Inventor

LEE U HWANG

KR18 patents

⚠️ This page may combine multiple inventors who share the name “LEE U HWANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEE U HWANG

KOREA RES INST CHEMICAL TECH

Secondary battery including organic-inorganic hybrid nanoporous material as water adsorbent

Method and apparatus for preparation of lactide using lactide purification process

Zirconium-based metal-organic frameworks as catalyst for transfer hydrogenation

Method for preparation of mannitol from fructose using butanol as solvent

Method for producing lactide directly from lactic acid and a catalyst used therein

Polymer membrane for gas separation or enrichment comprising hybrid nanoporous material, uses thereof, and a preparation method thereof

Aluminum-based metal-organic framework having three dimensional porous structure and comprising at least two types of ligands, preparation method therefor, and use thereof

Catalyst for preparing 1,2-pentanediol and method for preparing 1,2-pentanediol by using same

Adsorbents comprising organic-inorganic hybrid nanoporous materials for sorption of water or alcohol and use thereof

Organic-inorganic hybrid nanoporous material containing intramolecular acid anhydride functional group, composition for adsorption comprising the same, and use thereof for separation of hydrocarbon gas mixture

Method for preparing fructose or xylulose from biomass containing glucose or xylose using butanol, and method for separating the same

Method for preparing furan derivatives from biomass

Method for producing lactide directly from lactic acid and a catalyst used therein

Inorganic-organic hybrid nanoporous material with nitrogen selective adsorptivity and method for separating nitrogen-containing gas mixture using the same

HWANG DONG WON

Recovery method of highly pure lactic acid and alkyl lactate

CHANG JONG-SAN

Complex comprising crystalline hybrid nanoporous material powder

LEE U-HWANG

Method for preparing porous organic-inorganic hybrid materials

LUCK FRANCIS

Cyclical method of producing high-purity nitrogen and optionally a high-purity hydrocarbon from a feedstock containing nitrogen and a hydrocarbon