Patents by Inventor Kok Chiew Poh

Kok Chiew Poh 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).

  • AQUEOUS DISPERSION OF POLYMER PARTICLES, MICROSPHERES, AND COLLOIDIAL SILICA PARTICLES.
    Publication number: 20230312969
    Abstract: The present invention is a composition comprising an aqueous dispersion of polymer particles, polymeric organic crosslinked microspheres, and colloidal silica particles. The composition is useful in coating compositions for exterior applications to achieve a balance of excellent dirt pickup resistance and durability performance under accelerated testing conditions.
    Type: Application
    Filed: July 31, 2020
    Publication date: October 5, 2023
    Applicant: The Dow Chemical Company
    Inventors: Caifeng Wang, Jianming Xu, Kok Chiew Poh, Yuehan Hu, Tao Wang, Juan F. Callejas, Philip R. Harsh, James C. Bohling, Andrew J. Swartz, Partha S. Majumdar, Joseph Tanzer