Patents by Inventor Hua-Pin Huang

Hua-Pin Huang 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: 20140271840
    Abstract: A solid oral controlled-release oral dosage form of hydrocodone is disclosed. The dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and a sufficient amount of a controlled release material to render the dosage form suitable for twice-a-day administration to a human patient, the dosage form providing a C12/Cmax ratio of 0.55 to 0.85, said dosage form providing a therapeutic effect for at least about 12 hours.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John Masselink, Alfred P. Tonelli
  • Publication number: 20140199394
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Application
    Filed: March 14, 2014
    Publication date: July 17, 2014
    Applicant: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin HUANG, John K. Masselink, Alfred Tonelli
  • Patent number: 8715721
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: May 6, 2014
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Publication number: 20140112981
    Abstract: A solid oral controlled-release oral dosage form of hydrocodone is disclosed. The dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and a sufficient amount of a controlled release material to render the dosage form suitable for twice-a-day administration to a human patient, the dosage form providing a C12/Cmax ratio of 0.55 to 0.85, said dosage form providing a therapeutic effect for at least about 12 hours.
    Type: Application
    Filed: December 3, 2013
    Publication date: April 24, 2014
    Applicant: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John Masselink, Alfred P. Tonelli
  • Patent number: 8647667
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: February 11, 2014
    Assignee: Purdue Pharma, L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred P. Tonelli
  • Publication number: 20130302418
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Application
    Filed: May 24, 2013
    Publication date: November 14, 2013
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred P. Tonelli
  • Publication number: 20130295177
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Application
    Filed: May 23, 2013
    Publication date: November 7, 2013
    Inventors: Benjamin Oshlack, Hua-Pin HUANG, John K. Masselink, Alfred Tonelli
  • Patent number: 8551520
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: October 8, 2013
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 8361499
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: January 29, 2013
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred P. Tonelli
  • Publication number: 20120263788
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Application
    Filed: June 28, 2012
    Publication date: October 18, 2012
    Applicant: Purdue Pharma L.P.
    Inventors: Benjamin OSHLACK, Hua-Pin HUANG, John K. MASSELINE, Alfred P. TONELLI
  • Patent number: 8231898
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: July 31, 2012
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred P. Tonelli
  • Patent number: 8142811
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: March 27, 2012
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred P. Tonelli
  • Publication number: 20110262532
    Abstract: A solid oral controlled-release oral dosage form of hydrocodone is disclosed. The dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and a sufficient amount of a controlled release material to render the dosage form suitable for twice-a-day administration to a human patient, the dosage form providing a C12/Cmax ratio of 0.55 to 0.85, said dosage form providing a therapeutic effect for at least about 12 hours.
    Type: Application
    Filed: December 30, 2010
    Publication date: October 27, 2011
    Applicant: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John Masselink, Alfred P. Tonelli
  • Patent number: 7943174
    Abstract: A solid oral controlled-release oral dosage form of hydrocodone is disclosed. The dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and a sufficient amount of a controlled release material to render the dosage form suitable for twice-a-day administration to a human patient, the dosage form providing a C12/Cmax ratio of 0.55 to 0.85, said dosage form providing a therapeutic effect for at least about 12 hours.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: May 17, 2011
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John Masselink, Alfred P. Tonelli
  • Publication number: 20110038927
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Application
    Filed: October 28, 2010
    Publication date: February 17, 2011
    Applicant: Purdue Pharma LP
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred P. Tonelli
  • Publication number: 20100172974
    Abstract: Bioavailable sustained release oral opioid analgesic dosage forms, comprising a plurality of multiparticulates produced via melt extrusion techniques are disclosed.
    Type: Application
    Filed: March 12, 2010
    Publication date: July 8, 2010
    Inventors: Benjamin Oshlack, Mark Chasin, Hua-Pin Huang
  • Publication number: 20090202629
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Application
    Filed: February 17, 2009
    Publication date: August 13, 2009
    Applicant: Purdue Pharma LP
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred P. Tonelli
  • Patent number: 7514100
    Abstract: A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
    Type: Grant
    Filed: September 11, 2003
    Date of Patent: April 7, 2009
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred P. Tonelli
  • Patent number: 7510727
    Abstract: A unit dose sustained-release oral dosage form containing a plurality of melt-extruded particles, each consisting essentially of a therapeutically active agent, one or more retardants, and an optional water-insoluble binder is disclosed. The particles have a length of from about 0.1 to about 12 mm and can be of varying diameters and each unit dose provides a release of therapeutically active agents over at least about 8 hours. Methods of preparing the unit doses as well as extrusion processes and methods of treatment are also disclosed.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: March 31, 2009
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Mark Chasin, Hua-Pin Huang
  • Publication number: 20070065364
    Abstract: The present invention relates to co-extruded pharmaceutical compositions and dosage forms comprising an adverse agent, such as an opioid antagonist, which can be sequestered. The pharmaceutical compositions and dosage forms diversion of a dosage form containing an active pharmaceutical agent, such as an opioid. The present invention also relates to methods of treating a patient with such a dosage form, as well as kits containing such a dosage form with instructions for using the dosage form to treat a patient. The present invention further relates to a process for the preparation of such pharmaceutical compositions and dosage forms comprising co-extrusion of a core comprising an adverse agent and a sheath.
    Type: Application
    Filed: April 21, 2004
    Publication date: March 22, 2007
    Inventors: Benjamin Oshlack, Hua-Pin Huang