Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003355 | Polymer extraction methods | Johan van Walsem, Luhua Zhong | 2011-08-23 |
| 7981642 | Polymer extraction methods | Johan van Walsem, Luhua Zhong | 2011-07-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003355 | Polymer extraction methods | Johan van Walsem, Luhua Zhong | 2011-08-23 |
| 7981642 | Polymer extraction methods | Johan van Walsem, Luhua Zhong | 2011-07-19 |