Lee; Jong-Ku

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lee; Jong-Ku.The latest application filed is for "method of separating normal butene using isomerization and process system for separating normal butene".

Company Profile

8.51.56

Lee; Jong-Ku - Daejeon KR
Lee; Jong Ku - Incheon KR
Lee; Jong-Ku - Yuseong-gu N/A KR
Lee; Jong-Ku - Daejeon Metropolitan 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
Production method of poly(alkylene carbonate) particles Grant 10,577,462 - Hwang , et al.	2020-03-03
Method and apparatus for monitoring consciousness Grant 10,506,970 - Kim , et al. Dec	2019-12-17
Divided wall distillation column Grant 10,384,146 - Lee , et al. A	2019-08-20
Separation method and separation process system for recovering ethylene Grant 10,371,442 - Jeong , et al.	2019-08-06
System for preparing silica aerogel Grant 10,343,923 - Lee , et al. July 9, 2	2019-07-09
Energy saving method and apparatus for preparing styrene and alpha-methylstyrene concurrently Grant 10,322,982 - Kim , et al.	2019-06-18
Separation method and separation process system for recovering ethylene Grant 10,315,972 - Jeong , et al.	2019-06-11
Method of separating normal butene using isomerization and process system for separating normal butene Grant 10,308,566 - Kim , et al.	2019-06-04
Method Of Separating Normal Butene Using Isomerization And Process System For Separating Normal Butene App 20190152878 - KIM; Dae Hyeon ; et al.	2019-05-23
Method of preparing polybutadiene Grant 10,259,897 - Hwang , et al.	2019-04-16
Apparatus for preparing polybutadiene Grant 10,246,534 - Hwang , et al.	2019-04-02
Method of separating normal butene using isomerization and process system for separating normal butene Grant 10,227,270 - Kim , et al.	2019-03-12
System For Preparing Silica Aerogel App 20180370809 - LEE; Dong Kwon ; et al.	2018-12-27
Device for preparing n-butanol Grant 10,150,720 - Lee , et al. Dec	2018-12-11
Device for preparing alkanol Grant 10,112,122 - Lee , et al. October 30, 2	2018-10-30
Membrane separation device Grant 10,086,325 - Lee , et al. October 2, 2	2018-10-02
Energy Saving Method And Apparatus For Preparing Styrene And Alpha-methylstyrene Concurrently App 20180273445 - KIM; Mi-Kyung ; et al.	2018-09-27
Method Of Separating Ethylene Oligomerization Reactor Effluent App 20180251579 - KIM; Eun-Kyo ; et al.	2018-09-06
Method of recycling energy in process of butadiene preparation Grant 10,066,514 - Kim , et al. September 4, 2	2018-09-04
Method of separating ethylene oligomerization reactor effluent Grant 10,066,031 - Kim , et al. September 4, 2	2018-09-04
System For Preparing Silica Aerogel App 20180237596 - KIM; Ye Hon ; et al.	2018-08-23
Method of recovering absorption solvent in butadiene production process by oxidative dehydrogenation Grant 9,919,260 - Kim , et al. March 20, 2	2018-03-20
Distillation apparatus Grant 9,919,238 - Lee , et al. March 20, 2	2018-03-20
Method Of Preparing Polybutadiene App 20180051108 - Hwang; Woo Sung ; et al.	2018-02-22
Separation Method And Separation Process System For Recovering Ethylene App 20180044266 - JEONG; Hoi In ; et al.	2018-02-15
Apparatus For Preparing Polybutadiene App 20180037683 - Hwang; Woo Sung ; et al.	2018-02-08
Divided wall distillation column for producing high purity acrylic acid and fractional distillation method using the same Grant 9,884,264 - Lee , et al. February 6, 2	2018-02-06
Divided wall distillation column for producing high purity normal butanol, and normal butanol distillation method Grant 9,861,907 - Lee , et al. January 9, 2	2018-01-09
Trihalosilane refining device having divided wall distillation column Grant 9,849,402 - Lee , et al. December 26, 2	2017-12-26
