Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757143 | Catalytic method for the manufacture of triethylenediamine | Steven H. Vanderpool, Walter H. Brader, Jr., Ernest L. Yeakey, Edward C. Y. Nieh | 1988-07-12 |
| 4754036 | Conjoint production of C-methyl triethylene diamine and allyl piperazine | Steven H. Vanderpool | 1988-06-28 |
| 4324917 | Preparation of polyalkylene polyamines | — | 1982-04-13 |
| 4234730 | Process of preparing selective mixtures of piperazine and ethylenediamine | Thomas H. Cour | 1980-11-18 |