Issued Patents 1989
Showing 1–3 of 3 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, Rohit Desai | 1989-10-17 |
| 4868193 | Styryl tetrazoles and anti-allergic use thereof | — | 1989-09-19 |
| 4849541 | Process for the preparation of N-L-aminodicarboxylic acid esters and new compositions used in the preparation thereof | — | 1989-07-18 |