Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360448 | Water in oil emulsions useful in liquid membrane | Norman N. Li, Robert P. Cahn | 1982-11-23 |
| 4292181 | Use of liquid membrane systems for selective ion transfer | Norman N. Li, Robert P. Cahn | 1981-09-29 |
| 4183918 | Detoxifying-medicinal emulsions | William J. Asher, Norman N. Li | 1980-01-15 |