Patents by Inventor David Junhui Dai

David Junhui Dai 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).

  • Controlled release compositions
    Patent number: 6676954
    Abstract: Solid compositions containing low water solubility 3-isothiazolone compounds and carbon-based adsorbents that do not rapidly release the 3-isothiazolone when added to a locus to be protected are disclosed. In particular, methods of controlling or inhibiting the growth of marine organisms using the controlled release solid compositions in paints and coatings for marine structures is disclosed.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: January 13, 2004
    Assignee: Rohm and Haas Company
    Inventors: David Junhui Dai, Gary Lewis Willingham
  • Controlled release compositions
    Publication number: 20020001618
    Abstract: Solid compositions containing low water solubility 3-isothiazolone compounds and carbon-based adsorbents that do not rapidly release the 3-isothiazolone when added to a locus to be protected are disclosed. In particular, methods of controlling or inhibiting the growth of marine organisms using the controlled release solid compositions in paints and coatings for marine structures is disclosed.
    Type: Application
    Filed: March 19, 2001
    Publication date: January 3, 2002
    Inventors: David Junhui Dai, Gary Lewis Willingham