| Name | Issue date | Country |
|---|---|---|
| Denitrification catalyst and exhaust gas treatment system for thermal power generation | 2022. 12. | Korea |
| A catalyst capable of directly decomposing urea and method for urea decomposition | 2022. 05. | USA |
| A catalyst capable of directly decomposing urea and method for urea decomposition | 2021. 04. | Korea |
| Reductant injection system for selective reduction reaction | 2020. 09 | Korea |
| A method for operating a hydrogen refueling station | 2020. 03 | Korea |
| A method for preparing a nitrogen dioxide conversion catalyst | 2020. 03 | Korea |
| System for reducing fine dust and operation method | 2019. 07. | Korea |
| Re-materialization of spent denitrification catalyst using inorganic acid | 2018. 08 | Korea |
| Re-materialization of waste denitrification catalyst using organic acid | 2018. 07 | Korea |
| A method for preparing a denitration catalyst for a selective catalytic reduction reaction | 2016. 10 | Korea |
| A method for preparing a catalyst for ammonia removal | 2016. 08 | Korea |
| A manufacturing method using a selective decontamination source solvent and a titanium dioxide hydrate slurry | 2016. 08 | China |
| A method for manufacturing a catalyst module | 2016. 01 | China |
| A method for manufacturing a catalyst module for a selective catalytic reduction reaction | 2013. 04 | Korea |
| A manufacturing method using a selective denitrification catalyst and a titanium dioxide hydrate slurry | 2011. 09 | Korea |
| A method for manufacturing a catalyst module for an improved selective catalytic reduction reaction for the removal of nitrogen oxides | 2010. 12 | China |
| A method for manufacturing a catalyst module for an improved selective catalytic reduction reaction for the removal of nitrogen oxides | 2010. 12 | USA |
| A method for manufacturing a catalyst module for an improved selective catalytic reduction reaction for the removal of nitrogen oxides | 2008. 11 | Korea |
| Heat transfer element in rotary/air preheater having regular waves structure | 2007. 09. | Korea |
| Catalyst module element manufacturing apparatus and manufacturing method for selective catalytic reduction reaction | 2007. 04 | Korea |
| Denitrification reduction Catalyst (joint development) | 2007.01. | Korea |
| A coating composition using a catalyst for a selective catalytic reduction reaction for the removal of nitrogen oxides | 2006. 06 | Korea |
