Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5892123 | Process for reproducing a mixture containing cyclododecanone and cyclododecanol | Howard W. Anderson | 1999-04-06 |
| 5312959 | Purification of 2-methylglutaronitrile or adiponitrile | John J. Ostermaier | 1994-05-17 |
| 5192399 | Purification of aminonitriles or diamines | — | 1993-03-09 |
| 5162567 | Purification of 6-aminocapronitrile | — | 1992-11-10 |
| 5153351 | Removal of tetrahydroazepine (tha) from 6-aminocapronitrile by reaction with reactive methylene compounds | — | 1992-10-06 |
| 5133838 | Purification of 6-aminocapronitrile | — | 1992-07-28 |
| 4950778 | Manufacture of 5-cyanovaleric acid and its esters using cyclic cosolvents | Patrick M. Burke | 1990-08-21 |
| 4933483 | Manufacture of 5-cyanovaleric acid and its esters | Patrick M. Burke | 1990-06-12 |
| 4508660 | Carbonylation of olefinically unsaturated nitriles and acids using a sulfone solvent | — | 1985-04-02 |