Bong Jun CHANG

Person

Daejeon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
BCDA-based semi-alicyclic homo- or co-polyimide membrane materials...
- Patent number 11,851,559
- Issue date Dec 26, 2023
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methane-selective mixed matrix membranes including nanoporous metal...
- Patent number 11,684,890
- Issue date Jun 27, 2023
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Homogeneous anion-exchange composite membrane having excellent chem...
- Patent number 10,561,991
- Issue date Feb 18, 2020
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Homogeneous cation-exchange composite membrane having excellent che...
- Patent number 10,543,463
- Issue date Jan 28, 2020
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Separation membrane for olefin separation and olefin separation met...
- Patent number 10,434,463
- Issue date Oct 8, 2019
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyimide-based macromolecular compound and gas-separation asymmetr...
- Patent number 9,511,320
- Issue date Dec 6, 2016
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Crosslinked polyvinyl alcohol-based polymer membrane and a process...
- Patent number 7,449,112
- Issue date Nov 11, 2008
- Korea Research Institute of Chemical Technology
- Soo-Bok Lee
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Manufacturing method of hexafluoropropylene oxide with high yield
- Patent number 7,405,312
- Issue date Jul 29, 2008
- Korea Research Institute of Chemical Technology
- Soo Bok Lee
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
FLUORINE-BASED POLYMER COATING FILM, OPTICAL SUBSTRATE COMPRISING S...
- Publication number 20240318025
- Publication date Sep 26, 2024
- Korea Research Institute of Chemical Technology
- Eun-Ho SOHN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FLUORINE-BASED POLYMER, FLUORINE-BASED POLYMER COMPOSITION COMPRISI...
- Publication number 20240199780
- Publication date Jun 20, 2024
- Korea Research Institute of Chemical Technology
- Eun-Ho SOHN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INSULATING GAS USED FOR ELECTRICAL INSULATION OR ARC EXTINGUISHING...
- Publication number 20240194372
- Publication date Jun 13, 2024
- KOREA ELECTRO TECHNOLOGY RESEARCH INSTITUTE
- Ki Dong SONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMPOSITE MEMBRANE COMPRISING HIGHLY PERMEABLE GUTTER LAYER AND MET...
- Publication number 20230271144
- Publication date Aug 31, 2023
- Korea Research Institute of Chemical Technology
- Su Young MOON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHANE-SELECTIVE MIXED MATRIX MEMBRANES INCLUDING NANOPOROUS METAL...
- Publication number 20200306689
- Publication date Oct 1, 2020
- Korea Research Institute of Chemical Technology
- Jeong Hoon KIM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
BCDA-BASED SEMI-ALICYCLIC HOMO- OR CO-POLYIMIDE MEMBRANE MATERIALS...
- Publication number 20200199348
- Publication date Jun 25, 2020
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Homogeneous Anion-Exchange Composite Membrane Having Excellent Chem...
- Publication number 20180326364
- Publication date Nov 15, 2018
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Homogeneous Cation-Exchange Composite Membrane Having Excellent Che...
- Publication number 20180326363
- Publication date Nov 15, 2018
- Korea Research Institute of Chemical Technology
- Jeong Hoon Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SEPARATION MEMBRANE FOR OLEFIN SEPARATION AND OLEFIN SEPARATION MET...
- Publication number 20180272274
- Publication date Sep 27, 2018
- Korea Research Institute of Chemical Technology
- Jeong Hoon KIM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POLYMIDE-BASED MACROMOLECULAR COMPOUND AND GAS-SEPARATION ASYMMETRI...
- Publication number 20150217225
- Publication date Aug 6, 2015
- Korea Research Institute of Chemical Technology
- Jeong Hoon KIM
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Manufacturing method of hexafluoropropylene oxide with high yield
- Publication number 20080091052
- Publication date Apr 17, 2008
- Korea Research Institute of Chemical Technology
- Soo Bok Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel crosslinked polyvinyl alcohol-based polymer membrane and a pr...
- Publication number 20050218069
- Publication date Oct 6, 2005
- Korea Research Institute of Chemical Technology
- Soo-Bok Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Bong Jun CHANG

Person

Patents Grantslast 30 patents

BCDA-based semi-alicyclic homo- or co-polyimide membrane materials...

Methane-selective mixed matrix membranes including nanoporous metal...

Homogeneous anion-exchange composite membrane having excellent chem...

Homogeneous cation-exchange composite membrane having excellent che...

Separation membrane for olefin separation and olefin separation met...

Polyimide-based macromolecular compound and gas-separation asymmetr...

Crosslinked polyvinyl alcohol-based polymer membrane and a process...

Manufacturing method of hexafluoropropylene oxide with high yield

Patents Applicationslast 30 patents

FLUORINE-BASED POLYMER COATING FILM, OPTICAL SUBSTRATE COMPRISING S...

FLUORINE-BASED POLYMER, FLUORINE-BASED POLYMER COMPOSITION COMPRISI...

INSULATING GAS USED FOR ELECTRICAL INSULATION OR ARC EXTINGUISHING...

COMPOSITE MEMBRANE COMPRISING HIGHLY PERMEABLE GUTTER LAYER AND MET...

METHANE-SELECTIVE MIXED MATRIX MEMBRANES INCLUDING NANOPOROUS METAL...

BCDA-BASED SEMI-ALICYCLIC HOMO- OR CO-POLYIMIDE MEMBRANE MATERIALS...

Homogeneous Anion-Exchange Composite Membrane Having Excellent Chem...

Homogeneous Cation-Exchange Composite Membrane Having Excellent Che...

SEPARATION MEMBRANE FOR OLEFIN SEPARATION AND OLEFIN SEPARATION MET...

POLYMIDE-BASED MACROMOLECULAR COMPOUND AND GAS-SEPARATION ASYMMETRI...

Manufacturing method of hexafluoropropylene oxide with high yield

Novel crosslinked polyvinyl alcohol-based polymer membrane and a pr...