Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830712 | Process for refining ethylene glycol | Bernard C. Ream | 1989-05-16 |
| 4670232 | Recovery of amines from by-product chloride salts | Donald C. Best | 1987-06-02 |
| 4663477 | Process for the hydrolysis of dialkyl carbonates | James E. Deitzler, Louis A. Kapicak, Fedor Poppelsdorf | 1987-05-05 |
| 4570019 | Method of preparing polyethylene polyamines having improved color | Charles A. Gibson | 1986-02-11 |