Chang Hong BAK

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Daejeon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing diene-based rubber polymer and method of prepar...
- Patent number 12,103,998
- Issue date Oct 1, 2024
- LG Chem, Ltd.
- Chang Hong Bak
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing conjugated diene-based polymer and method for...
- Patent number 12,037,435
- Issue date Jul 16, 2024
- LG Chem, Ltd.
- Jin Hyoung Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Diene-based rubber latex, method for preparing thereof and graft co...
- Patent number 11,932,709
- Issue date Mar 19, 2024
- LG Chem, Ltd.
- Chang Hong Bak
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing acrylonitrile-based fiber
- Patent number 11,286,580
- Issue date Mar 29, 2022
- LG Chem, Ltd.
- Sang Jin Kim
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PREPARING DIENE-BASED RUBBER POLYMER AND METHOD OF PREPAR...
- Publication number 20220169770
- Publication date Jun 2, 2022
- LG CHEM, LTD.
- Chang Hong BAK
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DIENE-BASED RUBBER LATEX, METHOD FOR PREPARING THEREOF AND GRAFT CO...
- Publication number 20210238332
- Publication date Aug 5, 2021
- LG CHEM, LTD.
- Chang Hong BAK
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING CONJUGATED DIENE-BASED POLYMER AND METHOD FOR...
- Publication number 20210221935
- Publication date Jul 22, 2021
- LG CHEM, LTD.
- Jin Hyoung LEE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING ACRYLONITRILE-BASED FIBER
- Publication number 20200190701
- Publication date Jun 18, 2020
- LG CHEM, LTD.
- Sang Jin KIM
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING