Patents Assigned to Carl Zeiss Vision (China) Ltd.
  • Spectacle lens with antibacterial and/or antiviral properties and method for manufacturing the same
    Patent number: 11940596
    Abstract: A spectacle lens has on at least one surface thereof at least two coatings modified to exhibit an antibacterial effect and/or an antiviral effect. A method of making such a spectacle lens includes dispersing at least one biocidal component in a solvent and/or dissolving at least one biocidal component in a solvent, the dispersed at least one biocidal component and the dissolved at least one biocidal component being different from each other.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: March 26, 2024
    Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss Vision (China) Ltd.
    Inventors: Emad Flear Aziz, Liu Ouyang, Marc Wawerla, Haiming You