Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610822 | Process for preparing 6-[D(-)-.alpha.-(4-C.sub.1 -C.sub.4)-alkyl-2,3-dioxo-1-piperazinocarbonylamino)phenylacetamido]peni cillanic acids | Karel F. Bernady | 1986-09-09 |