Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855298 | 6-Halo-1,2,3,4-tetrahydr oquinazoline-4-spiro-4-imidazolidine-2,2'5'-triones useful for the treatment and prophylaxis of diabetic complications | Yoshihisa Yamada | 1989-08-08 |