Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550209 | Process for the preparation of linear polyethylenepolyamines by reacting monoethanolamine with ethylenediamine in the presence of an intercalatively active catalyst | Steven H. Vanderpool, John F. Knifton | 1985-10-29 |
| 4503217 | Process for selective preparation of polymeric polyamines | David C. Alexander, John F. Knifton | 1985-03-05 |