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Joo Young Cheon
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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Method for purifying n-substituted maleimide
Patent number
10,899,708
Issue date
Jan 26, 2021
LG Chem, Ltd.
Joo Young Cheon
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for dehydration of glycerin, preparation method thereof, a...
Patent number
10,569,259
Issue date
Feb 25, 2020
LG Chem, Ltd.
Jun Seon Choi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis method of N-substituted maleimide using solid acid catalysts
Patent number
10,487,052
Issue date
Nov 26, 2019
LG Chem, Ltd.
Joo Young Cheon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dehydration catalyst for preparing N-substituted maleimide, prepara...
Patent number
10,464,050
Issue date
Nov 5, 2019
LG Chem, Ltd.
Ji Yeon Kim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for preparing acrylic acid from glycerin
Patent number
10,435,347
Issue date
Oct 8, 2019
LG Chem, Ltd.
Kyung Soo Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for glycerin dehydration, preparation method therefor, and...
Patent number
10,046,307
Issue date
Aug 14, 2018
LG Chem, Ltd.
Ji Yeon Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for glycerin dehydration, preparation method therefor, and...
Patent number
9,861,957
Issue date
Jan 9, 2018
LG Chem, Ltd.
Ji Yeon Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for glycerin dehydration, preparation method thereof, and...
Patent number
9,527,065
Issue date
Dec 27, 2016
LG Chem, Ltd.
Ji Yeon Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Reactor system for producing hydrocarbons from synthetic gas
Patent number
9,446,370
Issue date
Sep 20, 2016
Korea Research Institute of Chemical Technology
Kyoung Su Ha
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Catalyst for glycerin dehydration, preparation method thereof, and...
Patent number
9,327,276
Issue date
May 3, 2016
LG Chem, Ltd.
Jun Seon Choi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for glycerin dehydration, preparation method thereof, and...
Patent number
9,321,040
Issue date
Apr 26, 2016
LG Chem, Ltd.
Wang Rae Joe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst activation method for Fischer-Tropsch synthesis
Patent number
9,259,717
Issue date
Feb 16, 2016
Korea Research Institute of Chemical Technology
Kyoung Su Ha
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for preparing catalyst for glycerin dehydration, and method...
Patent number
9,259,718
Issue date
Feb 16, 2016
LG Chem, Ltd.
Wang Rae Joe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for Fischer-Tropsch synthesis having excellent heat transf...
Patent number
9,012,352
Issue date
Apr 21, 2015
Korea Research Institute of Chemical Technology
Kyoung Su Ha
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PURIFYING N-SUBSTITUTED MALEIMIDE
Publication number
20200207710
Publication date
Jul 2, 2020
LG CHEM, LTD.
Joo Young CHEON
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SYNTHESIS METHOD OF N-SUBSTITUTED MALEIMIDE USING SOLID ACID CATALYSTS
Publication number
20190152910
Publication date
May 23, 2019
LG CHEM, LTD.
Joo Young CHEON
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DEHYDRATION CATALYST FOR PREPARING N-SUBSTITUTED MALEIMIDE, PREPARA...
Publication number
20190118168
Publication date
Apr 25, 2019
LG CHEM, LTD.
Ji Yeon KIM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING ACRYLIC ACID FROM GLYCERIN
Publication number
20180273460
Publication date
Sep 27, 2018
LG CHEM, LTD.
Kyung Soo KIM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CATALYST FOR DEHYDRATION OF GLYCERIN, PREPARATION METHOD THEREOF, A...
Publication number
20180257063
Publication date
Sep 13, 2018
LG CHEM Ltd.
Jun Seon CHOI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST FOR GLYCERIN DEHYDRATION, PREPARATION METHOD THEREFOR, AND...
Publication number
20170304804
Publication date
Oct 26, 2017
LG CHEM, LTD.
Ji YEON KIM
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PREPARING CATALYST FOR GLYCERIN DEHYDRATION, AND METHOD...
Publication number
20160030929
Publication date
Feb 4, 2016
LG CHEM, LTD.
Wang Rae JOE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST FOR GLYCERIN DEHYDRATION, PREPARATION METHOD THEREOF, AND...
Publication number
20150343430
Publication date
Dec 3, 2015
LG CHEM, LTD.
Ji Yeon KIM
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST FOR GLYCERIN DEHYDRATION, PREPARATION METHOD THEREOF, AND...
Publication number
20150336087
Publication date
Nov 26, 2015
LG CHEM, LTD.
Wang Rae JOE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST FOR GLYCERIN DEHYDRATION, PREPARATION METHOD THEREOF, AND...
Publication number
20150298105
Publication date
Oct 22, 2015
LG Chem, Ltd.
Jun Seon CHOI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST ACTIVATION METHOD FOR FISCHER-TROPSCH SYNTHESIS
Publication number
20150018438
Publication date
Jan 15, 2015
Korea Research Institute of Chemical Technology
Kyoung Su Ha
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
REACTOR SYSTEM FOR PRODUCING HYDROCARBONS FROM SYNTHETIC GAS
Publication number
20140044614
Publication date
Feb 13, 2014
Korea Research Institute of Chemical Technology
Kyoung Su Ha
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
CATALYST FOR FISCHER-TROPSCH SYNTHESIS HAVING EXCELLENT HEAT TRANSF...
Publication number
20140038813
Publication date
Feb 6, 2014
Korea Research Institute of Chemical Technology
Kyoung Su Ha
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL