Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332716 | Pollen suppressant comprising a 5-oxy- or amino-substituted cinnoline | William Guilford, Yi Liang, Lawrence Fang, Thomas G. Patterson | 1994-07-26 |
| 5304672 | Method for the preparation of substituted 1,4-dihydro-4-oxo-cinnoline-3-carboxylic acid, esters and salts thereof, and intermediates used in their preparation | William Guilford, Lawrence Fang, Yi Liang | 1994-04-19 |