratios and minimum fouling | Lanny A. Robbins | 1989-02-28 |