Inventor

CHANG JONG SAN

KR45 patents

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

CHANG JONG SAN

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

KOREA RES INST CHEM TECH

Process for preparing supported nickel catalyst for reforming hydrocarbons

Process for preparing hydroxylated aromatics by hydrogen and oxygen

Method for removing nitrogen oxides in exhaust gas by selective catalytic reduction and catalyst for reduction of nitrogen oxides

Process for producing a synthesis gas from carbon dioxide

Catalyst for dehydrogenating aromatic with carbon dioxide

Direct manufacturing method of hydrogen peroxide

Titania photocatalyst and its preparing method

Method for preparing noble metal-supported zeolite catalyst for catalytic reduction of nitrogen oxide

Preparation method of porous organic inorganic hybrid materials

Method of preparing a nanoporous nickel phosphate molecular sieve

Process of producing monohydric alcohols from monocarboxylic acids or derivatives thereof

Preparation method of chalcopyrite-type compounds with microwave irradiation

Metal-incorporated nanoporous nickel phosphate molecular sieve and its preparation method

CHANG JONG-SAN

Method for preparing porous organic-inorganic hybrid materials, porous organic-inorganic hybrid materials obtained by the method and catalytic uses of the materials

Method for preparing porous organic-inorganic hybrid materials, porous organic-inorganic hybrid materials obtained by the method and catalytic uses of the materials

Porous organic-inorganic hybrid materials and adsorbent comprising the same

Adsorbent for water adsorption and desorption

Preparation of surface functionalized porous organic-inorganic hybrid materials or mesoporous materials with coordinatively unsaturated metal sites and catalytic applications thereof

Complex comprising crystalline hybrid nanoporous material powder

Catalyst for direct conversion of esters of lactic acid to lactide and the method for producing lactide using the same

HWANG YOUNG KYU

Porous organic-inorganic hybrid materials with crystallinity and method for preparing thereof

Porous organic-inorganic hybrid materials with crystallinity and method for preparing thereof

Apparatus for treating air by using porous organic-inorganic hybrid materials as an absorbent

Method for producing cyclicised compounds from organic acids having from 4 to 6 carbon atoms

HWANG DONG WON

Recovery method of highly pure lactic acid and alkyl lactate

KOREA RESERARCH INST OF CHEMIC

Catalyst for dehydrogenating aromatic hydrocarbons with carbon dioxide

SERRE CHRISTIAN

Reducible porous crystalline hybrid solid for the separation of mixtures of molecules having different degrees and/or a different number of unsaturations

UNIV TEXAS

Use of metal organic frameworks for H2O sorption

SAMSUNG ELECTRONICS CO LTD

Gas treatment system and gas treatment method using the same

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