Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10322941 | Preparation method of calcium carbonate with high purity from inorganic materials containing alkali metals or alkali earth metals | Heung Yong Ha, Jun Woo Oh, Ho Yong Jo | 2019-06-18 |