Production Method Of Poly(alkylene Carbonate) Particles App 20170275423 - HWANG; Woo Sung ; et al.	2017-09-28
Method for purifying isopropyl alcohol Grant 9,758,458 - Park , et al. September 12, 2	2017-09-12
Method for producing butadiene through oxidative dehydrogenation reaction Grant 9,738,574 - Lee , et al. August 22, 2	2017-08-22
Separation Method And Separation Process System For Recovering Ethylene App 20170198967 - JEONG; Hoi In ; et al.	2017-07-13
Method And Apparatus For Monitoring Consciousness App 20170181693 - Kim; Seunghwan ; et al.	2017-06-29
Method Of Separating Normal Butene Using Isomerization And Process System For Separating Normal Butene App 20170166497 - KIM; Dae Hyeon ; et al.	2017-06-15
Bisphenol A preparation apparatus and preparation method Grant 9,573,869 - Park , et al. February 21, 2	2017-02-21
Dividing wall distillation columns for production of high-purity 2-ethylhexanol and fractionation method using same Grant 9,511,306 - Lee , et al. December 6, 2	2016-12-06
Method For Producing Butadiene Through Oxidative Dehydrogenation Reaction App 20160326071 - KIM; Mi Kyung ; et al.	2016-11-10
METHOD OF RECYCLING ENERGY IN PROCESS OF BUTADIENE PREPARATION (As Amended) App 20160319704 - KIM; Mi Kyung ; et al.	2016-11-03
METHOD FOR PRODUCING BUTADIENE THROUGH OXIDATIVE DEHYDROGENATION REACTION (As Amended) App 20160289145 - LEE; Jae Ik ; et al.	2016-10-06
Apparatus for separating gas and liquid Grant 9,446,332 - Shin , et al. September 20, 2	2016-09-20
Method Of Recovering Absorption Solvent In Butadiene Production Process By Oxidative Dehydrogenation App 20160256815 - KIM; Dae Hyeon ; et al.	2016-09-08
Method For Purifying Isopropyl Alcohol App 20160207858 - PARK; Jong Suh ; et al.	2016-07-21
Method For Purifying Isopropyl Alcohol App 20160200649 - PARK; Jong Suh ; et al.	2016-07-14
Method For Purifying Isopropyl Alcohol App 20160200650 - PARK; Jong Suh ; et al.	2016-07-14
Distillation Apparatus App 20160193541 - LEE; Sung Kyu ; et al.	2016-07-07
DIVIDED WALL DISTILLATION COLUMN (As Amended) App 20160193540 - LEE; Sung Kyu ; et al.	2016-07-07
Apparatus for separating gas and liquid Grant 9,364,780 - Shin , et al. June 14, 2	2016-06-14
Bisphenol A Preparation Apparatus And Preparation Method App 20160159716 - PARK; Jong Suh ; et al.	2016-06-09
DISTILLATION DEVICE (As Amended) App 20160158667 - LEE; Sung Kyu ; et al.	2016-06-09
Apparatus For Separating Gas And Liquid App 20150367254 - SHIN; Dae Young ; et al.	2015-12-24
MEMBRANE SEPARATION DEVICE (As Amended) App 20150321140 - LEE; Sang Beom ; et al.	2015-11-12
Device For Preparing Alkanol App 20150306517 - LEE; Sung Kyu ; et al.	2015-10-29
Device For Preparing Alkanol App 20150299075 - LEE; Sung Kyu ; et al.	2015-10-22
SCC with improvied mobility of material to be removed Grant 9,162,210 - Joo , et al. October 20, 2	2015-10-20
Apparatus For Separating Gas And Liquid App 20150283488 - Shin; Dae Young ; et al.	2015-10-08
Apparatus For Separating Gas And Liquid App 20150274546 - Shin; Dae Young ; et al.	2015-10-01
Trihalosilane Refining Device App 20150174506 - LEE; Sung Kyu ; et al.	2015-06-25
Method for removing unreacted monomers in polymer using SCC Grant 9,018,346 - Joo , et al. April 28, 2	2015-04-28
Trihalosilane refining method Grant 8,992,737 - Lee , et al. March 31, 2	2015-03-31
Method And Apparatus For Preparing Isopropyl Alcohol App 20150083578 - Lee; Sung Kyu ; et al.	2015-03-26
Trihalosilane refining method Grant 8,974,642 - Lee , et al. March 10, 2	2015-03-10
Trihalosilane refining method Grant 8,968,521 - Lee , et al. March 3, 2	2015-03-03
