Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844286 | Method for producing impregnated pitch from petroleum-based raw material and impregnated pitch produced thereby | Jong Gu Kim, Young-Pyo Jeon, Ji Sun Im, Byung Jin Song, Byong Chol Bai +1 more | 2020-11-24 |