Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4518773 | """3-Carbamoyloxy cephalosporins""" | Derek Walker | 1985-05-21 |
| 4426520 | 3-Carbamoyloxy-cepham-4-carboxylic acid derivatives | Derek Walker | 1984-01-17 |
| 4407755 | 6-Amino penam derivatives | Derek Walker | 1983-10-04 |
| 4374982 | Cepham compounds | Derek Walker | 1983-02-22 |
| 4322347 | 2-Carbamoyloxymethyl-penicillin derivatives | Derek Walker | 1982-03-30 |
| 4310459 | Process for producing carbamoyl substituted penams and carbamoyl substituted cephams from penicillin sulfoxide esters | Derek Walker | 1982-01-12 |