Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888176 | Controlled drug delivery high molecular weight polyanhydrides | Robert S. Langer, Cato T. Laurencin | 1989-12-19 |
| 4888413 | Poly(propylene glycol fumarate) compositions for biomedical applications | — | 1989-12-19 |
| 4857311 | Polyanhydrides with improved hydrolytic degradation properties | Robert S. Langer | 1989-08-15 |