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Chang-Ryang Jang

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  • Jeollanam-do, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyolefin
    • Patent number 11,542,351
    • Issue date Jan 3, 2023
    • LG Chem, Ltd.
    • Jeongkyu Lee
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene resin composition
    • Patent number 11,401,406
    • Issue date Aug 2, 2022
    • LG Chem, Ltd.
    • Jisoo Song
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Polyethylene resin film
    • Patent number 11,118,040
    • Issue date Sep 14, 2021
    • LG Chem, Ltd.
    • Sol Cho
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ethylene-1-hexene-1-butene terpolymer and a film including the same
    • Patent number 10,253,122
    • Issue date Apr 9, 2019
    • LG Chem, Ltd.
    • Yu Taek Sung
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of preparing vinyl chloride polymers having superior process...
    • Patent number 9,428,601
    • Issue date Aug 30, 2016
    • LG Chem, Ltd.
    • Seong-Yong Ahn
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for production of vinyl chloride-based polymer by suspension...
    • Patent number 9,315,596
    • Issue date Apr 19, 2016
    • LG Chem, Ltd.
    • Seong-Yong Ahn
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Bleaching activator
    • Patent number 6,528,470
    • Issue date Mar 4, 2003
    • LG Chemical Ltd.
    • Kwang Ha
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

  • Information Patent Application

    Polyolefin
    • Publication number 20210332169
    • Publication date Oct 28, 2021
    • LG CHEM, LTD.
    • Jeongkyu Lee
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polyethylene Resin Composition
    • Publication number 20200407538
    • Publication date Dec 31, 2020
    • LG CHEM, LTD.
    • Jisoo Song
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    Polyethylene Resin Film
    • Publication number 20200231789
    • Publication date Jul 23, 2020
    • LG CHEM, LTD.
    • Sol Cho
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polyolefin-based Film
    • Publication number 20190161590
    • Publication date May 30, 2019
    • LG CHEM, LTD.
    • Oh Joo Kwon
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AN ETHYLENE-1-HEXENE-1-BUTENE TERPOLYMER AND A FILM INCLUDING THE S...
    • Publication number 20180208693
    • Publication date Jul 26, 2018
    • LG CHEM, LTD.
    • Yu Taek SUNG
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD OF PREPARING VINYL CHLORIDE POLYMERS HAVING SUPERIOR PROCESS...
    • Publication number 20100267912
    • Publication date Oct 21, 2010
    • LG CHEM, LTD.
    • Seong-Yong Ahn
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCTION OF VINYL CHLORIDE-BASED POLYMER BY SUSPENSION...
    • Publication number 20100190946
    • Publication date Jul 29, 2010
    • LG CHEM, LTD.
    • Seong-Yong Ahn
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...