Patents by Inventor Da-zhu Chen

Da-zhu Chen 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).

  • Publication number: 20120135250
    Abstract: An antimicrobial article prepared by a method includes forming an antimicrobial mixture by adding a calculated amount of antimicrobial agent to a solution of water and alcohol, depositing the antimicrobial mixture in a container, the antimicrobial mixture having a thickness of 0.1 ?m to 10 ?m, evaporating the water and alcohol of the antimicrobial mixture to form the layer of antimicrobial coating, adding silicone resin on top of the layer of antimicrobial coating and allow the silicone resin to permeate and crosslink with the layer of antimicrobial coating, and removing the silicone composite with the layer of antimicrobial coating from the container.
    Type: Application
    Filed: February 2, 2012
    Publication date: May 31, 2012
    Applicant: The Hong Kong Polytechnic University
    Inventors: Chak Yin TANG, Da-zhu CHEN, Tai Man YUE, Yuen Yee CHAN
  • Patent number: 8133423
    Abstract: A method of fabricating silicone composite with a layer of antimicrobial coating, the method includes forming an antimicrobial mixture by adding a calculated amount of antimicrobial agent to a solution of water and alcohol, depositing the antimicrobial mixture in a container with a thickness of 0.1 ?m to 10 ?m, evaporating the water and alcohol of the antimicrobial mixture to form the layer of antimicrobial coating, adding silicone resin on top of the layer of antimicrobial coating and allow the silicone resin to permeate and crosslink with the layer of antimicrobial coating and removing the silicone composite with the layer of antimicrobial coating from the container.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: March 13, 2012
    Assignees: The Hong Kong Polytechnic University, The Chinese University of Hong Kong
    Inventors: Chak Yin Tang, Da-zhu Chen, Tai Man Yue, Yuen Yee Chan
  • Publication number: 20110091669
    Abstract: A method of fabricating silicone composite with a layer of antimicrobial coating, the method includes forming an antimicrobial mixture by adding a calculated amount of antimicrobial agent to a solution of water and alcohol, depositing the antimicrobial mixture in a container with a thickness of 0.1 ?m to 10 ?m, evaporating the water and alcohol of the antimicrobial mixture to form the layer of antimicrobial coating, adding silicone resin on top of the layer of antimicrobial coating and allow the silicone resin to permeate and crosslink with the layer of antimicrobial coating and removing the silicone composite with the layer of antimicrobial coating from the container.
    Type: Application
    Filed: October 20, 2009
    Publication date: April 21, 2011
    Applicant: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Chak Yin Tang, Da-zhu Chen, Tai Man Yue, Yuen Yee Chan