Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33105 | Separation of mannose by selective adsorption on zeolitic molecular sieves | John D. Sherman | 1989-10-31 |
| 4859217 | Process for separating nitrogen from mixtures thereof with less polar substances | — | 1989-08-22 |
| 4822492 | Latex polymer bonded crystalline molecular sieves | John D. Sherman, Craig H. Barkhausen | 1989-04-18 |