Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316847 | Pyrroles and pyrrolidines | Andrew D. Batcho, Urs Hengartner, John William Scott, Donald Valentine, Jr. | 1982-02-23 |
| 4256641 | Novel syntheses of tryptophans | Andrew D. Batcho, Urs Hengartner, John William Scott, Donald Valentine, Jr. | 1981-03-17 |
| 4238589 | Fluorogenic materials and labeling techniques | Roy Cleeland, Jr., Emanuel Grunberg, Manfred Weigele | 1980-12-09 |
| 4198501 | Synthesis of tryptophans | Andrew D. Batcho | 1980-04-15 |