Inventor
Jong Ku Lee
Inventor
Daejeon, KR
Overview
Patents· 46 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation27%
C07CAcyclic or carbocyclic compounds22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
C01BNon-metallic elements4%
C08JWorking-up4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
C07BGeneral methods of organic chemistry2%
PatentTitleYear
10,577,462Production method of poly(alkylene carbonate) particles202010,506,970Method and apparatus for monitoring consciousness201910,384,146Divided wall distillation column201910,371,442Separation method and separation process system for recovering ethylene201910,343,923System for preparing silica aerogel201910,322,982Energy saving method and apparatus for preparing styrene and alpha-methylstyrene concurrently201910,315,972Separation method and separation process system for recovering ethylene201910,308,566Method of separating normal butene using isomerization and process system for separating normal butene201910,259,897Method of preparing polybutadiene201910,246,534Apparatus for preparing polybutadiene201910,227,270Method of separating normal butene using isomerization and process system for separating normal butene201910,150,720Device for preparing n-butanol201810,112,122Device for preparing alkanol201810,086,325Membrane separation device201810,066,031Method of separating ethylene oligomerization reactor effluent201810,066,514Method of recycling energy in process of butadiene preparation201810,018,080Method of recycling energy in process of butadiene preparation20189,919,238'Distillation apparatus'20189,919,260'Method of recovering absorption solvent in butadiene production process by oxidative dehydrogenation'20189,895,625'Method and apparatus for preparing isopropyl alcohol'20189,895,624'Distillation device'20189,884,264'Divided wall distillation column for producing high purity acrylic acid and fractional distillation method using the same'20189,861,907'Divided wall distillation column for producing high purity normal butanol, and normal butanol distillation method'20189,849,402Trihalosilane refining device having divided wall distillation column20179,758,458'Method for purifying isopropyl alcohol'20179,738,574'Method for producing butadiene through oxidative dehydrogenation reaction'20179,573,869'Bisphenol A preparation apparatus and preparation method'20179,511,306'Dividing wall distillation columns for production of high-purity 2-ethylhexanol and fractionation method using same'20169,446,332'Apparatus for separating gas and liquid'20169,364,780'Apparatus for separating gas and liquid'20169,162,210'SCC with improvied mobility of material to be removed'20159,018,346'Method for removing unreacted monomers in polymer using SCC'20158,992,737'Trihalosilane refining method'20158,974,642'Trihalosilane refining method'20158,968,521'Trihalosilane refining method'20158,932,434'Dividing wall distillation column for producing high purity acrylic acid and fractional distillation method using the same'20158,920,735'SCC equipped with foam removal unit'20148,894,823'Method for manufacturing isopropyl alcohol'20148,894,821'Dividing wall column for preparing high-purity 2 ethylhexyl-acrylate and preparation method using same'20148,888,964'Divided wall distillation column for producing high purity normal butanol, and normal butanol distillation method'20148,864,948'Dividing wall column for producing high-purity neopentyl glycol and manufacturing method using same'20148,858,761'Dividing wall column for preparing high-purity 2 ethylhexyl-acrylate and preparation method using the same'20148,845,864'Dividing wall distillation column'20148,771,479'Energy-saving distillation column assembly'20148,764,946'Dividing wall distillation columns for production of high-purity 2-ethylhexanol and fractionation method using same'20147,947,803'Apparatus and method for recovering polymer'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2020Patents assigned to LG CHEMICAL LTD (43)· patent assignee history
2011–2020Based in Daejeon, KR· patent location history
2014–2015Patents assigned to LEE JONG KU (5)· patent assignee history
2014–2015Patents assigned to LEE SUNG KYU (5)· patent assignee history
2014–2015Patents assigned to SHIN JOON HO (5)· patent assignee history
2014–2015Patents assigned to LEE JONG-KU (4)· patent assignee history
2014Based in Yuseong-gu, KR· patent location history
2019Based in Incheon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG CHEMICAL LTD | 43 | 2011–2020 |
| LEE JONG KUself | 5 | 2014–2015 |
| LEE SUNG KYU | 5 | 2014–2015 |
| SHIN JOON HO | 5 | 2014–2015 |
| LEE JONG-KUself | 4 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 44 | 2011–2020 |
| Incheon, KR | 1 | 2019 |
| Yuseong-gu, KR | 1 | 2014 |