Divided Wall Distillation Column For Producing High Purity Normal Butanol, And Normal Butanol Distillation Method App 20150041308 - LEE; Sung-Kyu ; et al.	2015-02-12
Dividing wall distillation column for producing high purity acrylic acid and fractional distillation method using the same Grant 8,932,434 - Lee , et al. January 13, 2	2015-01-13
SCC equipped with foam removal unit Grant 8,920,735 - Joo , et al. December 30, 2	2014-12-30
Divided Wall Distillation Column For Producing High Purity Acrylic Acid And Fractional Distillation Method Using The Same App 20140371488 - LEE; Sung Kyu ; et al.	2014-12-18
Dividing wall column for preparing high-purity 2 ethylhexyl-acrylate and preparation method using same Grant 8,894,821 - Lee , et al. November 25, 2	2014-11-25
Method for manufacturing isopropyl alcohol Grant 8,894,823 - Lee , et al. November 25, 2	2014-11-25
Divided wall distillation column for producing high purity normal butanol, and normal butanol distillation method Grant 8,888,964 - Lee , et al. November 18, 2	2014-11-18
Dividing wall column for producing high-purity neopentyl glycol and manufacturing method using same Grant 8,864,948 - Lee , et al. October 21, 2	2014-10-21
Dividing wall distillation column Grant 8,845,864 - Lee , et al. September 30, 2	2014-09-30
Energy-saving distillation column assembly Grant 8,771,479 - Lee , et al. July 8, 2	2014-07-08
Dividing wall distillation columns for production of high-purity 2-ethylhexanol and fractionation method using same Grant 8,764,946 - Lee , et al. July 1, 2	2014-07-01
Dual-mode Dividing Wall Column App 20140138237 - Lee; Sung Kyu ; et al.	2014-05-22
Scc With Improvied Mobility Of Material To Be Removed App 20140107302 - Joo; Eun-Jung ; et al.	2014-04-17
Method For Manufacturing Isopropyl Alcohol App 20140090971 - LEE; Sung Kyu ; et al.	2014-04-03
Scc Equipped With Foam Removal Unit App 20140088273 - Joo; Eun-Jung ; et al.	2014-03-27
Trihalosilane Refining Device App 20140076711 - LEE; Sung Kyu ; et al.	2014-03-20
Trihalosilane Refining Device App 20140076710 - LEE; Sung Kyu ; et al.	2014-03-20
Trihalosilane Refining Device App 20140076709 - LEE; Sung Kyu ; et al.	2014-03-20
Method For Removing Unreacted Monomers in Polymer Using SCC App 20140066580 - Joo; Eun-Jung ; et al.	2014-03-06
Dividing Wall Distillation Columns For Production Of High-purity 2-ethylhexanol And Fractionation Method Using Same App 20130334029 - LEE; Sung Kyu ; et al.	2013-12-19
Dividing Wall Column For Producing High-purity Neopentyl Glycol And Manufacturing Method Using Same App 20130292243 - Lee; Sung Kyu ; et al.	2013-11-07
Dividing Wall Column For Preparing High-purity 2 Ethylhexyl-acrylate And Preparation Method Using The Same App 20130284586 - LEE; Sung Kyu ; et al.	2013-10-31
Energy-saving Distillation Column Assembly App 20120267233 - Lee; Sung Kyu ; et al.	2012-10-25
Dividing Wall Distillation Column For Producing High Purity Acrylic Acid And Fractional Distillation Method Using The Same App 20120006673 - Lee; Sung Kyu ; et al.	2012-01-12
Dividing Wall Distillation Columns For Production Of High-purity 2-ethylhexanol And Fractionation Method Using Same App 20120004473 - Lee; Sung Kyu ; et al.	2012-01-05
Dividing Wall Distillation Column App 20110308930 - Lee; Sung Kyu ; et al.	2011-12-22
Divided Wall Distillation Column For Producing High Purity Normal Butanol, And Normal Butanol Distillation Method App 20110303526 - Lee; Sung-Kyu ; et al.	2011-12-15
Apparatus and method for recovering polymer Grant 7,947,803 - Hong , et al. May 24, 2	2011-05-24
Apparatus And Method For Recovering Polymer App 20100069584 - Hong; Sung-Don ; et al.	2010-03-18

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