TREA

Zhigang Liu

Follow

Person

  • Changchun, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing polylactic acid
    • Patent number 11,118,006
    • Issue date Sep 14, 2021
    • NUTRITION & HEALTH RESEARCH INSTITUTE, COFCO CORPORATION
    • Yi Tong
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polylactic acid polymerization reaction apparatus and system
    • Patent number 11,110,427
    • Issue date Sep 7, 2021
    • COFCO (jilin) Bio-Chemical Technology Co., Ltd
    • Yi Tong
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL