Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489430 | Polyisocyanate compounds, process for producing the same, and optical materials using the same | Jian Jiang | 2002-12-03 |
| 6455729 | Polyisocyanate compounds, process for producing the same, and optical materials using the same | Jian Jiang | 2002-09-24 |