Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883905 | Process for preparing citrates using organic titanates | Edward P. Frappier | 1989-11-28 |
| 4870204 | Method for preparing citrate esters | Edward P. Frappier | 1989-09-26 |
| 4824893 | Citrate esters and methods | — | 1989-04-25 |