Cho Hee AHN

Follow

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparing polyetherketoneketone and polyetherketoneketon...
- Patent number 11,919,999
- Issue date Mar 5, 2024
- Hanwha Chemical Corporation
- Kwang Seok Jeong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing aliphatic isocyanate
- Patent number 10,975,021
- Issue date Apr 13, 2021
- Hanwha Solutions Corporation
- Byeong Hyeon Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing aliphatic isocyanate
- Patent number 10,941,110
- Issue date Mar 9, 2021
- Hanwha Solutions Corporation
- Byeong Hyeon Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing aliphatic isocyanate
- Patent number 10,654,796
- Issue date May 19, 2020
- Hanwha Chemical Corporation
- Ju Young Park
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing aliphatic isocyanate
- Patent number 10,611,724
- Issue date Apr 7, 2020
- Hanwha Chemical Corporation
- Ju Young Park
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING POLYETHER KETONE KETONE AND POLYETHER KETONE K...
- Publication number 20230167241
- Publication date Jun 1, 2023
- Hanwha Solutions Corporation
- Yu Jin SIM
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING POLYETHERKETONEKETONE AND POLYETHERKETONEKETON...
- Publication number 20200339750
- Publication date Oct 29, 2020
- Hanwha Chemical Corporation
- Kwang Seok JEONG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING ALIPHATIC ISOCYANATE
- Publication number 20200190022
- Publication date Jun 18, 2020
- Hanwha Solutions Corporation
- Byeong Hyeon LEE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ALIPHATIC ISOCYANATE
- Publication number 20200102268
- Publication date Apr 2, 2020
- Hanwha Chemical Corporation
- Ju Young PARK
- C07 - ORGANIC CHEMISTRY