Patents by Inventor Haiying WEI

Haiying WEI 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).

  • Patent number: 12193532
    Abstract: An antibacterial and antiviral degradable mask and a manufacturing method thereof are provided. From outside to inside, the mask sequentially comprises a surface layer (1), a core layer (2), and an inner layer (3) that contacts the face; the surface layer (1) is made of an antibacterial and antiviral cellulose spunlace non-woven fabric; the core layer (2) is made of a polypropylene melt-blown non-woven fabric; the inner layer (3) is made of a polypropylene spunbond non-woven fabric or a degradable natural cotton fabric. The mask can have both antibacterial and antiviral functions; moreover, the material is degradable, and thus, environmental pollution pressure caused by non-degradable petroleum-based fiber materials such as polypropylene can be effectively relieved.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: January 14, 2025
    Assignee: NANJING FORESTRY UNIVERSITY
    Inventors: Chao Deng, Farzad Seidi, Qiang Yong, Xiangyu Jin, Chengcheng Li, Haiying Wei
  • Publication number: 20240237765
    Abstract: An antibacterial and antiviral degradable mask and a manufacturing method thereof are provided. From outside to inside, the mask sequentially comprises a surface layer (1), a core layer (2), and an inner layer (3) that contacts the face; the surface layer (1) is made of an antibacterial and antiviral cellulose spunlace non-woven fabric; the core layer (2) is made of a polypropylene melt-blown non-woven fabric; the inner layer (3) is made of a polypropylene spunbond non-woven fabric or a degradable natural cotton fabric. The mask can have both antibacterial and antiviral functions; moreover, the material is degradable, and thus, environmental pollution pressure caused by non-degradable petroleum-based fiber materials such as polypropylene can be effectively relieved.
    Type: Application
    Filed: June 1, 2021
    Publication date: July 18, 2024
    Applicant: NANJING FORESTRY UNIVERSITY
    Inventors: Chao DENG, Farzad SEIDI, Qiang YONG, Xiangyu JIN, Chengcheng LI, Haiying WEI