Patents by Inventor Yuda Zong

Yuda Zong 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).

  • Pharmaceutical compositions with enhanced performance and improved processability
    Patent number: 9492550
    Abstract: The presently disclosed and claimed inventive concept(s) relates to a polymer for enhancing drug performance and improving processability. Specifically, the polymer comprises hydroxypropyl methyl cellulose acetate succinate (HPMC-AS). On the HPMC-AS, the percentage of total succinoyl degree of substitution is less than 12% at C6-OH position and greater than 53% at C3-OH, and the percentage of total acetyl degree of substitution is greater than 32% at C6-OH position.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: November 15, 2016
    Assignee: Hercules LLC
    Inventors: Todd A. Brugel, Tuyen T. Nguyen, Sangrama Sahoo, Divya Tewari, Yuda Zong
  • Pharmaceutical Compositions With Enhanced Performance and Improved Processability
    Publication number: 20140249235
    Abstract: The presently disclosed and claimed inventive concept(s) relates to a polymer for enhancing drug performance and improving processability. Specifically, the polymer comprises hydroxypropyl methyl cellulose acetate succinate (HPMC-AS). On the HPMC-AS, the percentage of total succinoyl degree of substitution is less than 12% at C6-OH position and greater than 53% at C3-OH, and the percentage of total acetyl degree of substitution is greater than 32% at C6-OH position.
    Type: Application
    Filed: February 21, 2014
    Publication date: September 4, 2014
    Applicant: HERCULES INCORPORATED
    Inventors: Todd A. Brugel, Tuyen T. Nguyen, Sangrama Sahoo, Divya Tewari, Yuda Zong
  • Stable Shellac Enteric Coating Formulation for Nutraceutical and Pharmaceutical Dosage Forms
    Publication number: 20110002986
    Abstract: The present invention relates to formulations for use as enteric coatings. More particularly, the present invention relates to a formulation comprising a blend of food grade ingredients that can be readily dispersed in water. This dispersion exhibits low viscosity and can easily be coated onto solid dosage forms through spraying and the like to provide an enteric coating on the solid dosage form.
    Type: Application
    Filed: July 1, 2010
    Publication date: January 6, 2011
    Applicant: Hercules Incorporated
    Inventors: Thomas Durig, Yuda Zong
  • Water dispersible enteric coating formulation of nutraceutical and pharmaceutical dosage forms
    Publication number: 20090252767
    Abstract: The present invention relates to formulations for use as enteric coatings. More particularly, the present invention relates to a formulation comprising a dry blend of food grade ingredients that can be readily dispersed in water. This dispersion exhibits low viscosity and can easily be coated onto solid dosage forms through spraying and the like to provide an enteric coating on the solid dosage form.
    Type: Application
    Filed: November 13, 2008
    Publication date: October 8, 2009
    Inventors: Thomas Durig, Derek Ronell Malone, Yuda Zong