Inventor

CHANG YOUNG-KIL

KR29 patents

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

CHANG YOUNG-KIL

HANMI PHARM IND CO LTD

Crystalline acid salts of cefdinir and process for preparing cefdinir using same

Method for preparing risperidone

Method of preparing highly pure cefpodoxime proxetil

Method for the selective preparation of 3-oxo-4-aza-5α-androstane compound

Method for the preparation of highly pure 1-androstene derivatives

Pharmaceutical composition comprising crystalline sibutramine methanesulfonate hemihydrate

Process for the selective preparation of 3-(z) propenyl-cephem compound

Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid

1-α-halo-2,2-difluoro-2-deoxy-D-ribofuranose derivatives and process for the preparation thereof

Method for the preparation of 2′-deoxy-2′,2′-difluorocytidine

Method for the preparation of D-erythro-2,2-difluoro-2-deoxy-1-oxoribose derivative

CHEIL IND INC

Flameproof styrene containing graft resin compositions substantially free of phenolic resins and containing styrene/acrylonitrile resin compatabilizer

Flame retardant thermoplastic resin composition containing styrene polymer as compatabilizer and oxaphospholane compound as flame retardant

Thermoplastic resin composition

Method of preparing flameproof thermoplastic resin composition

Thermoplastic flameproof resin composition

Flameproof styrene-containing graft resin compositions having a particular nitrile content distribution

LEE JAEHEON

Methods for preparing capecitabine and beta-anomer-rich trialkyl carbonate compound used therein

Intermediate and process for preparing entecavir using same

YUN SANG MIN

Method for preparing (3S,4S)-4-((R)-2-(benzyloxy)tridecyl)-3-hexyl-2-oxetanone and novel intermediate used therefor

Method of preparing (6R)-3-hexyl-4-hydroxy-6-undecyl-5, 6-dihydropyran-2-one, and intermediate used in the method

HANMI PHARMACEUTICAL CO LTD

Process for preparation of cefdinir

HANMI SCIENCE CO LTD

Method for preparing 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yl)-prop-2-en-1-one hydrochloride and intermediates used therein

MOON YOUNG HO

Process for preparing voriconazole

KIM NAM DU

Method of preparing sitagliptin and intermediates used therein

LEE JAE HEON

Method for preparing entecavir and intermediate used therein

PARK CHUL-HYUN

Method for preparation of Montelukast acid in ionic liquid medium

LEE GWAN SUN

Method of preparing montelukast and intermediates used therein

SON JUNG BEOM

Bicyclic compound for modulating G protein-coupled receptors