Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874856 | 3-(substituted)propenyl-7-(aminothiazolylacetamido) ceph-3-em-4-carboxylic acids and esters thereof | Seiji Iimura, Yoshio Abe, Jun Okumura, Hajime Kamachi | 1989-10-17 |