Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356120 | 3-(1-Hydroxyethyl)-4-(but-2-ene)-azetidin-2-one and derivatives | Burton G. Christensen, Ronald W. Ratcliffe | 1982-10-26 |
| 4309346 | Process for the preparation of 1-carbapenems and intermediates via trithioorthoacetates | Burton G. Christensen, Ronald W. Ratcliffe | 1982-01-05 |