Patents Assigned to Chroma Global Holdings Ltd.
  • Patent number: 11583829
    Abstract: A polymer for liquid chromatography or solid phase extraction is provided. The polymer is prepared by polymerizing styrene and divinylbenzene to form a styrene-divinylbenzene copolymer; soaking the styrene-divinylbenzene copolymer in a swelling agent to form nano-scale micropores; and soaking the microporous styrene-divinylbenzene copolymer in methanol. When packed in a chromatographic column, the polymer can be used to produce produce natural health or medicinal products from Cannabis species, for example, industrial hemp.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: February 21, 2023
    Assignee: Chroma Global Holdings Ltd.
    Inventor: Fake Zhu