Patents by Inventor Thomas John Kwok

Thomas John Kwok 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).

  • INCORPORATING SOLUBLE SECURITY MARKERS INTO CYANOACRYLATE SOLUTIONS
    Publication number: 20160102215
    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: December 15, 2015
    Publication date: April 14, 2016
    Applicant: APDN (B.V.I.) INC.
    Inventors: James A. HAYWARD, MingHwa Benjamin LIANG, Thomas John KWOK
  • INCORPORATING SOLUBLE SECURITY MARKERS INTO CYANOACRYLATE SOLUTIONS
    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