Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7453019 | Conversion process | Marcel Janssen, Teng Xu, Cor F. Van Egmond, Stephen N. Vaughn | 2008-11-18 |
| 7238846 | Conversion process | Marcel Janssen, Teng Xu, Cor F. Van Egmond, Stephen N. Vaughn | 2007-07-03 |