Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535705 | Polycarbonate ester and preparation method therefor | Jong-In Lee | 2022-12-27 |
| 11479640 | Bio-based polycarbonate ester resin for eyeglass frame | Jong-In Lee | 2022-10-25 |
| 11421076 | Highly heat-resistant polycarbonate ester and preparation method therefor | — | 2022-08-23 |