Patents by Inventor Wey Yih HEAH

Wey Yih HEAH 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: 20240050353
    Abstract: The present invention provides a method for producing natural polymer microspheres, the method including: adding a solution containing a natural polymer (e.g., an aqueous fibroin solution) to an organic solvent, the organic solvent having a surfactant dissolved therein, and homogenizing the resulting mixed solution to generate a natural polymer colloidal suspension; and adding the natural polymer colloidal suspension to an alcohol having 3 or more carbon atoms to form natural polymer microspheres.
    Type: Application
    Filed: December 21, 2021
    Publication date: February 15, 2024
    Inventors: Yohei YAMAMOTO, Wey Yih HEAH, Hiroshi YAMAGISHI