Patents by Inventor Danaya PRATCHAYANAN

Danaya PRATCHAYANAN 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).

  • Method and compositions to achieve long-term stable electrical conductivity in silicone material with carbon black as conductive fillers
    Patent number: 12125606
    Abstract: Electrically conductive or semi-conductive curable silicone compositions with stable long term electrical resistivity/resistance are provided comprising a mixture of furnace black and acetylene black as conductive fillers. Methods for preparing the electrically conductive or semi-conductive curable silicone compositions and uses of the electrically conductive or semi-conductive curable silicone compositions are also provided.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: October 22, 2024
    Assignee: Elkem Silicones USA Corp.
    Inventors: Yan Meng, Amanda Burton, Danaya Pratchayanan
  • Process and premix for incorporating optical brighteners into a polymeric composition
    Patent number: 12037458
    Abstract: Methods for improving the dispersion of optical brighteners in polymeric compositions are provided. Polymeric compositions obtained by these methods are also provided. Premixes for use in the methods are also provided. In particular, methods for incorporating an optical brightener in a polymeric composition comprising dissolving the optical brightener in a solvent prior to adding the optical brightener to the polymeric compositions are provided.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: July 16, 2024
    Assignee: Elkem Silicones USA Corp.
    Inventors: Yan Meng, Michael John Watson, Chris Helt, Danaya Pratchayanan, Amanda Burton, Leeanne Brown
  • METHOD AND COMPOSITIONS TO ACHIEVE LONG-TERM STABLE ELECTRICAL CONDUCTIVITY IN SILICONE MATERIAL WITH CARBON BLACK AS CONDUCTIVE FILLERS
    Publication number: 20210383942
    Abstract: Electrically conductive or semi-conductive curable silicone compositions with stable long term electrical resistivity/resistance are provided comprising a mixture of furnace black and acetylene black as conductive fillers. Methods for preparing the electrically conductive or semi-conductive curable silicone compositions and uses of the electrically conductive or semi-conductive curable silicone compositions are also provided.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 9, 2021
    Inventors: Yan MENG, Amanda Burton, Danaya Pratchayanan
  • ARTICLE USEFUL FOR CIRCULAR ECONOMY AND COMPRISING A SILICONE ELASTOMER WITH PEELABLE AND CLEAN-RELEASING PROPERTIES
    Publication number: 20210238362
    Abstract: The present invention relates to an article useful for circular economy which comprises of a substrate S in contact with a cured silicone elastomer Z which is peelable with clean-releasing properties and which can be easily removed by human force. The invention also relates to a recycling method comprised of peeling off the cured silicone elastomer Z from the support S of the article according to the invention and then recycling or re-using said article.
    Type: Application
    Filed: January 28, 2021
    Publication date: August 5, 2021
    Inventors: Brian PRICE, Danaya PRATCHAYANAN, Yan MENG, Virginia O'NEIL
  • PROCESS AND PREMIX FOR INCORPORATING OPTICAL BRIGHTENERS INTO A POLYMERIC COMPOSITION
    Publication number: 20210070945
    Abstract: Methods for improving the dispersion of optical brighteners in polymeric compositions are provided. Polymeric compositions obtained by these methods are also provided. Premixes for use in the methods are also provided. In particular, methods for incorporating an optical brightener in a polymeric composition comprising dissolving the optical brightener in a solvent prior to adding the optical brightener to the polymeric compositions are provided.
    Type: Application
    Filed: September 3, 2020
    Publication date: March 11, 2021
    Inventors: Yan MENG, Michael John WATSON, Chris HELT, Danaya PRATCHAYANAN, Amanda BURTON, Leeanne BROWN