Na; Seung Chul

Patent Applications and Registrations

Patent applications and USPTO patent grants for Na; Seung Chul.The latest application filed is for "exhaust gas-purification catalyst having multi-layer structure including precious metal thin layer as top layer, and method for producing same".

Company Profile

7.7.14

Na; Seung Chul - Seoul KR
Na; Seung Chul - Gyeonggi-do KR
Na; Seung Chul - Kyeonggi-do KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Exhaust Gas-purification Catalyst Having Multi-layer Structure Including Precious Metal Thin Layer As Top Layer, And Method For Producing Same App 20220203337 - Lee; Do-kyun ; et al.	2022-06-30
Method For Coating Exhaust Gas Purification Catalyst Filter With Fixed Amount Of Catalyst Slurry App 20220184594 - Kim; Byung-suk ; et al.	2022-06-16
High-performance Zeolite For Reducing Nitrogen Oxide Emissions, Method Of Preparing Same And Catalyst Using Same App 20220111369 - Kim; Pyung Soon ; et al.	2022-04-14
Method For Producing High-efficiency Dehydrogenation Catalyst For Branched Light Hydrocarbons App 20210379568 - Na; Seung Chul ; et al.	2021-12-09
Three-way catalyst comprising Pd--Rh alloy Grant 11,135,572 - Han , et al. October 5, 2	2021-10-05
High-performance Zeolite For Reducing Nitrogen Oxide Emissions, Method Of Preparing Same And Catalyst Using Same App 20210069685 - KIM; Pyung Soon ; et al.	2021-03-11
Zeolite having specific ratio of divalent copper ions supported thereon, and preparation method therefor and catalyst composition comprising same Grant 10,889,503 - Kim , et al. January 12, 2	2021-01-12
Zeolite Having Specific Ratio Of Divalent Copper Ions Supported Thereon, And Preparation Method Therefor And Catalyst Compositio App 20190322537 - Kim; Mi-young ; et al.	2019-10-24
Apparatus And Method For Quantitatively Coating Catalyst Support App 20190143314 - Han; Hyun Sik ; et al.	2019-05-16
Apparatus and method for quantitatively coating catalyst support Grant 10,220,380 - Han , et al.	2019-03-05
Three-way Catalyst Comprising Pd-rh Alloy App 20180361361 - Han; Hyun-sik ; et al.	2018-12-20
Exhaust gas oxidation catalyst for compressed natural gas combustion system Grant 9,931,615 - Han , et al. April 3, 2	2018-04-03
Quantitative catalyst supply device Grant 9,675,949 - Han , et al. June 13, 2	2017-06-13
Method For Regenerating Catalyst For Oxidizing Compressed Natural Gas Vehicle Exhaust Gas App 20170051649 - HAN; Hyun-sik ; et al.	2017-02-23
Exhaust Gas Oxidation Catalyst For Compressed Natural Gas Combustion System App 20170007987 - HAN; Hyun-sik ; et al.	2017-01-12
Process for thermal fixation of catalytically active component onto alumina support Grant 9,321,033 - Han , et al. April 26, 2	2016-04-26
Quantitative Catalyst Supply Device App 20160074822 - HAN; Sang-Yun ; et al.	2016-03-17
Improvement In Process For Thermal Fixation Of Catalytically Active Component Onto Alumina Support App 20150051068 - Han; Hyun-sik ; et al.	2015-02-19
Apparatus And Method For Quantitatively Coating Catalyst Support App 20140363578 - Han; Hyun Sik ; et al.	2014-12-11

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