Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851387 | Para-phenylenediamine derivative, 1,4-cyclohexyldiamine derivative, and fabricating method for 1,4-diamine cyclic compound derivative | En Ming Chang, Hung-Chun YU | 2023-12-26 |