Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560746 | Ultrafiltration process for purification of dyes useful in foodstuffs | Wayne Lee Cook | 1985-12-24 |
| 4537971 | Process for preparing quinolinic acid | James E. Kassner, Raymond E. Werner | 1985-08-27 |