Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885283 | Phosphinic acid derivatives | Michael J. Broadhurst, Balraj K. Handa, William Henry Johnson, Peter J. Machin | 1989-12-05 |
| 4826980 | Pyridazine intermediates | Cedric H. Hassall, Sally Redshaw | 1989-05-02 |
| 4808713 | Anthypertensive pyridazo [1,2-a][1,2]diazepines | Michael R. Attwood, Cedric H. Hassall, Robert W. Lambert, Sally Redshaw | 1989-02-28 |