Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885091 | Process for the preparation of chlorine-resistant semipermeable membranes | Joseph J. Zupancic | 1989-12-05 |
| 4815445 | Solid catalysts for epimerization of aldoses; continuous interconversion of epimeric sugars | Blaise J. Arena, Bruce E. Firth | 1989-03-28 |