Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830852 | Covalently-modified neutral bacterial polysaccharides, stable covalent conjugates of such polysaccharides and immunogenic proteins and methods of preparing such polysaccharides and conjugates | Stephen Marburg, Richard L. Tolman | 1989-05-16 |