Patents by Inventor Hang Mei LEUNG

Hang Mei LEUNG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bio-based material with antibacterial effect and use thereof
    Patent number: 12376587
    Abstract: Provided is a bio-based material having an antibacterial effect, comprising a polymer represented by a formula (1) or a mixture of the polymer represented by the formula (1) and polyethylene glycol as an antibacterial active ingredient. The use of the bio-based material is also mentioned. The antibacterial bio-based material has excellent, stable and long-lasting antibacterial activity, and has remarkable antibacterial effects against various bacteria and fungi. The antibacterial bio-based material also has excellent biodegradability and biocompatibility, is derived from bio-based products produced by microbial fermentation, has high safety and is suitable for industrial production and large-scale use.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: August 5, 2025
    Assignee: The Hong Kong Research Institute of Textiles and Apparel Limited
    Inventors: Xiaoming Tao, Xingxing Yang, Ziheng Zhang, Jun Li, Shirui Liu, Linlin Ma, Bin Fei, Hang Mei Leung
  • BIO-BASED MATERIAL WITH ANTIBACTERIAL EFFECT AND USE THEREOF
    Publication number: 20210084897
    Abstract: Provided is a bio-based material having an antibacterial effect, comprising a polymer represented by a formula (1) or a mixture of the polymer represented by the formula (1) and polyethylene glycol as an antibacterial active ingredient. The use of the bio-based material is also mentioned. The antibacterial bio-based material has excellent, stable and long-lasting antibacterial activity, and has remarkable antibacterial effects against various bacteria and fungi. The antibacterial bio-based material also has excellent biodegradability and biocompatibility, is derived from bio-based products produced by microbial fermentation, has high safety and is suitable for industrial production and large-scale use.
    Type: Application
    Filed: June 15, 2018
    Publication date: March 25, 2021
    Applicant: THE HONG KONG RESEARCH INSTITUTE OF TEXTILES AND APPAREL LIMITED
    Inventors: Xiaoming TAO, Xingxing YANG, Ziheng ZHANG, Jun LI, Shirui LIU, Linlin MA, Bin FEI, Hang Mei LEUNG