Patents by Inventor I-Lan Sue

I-Lan Sue 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).

  • Stabilized formulations comprising hydrolytically unstable compositions
    Publication number: 20040170689
    Abstract: This invention relates to new stable oral pharmaceutical formulations prepared by covering an nucleus formed by a core with a first hydrophobic polymer layer, a second layer coating the first layer, wherein said second layer comprises one or more labile pharmaceutical compounds in one or more acceptable hydrophobic excipients, and an optional third enteric polymer layer.
    Type: Application
    Filed: March 11, 2004
    Publication date: September 2, 2004
    Inventors: Debra Alida Odink, I-Lan Sue, Gary Conard Visor
  • Stabilized fromulations comprising hydrolytically unstable compositions
    Publication number: 20020086057
    Abstract: This invention relates to new stable oral pharmaceutical formulations prepared by covering an nucleus formed by a core with a first hydrophobic polymer layer, a second layer coating the first layer, wherein said second layer comprises one or more labile pharmaceutical compounds in one or more acceptable hydrophobic excipients, and an optional third enteric polymer layer.
    Type: Application
    Filed: November 9, 2001
    Publication date: July 4, 2002
    Inventors: Debra Alida Odink, I-Lan Sue, Gary Conard Visor
  • Sustained release drug delivery system suitable for oral administration
    Patent number: 5885616
    Abstract: A single bead drug delivery system suitable for oral administration with multiply layered drug and polymer compartments can provide a two-step release of active agent to facilitate an immediate yet sustained drug delivery over a 24 hour period following oral administration with minimized variance between peak and trough levels of therapeutic drug amounts.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: March 23, 1999
    Assignee: Impax Pharmaceuticals, Inc.
    Inventors: John Hsiao, I-Lan Sue