P

Inventor

CHANG SUN KI

KR11 patents
⚠️ This page may combine multiple inventors who share the name “CHANG SUN KI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ST PHARM CO LTD

7 patents
US10065933B2Sep 4, 2018

Method for preparing gadobutrol

ST PHARM CO LTD3 citations68
US9822084B2Nov 21, 2017

Method for preparing calcobutrol

ST PHARM CO LTD2 citations68
US9790170B2Oct 17, 2017

Method for preparing lacosamide

ST PHARM CO LTD0 citations50
US12180237B2Dec 31, 2024

Method for preparing gadobutrol

ST PHARM CO LTD0 citations48
US10538504B2Jan 21, 2020

Preparation method of intermediate for oxazolidinone derivative

ST PHARM CO LTD0 citations46
US10702859B2Jul 7, 2020

Method for preparing ligand for polyketone polymerization catalyst

ST PHARM CO LTD0 citations43
US10501403B2Dec 10, 2019

Method for preparation of (S)-N1-(2-aminoethyl)-3-(4-alkoxyphenyl)propane-1,2-diamine trihydrochloride

ST PHARM CO LTD0 citations36

LIM GEUN GHO

1 patent
US9006436B2Apr 14, 2015

Preparation method of intermediate of sitagliptin

LIM GEUN GHO7 citations72

HYOSUNG CHEMICAL CORP

1 patent
US10428096B2Oct 1, 2019

Polyketone polymerization catalyst

HYOSUNG CHEMICAL CORP0 citations43

SAMCHULLY PHARM CO LTD

1 patent
US7049447B2May 23, 2006

Aziridine derivatives and their preparation methods

SAMCHULLY PHARM CO LTD0 citations42

DONG A PHARM CO LTD

1 patent
US9249109B2Feb 2, 2016

Method for preparing dipeptidyl peptidase-IV inhibitor and intermediate

DONG A PHARM CO LTD0 citations37