Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885170 | Antibiotic A80509 | Raymond C. Yao | 1989-12-05 |
| 4876273 | Antibotic A80577 and process for its production | Raymond C. Yao | 1989-10-24 |
| 4870021 | Pure culture of antibiotic A42125-producing strains of Nocardia aerocolonigenes | Ralph E. Kastner | 1989-09-26 |
| 4830967 | Process for producing antibiotic A80438 | Raymond C. Yao | 1989-05-16 |
| 4824863 | Antibiotic A80438 | Walter M. Nakatsukasa, Raymond C. Yao | 1989-04-25 |