Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344138 | Biodegradable polymer recycling | Stephen S. Wong | 2019-07-09 |
| 10316120 | Process and apparatus for manufacture of processable polyvinyl alcohol | Stephen Sik Fan Wong | 2019-06-11 |