Inventor
CHANG BONG-JUN
KR12 patents
⚠️ This page may combine multiple inventors who share the name “CHANG BONG-JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA RES INST CHEMICAL TECH
9 patentsUS10434463B2Oct 8, 2019
Separation membrane for olefin separation and olefin separation method using the same
KOREA RES INST CHEMICAL TECH1 citations61
US12420240B2Sep 23, 2025
Composite membrane comprising highly permeable gutter layer and method for preparing same
KOREA RES INST CHEMICAL TECH0 citations58
US12577339B2Mar 17, 2026
Fluorine-based polymer with low dielectric constant and fluorine-based polymer composition comprising same
KOREA RES INST CHEMICAL TECH0 citations57
US12577425B2Mar 17, 2026
Antibacterial polymer composition comprising polymer compound obtained by graft polymerizing cationic monomer and fluorine-based acrylic monomer to fluorine-based copolymer
KOREA RES INST CHEMICAL TECH0 citations56
US9511320B2Dec 6, 2016
Polyimide-based macromolecular compound and gas-separation asymmetrical hollow-fibre membrane comprising the same
KOREA RES INST CHEMICAL TECH2 citations56
US11851559B2Dec 26, 2023
BCDA-based semi-alicyclic homo- or co-polyimide membrane materials for gas separation and the preparation method thereof
KOREA RES INST CHEMICAL TECH0 citations53
US11684890B2Jun 27, 2023
Methane-selective mixed matrix membranes including nanoporous metal-organic framework materials to which a methane-selective functional group is introduced, the use thereof, and a method of preparing the same
KOREA RES INST CHEMICAL TECH0 citations52
US10561991B2Feb 18, 2020
Homogeneous anion-exchange composite membrane having excellent chemical resistance and method for producing the same
KOREA RES INST CHEMICAL TECH0 citations51
US10543463B2Jan 28, 2020
Homogeneous cation-exchange composite membrane having excellent chemical resistance and method for producing the same
KOREA RES INST CHEMICAL TECH0 citations51