Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882430 | Recovery of caprolactam from caprolactam distillation low boilers or high boilers or mixtures thereof | Emile De Decker, Hugo Fuchs, Bernhard Holzknecht, Josef Ritz | 1989-11-21 |
| 4814511 | Working up cyclohexyl hydroperoxide containing reaction mixtures | Rolf Schnabel, Juergen Hartig, Josef Ritz | 1989-03-21 |
| 4804473 | Removal of water-immiscible solvents from offgases containing same | Uwe Brand, Emile DeDecker, Ernst Deuker, Hugo Fuchs, Klaus Kartte +1 more | 1989-02-14 |
| 4804754 | Preparation of caprolactam from cyclohexanone oxime by Beckmann rearrangement | Emile De Decker, Jozef Oostvogels, Gerard van Wauwe | 1989-02-14 |