Patents by Inventor Minghwa Benjamin Liang

Minghwa Benjamin Liang 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: 20140099643
    Abstract: The invention provides methods for increasing the recoverability of taggants from an object. The methods include the steps of incorporating a taggant into a solution; mixing the solution including the taggant with a perturbant to form a first perturbant taggant solution; mixing the first perturbant taggant solution with a polymer to form a second perturbant taggant polymer solution; and applying the second perturbant taggant polymer solution to at least a portion of the object to form a taggant-coated object. Methods for authentication of a taggant marked object are also provided.
    Type: Application
    Filed: October 10, 2012
    Publication date: April 10, 2014
    Applicant: APPLIED DNA SCIENCES, INC.
    Inventors: Lawrence Jung, MingHwa Benjamin Liang, James A. Hayward
  • Publication number: 20090286250
    Abstract: Methods for authenticating an article with a cyanoacrylate solution comprising a water soluble security marker compound are described. The methods for producing a nucleophilic security marker/cyanoacrylate solution as well as methods for labeling an item and detecting the nucleophilic security marker/cyanoacrylate from an item being authenticated are also described. A method for using a nucleophilic cyanoacrylate security marker for antitheft purposes is also described.
    Type: Application
    Filed: May 13, 2009
    Publication date: November 19, 2009
    Inventors: James Arthur Hayward, Minghwa Benjamin Liang, Thomas John Kwok