Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374726 | Process for preparing 10-deazaaminopterins and 5,10-and 8,10-dideazaaminopterins from pteroic dicarboxylic acid diesters | Joseph I. DeGraw, James R. Piper | 1994-12-20 |
| 5354751 | Heteroaroyl 10-deazaamino-pterine compounds and use for rheumatoid arthritis | Joseph I. DeGraw, Francis M. Sirotnak, R. Lane Smith, James R. Piper | 1994-10-11 |