Issued Patents All Time
Showing 1–10 of 10 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 |
| 8617642 | Preparation of thin film for solar cell using paste | Oh-Shim Joo, Byoung Koun MIN, Jun Haeng Lee | 2013-12-31 |
| 8551220 | Sulfur dioxide absorbent comprising ionic liquid | Hong Gon Kim, Chang-Soo Kim, Hoon Kim, Minserk Cheong, Sung Yun HONG | 2013-10-08 |
| 7749475 | Method for separation and recycle of pure sulfur dioxide from a gaseous mixture in is cycle with ionic liquids | Chang-Soo Kim, Gyeong Taek Gong, Kye Sang Yoo, Byung Gwon Lee, Hong Gon Kim +2 more | 2010-07-06 |
| 7435759 | Method for the production of dimethyl ether | Oh-Shim Joo, Jun Woo Oh | 2008-10-14 |
| 7232784 | Metal oxide-containing kenyaite catalyst, method for preparing the same, and method for preparing ε-caprolactam using the same | Sun Jin Kim, Oh-Shim Joo, Min Park | 2007-06-19 |
| 6503471 | Process for malodorous gas treatment | Seong-Hwan Han, Oh-Shim Joo, Seong H. Cho, Jun Woo Oh | 2003-01-07 |
| 6461522 | Wastewater treatment by catalytic oxidation | Dae-Won Pak, Won Seok Chang, Sung J. Uhm, Seong-Hwan Han, Seong H. Cho | 2002-10-08 |
| 5430178 | Process for the preparation of acetic esters from methanol | Sung J. Uhm, Sung-Hwan Han, Jun Woo Oh, Oh-Shim Joo, Moon Seok Lee | 1995-07-04 |
| 5414161 | Process for the preparation of ethanol from methanol | Sung J. Uhm, Sung-Hwan Han, Jun Woo Oh, Oh-Shim Joo, Jung Y. Beak | 1995-05-09 |