Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337339 | Process for preparation of folic acid derivatives | James A. Grattan | 1982-06-29 |
| 4326060 | Process for preparation of folic acid derivatives | James A. Grattan | 1982-04-20 |
| 4314988 | Folic acid derivatives and process for preparation | James A. Grattan | 1982-02-09 |