Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851393 | Method for utilizing an exocellular polysaccharide isolated from zoogloea ramigera | ChoKyun Rha, Pasawadee Pradipasena, Tetsuhisa Nakamura, Donald D. Easson Jr. | 1989-07-25 |
| 4810646 | Glucan compositions and process for preparation thereof | Spiros Jamas, ChoKyun Rha | 1989-03-07 |