Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887352 | Distillative method for separating hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine | — | 2005-05-03 |
| 6858728 | Method for making caprolactam from impure ACN in which THA is not removed until after caprolactam is produced | Gregory S. Kirby | 2005-02-22 |