Choe; Young-Hyun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Choe; Young-Hyun.The latest application filed is for "method for producing unsaturated aldehyde and unsaturated carboxylic acid".

Company Profile

4.9.12

Choe; Young-Hyun - Daejeon KR
Choe; Young-hyun - Naju-si KR
Choe; Young-Hyun - Jeollanam-do KR
Choe; Young Hyun - Chulranam-Do KR
Choe, Young-Hyun - Damyang-gun 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
Catalyst for preparing acrolein and acrylic acid, and preparation method thereof Grant 10,857,525 - Lim , et al. December 8, 2	2020-12-08
Method for preparing catalyst Grant 10,569,260 - Choi , et al. Feb	2020-02-25
Method for producing unsaturated aldehyde and unsaturated carboxylic acid Grant 10,428,007 - Choi , et al. October 1, 2	2019-10-01
Method For Producing Unsaturated Aldehyde And Unsaturated Carboxylic Acid App 20190092713 - CHOI; Byung Yul ; et al.	2019-03-28
Method For Preparing Catalyst App 20190060884 - CHOI; Byung Yul ; et al.	2019-02-28
High-performance polyoxometalate catalyst and method of preparing the same Grant 9,919,295 - Choi , et al. March 20, 2	2018-03-20
High-performance Polyoxometalate Catalyst And Method Of Preparing The Same App 20170225154 - CHOI; Byung Yul ; et al.	2017-08-10
Catalyst For Preparing Acrolein And Acrylic Acid, And Preparation Method Thereof (as Amended) App 20160001270 - LIM; Hyun-Sub ; et al.	2016-01-07
RING-SHAPED CATALYST FOR PREPARING ACROLEIN AND ACRYLIC ACID, AND USE THEREOF (As Amended) App 20150367329 - LIM; Hyun-Sub ; et al.	2015-12-24
Method of preparing heteropoly acid catalyst Grant 8,114,805 - Noh , et al. February 14, 2	2012-02-14
Catalyst System, Oxidation Reactor Containing The Same, And Preparation Method For Acrolein And Acrylic Acid Using The Same App 20100298601 - Choi; Byung-Yul ; et al.	2010-11-25
Method Of Preparing Heteropoly Acid Catalyst App 20100184591 - Noh; Hyun-Kuk ; et al.	2010-07-22
Complex metal oxide catalyst with high (meth) acrylic acid selectivity Grant 7,638,458 - Shin , et al. December 29, 2	2009-12-29
Complex metal oxide catalyst with high (meth) acrylic acid selectivity Grant 7,635,786 - Shin , et al. December 22, 2	2009-12-22
Complex Metal Oxide Catalyst With High (meth) Acrylic Acid Selectivity App 20090043127 - SHIN; Hyun Jong ; et al.	2009-02-12
Method for preparing a catalyst for partial oxidation of propylene Grant 7,341,974 - Kang , et al. March 11, 2	2008-03-11
Catalyst For Gaseous Partial Oxidation Of Propylene And Method For Preparing The Same App 20070275849 - Shin; Hyun Jong ; et al.	2007-11-29
Method for preparing catalyst for partial oxidation of acrolein Grant 7,285,514 - Kang , et al. October 23, 2	2007-10-23
Complex metal oxide catalyst with high (METH) acrylic acid selectivity App 20070038004 - Shin; Hyun Jong ; et al.	2007-02-15
Method for preparing a catalyst for partial oxidation of propylene App 20040192545 - Kang, Jung Hwa ; et al.	2004-09-30
Method for preparing catalyst for partial oxidation of acrolein App 20040116283 - Kang, Jung-Hwa ; et al.	2004-06-17

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