Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11254293 | One touch type auxiliary brake for driving training | — | 2022-02-22 |
| 10322941 | Preparation method of calcium carbonate with high purity from inorganic materials containing alkali metals or alkali earth metals | Kwang-Deog Jung, Heung Yong Ha, Ho Yong Jo | 2019-06-18 |
| 7435759 | Method for the production of dimethyl ether | Kwang-Deog Jung, Oh-Shim Joo | 2008-10-14 |
| 6503471 | Process for malodorous gas treatment | Seong-Hwan Han, Kwang-Deog Jung, Oh-Shim Joo, Seong H. Cho | 2003-01-07 |
| 5488143 | Processes for the carbonylation of methanol to form acetic acid, methyl acetate and acetic anhydride | Sung J. Uhm, Sung-Hwan Han, Oh-Shim Joo | 1996-01-30 |
| 5430178 | Process for the preparation of acetic esters from methanol | Sung J. Uhm, Sung-Hwan Han, Oh-Shim Joo, Kwang-Deog Jung, Moon Seok Lee | 1995-07-04 |
| 5414161 | Process for the preparation of ethanol from methanol | Sung J. Uhm, Sung-Hwan Han, Oh-Shim Joo, Kwang-Deog Jung, Jung Y. Beak | 1995-05-09 |