Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414111 | Method for separating sterols from tall oil | Derk T. A. Huibers, David H. Sullivan | 2002-07-02 |
| 6107456 | Method for separating sterols from tall oil | Derk T. A. Huibers, David H. Sullivan | 2000-08-22 |
| 5286845 | Acidification of tall oil soap using carbon dioxide | Derk T. A. Huibers, James W. Gillis | 1994-02-15 |
| 5283319 | Process and control strategy for the recovery and use of excess carbon dioxide discharge from a high pressure carbon dioxide acidulation process | Derk T. A. Huibers, Richard Grotyohann | 1994-02-01 |