Patents by Inventor Stephen J. Schadtle

Stephen J. Schadtle 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).

  • Immediate release dosage forms containing solid drug dispersions
    Patent number: 9211261
    Abstract: High loading immediate release dosage forms containing at least 30 wt % of a solid drug dispersion, at least 5 wt % of a disintegrant and a porosigen are disclosed that exhibit excellent strength and aqueous solubility.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: December 15, 2015
    Assignee: Bend Research, Inc.
    Inventors: Leah E. Appel, John E. Byers, Marshall D. Crew, Dwayne T. Friesen, Bruno C. Hancock, Stephen J. Schadtle
  • IMMEDIATE RELEASE DOSAGE FORMS CONTAINING SOLID DRUG DISBURSIONS
    Publication number: 20080317851
    Abstract: High loading immediate release dosage forms containing at least 30 wt % of a solid drug dispersion, at least 5 wt % of a disintegrant and a porosigen are disclosed that exhibit excellent strength and aqueous solubility.
    Type: Application
    Filed: October 30, 2007
    Publication date: December 25, 2008
    Inventors: Leah E. Appel, John E. Byers, Marshall D. Crew, Dwayne T. Friesen, Bruno C. Hancock, Stephen J. Schadtle
  • Immediate release dosage forms containing solid drug dispersions
    Publication number: 20030224043
    Abstract: High loading immediate release dosage forms containing at least 30 wt % of a solid drug dispersion, at least 5 wt % of a disintegrant and a porosigen are disclosed that exhibit excellent strength and aqueous solubility.
    Type: Application
    Filed: January 31, 2003
    Publication date: December 4, 2003
    Applicant: Pfizer Inc.
    Inventors: Leah E. Appel, John E. Byers, Marshall D. Crew, Dwayne T. Friesen, Bruno C. Hancock, Stephen J. Schadtle