Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797344 | Aromatic diamine derivatives, the preparation thereof and alignment film materials containing same for liquid crystal display cell | Wen-Chung Chu, Shih-Chieh Yeh | 2004-09-28 |