Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275816 | Cephalosporin derivatives | Clive Leslie Branch, Angela W. Guest | 1994-01-04 |
| 5028427 | """Cephalosporin"" compounds" | — | 1991-07-02 |
| 4940702 | Cephem compounds | Michael J. Pearson | 1990-07-10 |
| 4704385 | 3-formamido azetidinone antibacterial agents, their preparation and use | Roger J. Ponsford, Michael J. Pearson | 1987-11-03 |
| 4678782 | 3S-formamido azetidinone antibacterial agents, their preparation and use | Roger J. Ponsford, Michael J. Pearson | 1987-07-07 |
| 4647558 | Antibacterial agents, their preparation and use | Roger J. Ponsford, Michael J. Pearson | 1987-03-03 |