Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839449 | Polysaccharides containing aromatic aldehydes and their derivatization via amine-aldehyde interactions | Robert L. Billmers, David M. Del Giudice, Michael J. Hasuly | 1989-06-13 |
| 4831128 | Synthetic homo- and heteropolysaccharides and a method for the preparation thereof | John J. Tsai | 1989-05-16 |
| 4804769 | Acetals useful for the preparation of polysaccharide derivatives | Daniel B. Solarek, Patrick G. Jobe, Robert L. Billmers, Diane J. Lamb, John J. Tsai | 1989-02-14 |