Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874769 | Quinolinyl ether or thioether tetrazoles as agents for the treatment of hypersensitive ailments | Raymond D. Youssefyeh, Utpal R. Chakraborty, Ernest Magnien, Thomas Lee | 1989-10-17 |
| 4839369 | Aryl and heteroaryl ethers as agents for the treatment of hypersensitive ailments | Raymond D. Youssefyeh, Utpal R. Chakraborty, Ernest Magnien | 1989-06-13 |