Patents by Inventor Kyu-II Cho

Kyu-II Cho 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).

  • Preparation method of solvent-free water-dispersible hydroxypropyl methly cellulose phthalate nanoparticle
    Publication number: 20050000388
    Abstract: The present invention relates to a preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle, and more particularly, to a preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle, which is environment-friendly and advantageous in disintegration and dissolution when used as an enteric coating material, which is prepared by obtaining suitable hydroxypropyl methyl cellulose phthalate (HPMCP) particle through aqueous emulsification process and regulating content of remaining electrolyte through ion exchange process.
    Type: Application
    Filed: November 22, 2001
    Publication date: January 6, 2005
    Inventors: Kyu-II Cho, Hyon-Ho Baek, Jung-Hyun Kim, Jun Lee, Il Kim, Jung Park