Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6008347 | N-substituted 2-azetidinones | Allan W. Rey, Purushotham Vemishetti | 1999-12-28 |
| 5412092 | N-substituted 2-azetidinones | Allan W. Rey, Purushotham Vemishetti | 1995-05-02 |
| 4217275 | .beta.-Lactam antibiotic esterification process using methoxymethyl methane sulfonate | Gary Lim | 1980-08-12 |