Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879377 | Nucleoside process | Steven P. Brundidge, Henry G. Howell, Chou Hong-Tann | 1989-11-07 |
| 4870168 | 3-Unsaturated alkyl cephems from 3-triflyl cephems | Stephen R. Baker, Vittorio Farina | 1989-09-26 |
| 4847373 | Production of 3-allyl- and 3-butenyl-3-cephems | Stephen R. Baker, Vittorio Farina | 1989-07-11 |