Inventor · disambiguated record
U-Hwang Lee
Also filed as: LEE U HWANG
8 granted patents·1 pending application·24 citations·filing 2011–2015
80Inventor score
Files withKOREA RES INST CHEMICAL TECH4CHANG JONG-SAN1HWANG DONG-WON1KOREA RES INST CHEM TECH1LEE U-HWANG1
Top patents by PatentIndex Score
9 records- 0186US9012685B2Recovery method of highly pure lactic acid and alkyl lactateHWANG DONG WON·Filed 2011·Granted Apr 21, 2015·16 cites·19 claims
- 0278US9539561B2Method for producing lactide directly from lactic acid and a catalyst used thereinKOREA RES INST CHEMICAL TECH·Filed 2013·Granted Jan 10, 2017·2 cites·5 claims
- 0377US9861932B2Polymer membrane for gas separation or enrichment comprising hybrid nanoporous material, uses thereof, and a preparation method thereofKOREA RES INST CHEMICAL TECH·Filed 2015·Granted Jan 9, 2018·2 cites·14 claims
- 0462US9175025B2Method for preparing porous organic-inorganic hybrid materialsLEE U-HWANG·Filed 2012·Granted Nov 3, 2015·2 cites·20 claims
- 0561US9302258B2Complex comprising crystalline hybrid nanoporous material powderCHANG JONG-SAN·Filed 2012·Granted Apr 5, 2016·2 cites·13 claims
- 0660US9561492B2Method for producing lactide directly from lactic acid and a catalyst used thereinKOREA RES INST CHEMICAL TECH·Filed 2015·Granted Feb 7, 2017·0 cites·3 claims
- 0753US9687772B2Inorganic-organic hybrid nanoporous material with nitrogen selective adsorptivity and method for separating nitrogen-containing gas mixture using the sameKOREA RES INST CHEMICAL TECH·Filed 2015·Granted Jun 27, 2017·0 cites·19 claims
- 0841US2015292058A1Method for recovering indium from indium containing solution or mixtureKOREA RES INST CHEM TECH·Filed 2013·Application pending·0 cites
- 0929US9844750B2Cyclical method of producing high-purity nitrogen and optionally a high-purity hydrocarbon from a feedstock containing nitrogen and a hydrocarbonLUCK FRANCIS·Filed 2012·Granted Dec 19, 2017·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →