Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839449 | Polysaccharides containing aromatic aldehydes and their derivatization via amine-aldehyde interactions | Robert L. Billmers, Martin M. Tessler, Michael J. Hasuly | 1989-06-13 |