Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599398 | Recovery of adiponitrile from a mixture of adiponitrile, aminocapronitrile and hexamethylenediamine | John J. Ostermaier, James D. Hastings | 2003-07-29 |
| 6248926 | Recovery of hexamethylenediamine (HMD) with low polarographically reducible impurities (PRI) from mixtures of HMD, aminocapronitirle and PRI | John J. Ostermaier | 2001-06-19 |
| 5596074 | Method for controlling color formation during polytetramethylene ether glycol production | Peter A. Bloxham, Anne Irisa Breikss, Richard E. Ernst, John D. Super, James D. Verbsky | 1997-01-21 |
| 5288903 | Preparation of 3-pentenoic acid and a catalyst therefore | Emilio Bunel, Chen-Chou Chiang, Michael B. D'Amore, Erik J. Schaumann | 1994-02-22 |
| 5254255 | Enhanced extraction of valeric acid or caproic acid from aqueous mixtures | William S. Kalema | 1993-10-19 |