Patents by Inventor Wai Chak Lam

Wai Chak Lam 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).

  • Self-healing material and preparation process thereof
    Patent number: 9713801
    Abstract: The present application provides a self-healing material which comprises silica sol as self-healing agent encapsulated by a polymeric shell. The self-healing material may be further embedded in a concrete mixture to heal micro-cracks in concrete. A method for preparing the self-healing material is also provided.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: July 25, 2017
    Assignee: Nano and Advanced Materials Institute Limited
    Inventors: Lok Hang Keung, Noel Peter Bengzon Tan, Wing Ho Choi, Wai Chak Lam
  • SELF-HEALING MATERIAL AND PREPARATION PROCESS THEREOF
    Publication number: 20170128903
    Abstract: The present application provides a self-healing material which comprises silica sol as self-healing agent encapsulated by a polymeric shell. The self-healing material may be further embedded in a concrete mixture to heal micro-cracks in concrete. A method for preparing the self-healing material is also provided.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 11, 2017
    Inventors: Lok Hang Keung, Noel Peter Bengzon Tan, Wing Ho Choi, Wai Chak Lam
  • Self-healing material and preparation process thereof
    Patent number: 9598313
    Abstract: The present application provides a self-healing material which comprises silica sol as self-healing agent encapsulated by a polymeric shell. The self-healing material may be further embedded in a concrete mixture to heal micro-cracks in concrete. A method for preparing the self-healing material is also provided.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: March 21, 2017
    Assignee: Nano and Advanced Materials Institute Limited
    Inventors: Lok Hang Keung, Noel Peter Bengzon Tan, Wing Ho Choi, Wai Chak Lam
  • SELF-HEALING MATERIAL AND PREPARATION PROCESS THEREOF
    Publication number: 20150344365
    Abstract: The present application provides a self-healing material which comprises silica sol as self-healing agent encapsulated by a polymeric shell. The self-healing material may be further embedded in a concrete mixture to heal micro-cracks in concrete. A method for preparing the self-healing material is also provided.
    Type: Application
    Filed: May 28, 2015
    Publication date: December 3, 2015
    Inventors: Lok Hang Keung, Noel Peter Bengzon Tan, Wing Ho Choi, Wai Chak Lam