Patents by Inventor John K. Masselink

John K. Masselink 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).

  • Patent number: 10441547
    Abstract: The present invention relates to co-extruded pharmaceutical compositions and dosage forms including an active agent, such as an opioid agonist, and an adverse agent, such as an opioid antagonist. Such compositions and dosage forms are useful for preventing or discouraging tampering, abuse, misuse or 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.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: October 15, 2019
    Assignee: PURDUE PHARMA L.P.
    Inventors: Robert P. Flath, John K. Masselink
  • Publication number: 20180353502
    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 13, 2018
    Publication date: December 13, 2018
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 10022368
    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 13, 2016
    Date of Patent: July 17, 2018
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K Masselink, Alfred Tonelli
  • Patent number: 9682077
    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 13, 2016
    Date of Patent: June 20, 2017
    Assignee: PURDUE PHARMA L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K Masselink, Alfred Tonelli
  • Patent number: 9669023
    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 13, 2016
    Date of Patent: June 6, 2017
    Assignee: PURDUE PHARMA L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K Masselink, Alfred Tonelli
  • Publication number: 20170151229
    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: December 13, 2016
    Publication date: June 1, 2017
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Publication number: 20170087152
    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: December 13, 2016
    Publication date: March 30, 2017
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Publication number: 20170087151
    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: December 13, 2016
    Publication date: March 30, 2017
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 9572805
    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 9, 2016
    Date of Patent: February 21, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 9572804
    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 9, 2016
    Date of Patent: February 21, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 9526724
    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 9, 2016
    Date of Patent: December 27, 2016
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 9517236
    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 9, 2016
    Date of Patent: December 13, 2016
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 9504681
    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 9, 2016
    Date of Patent: November 29, 2016
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Publication number: 20160158224
    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 9, 2016
    Publication date: June 9, 2016
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Publication number: 20160158223
    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 9, 2016
    Publication date: June 9, 2016
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Publication number: 20160151292
    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 9, 2016
    Publication date: June 2, 2016
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Publication number: 20160151361
    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 9, 2016
    Publication date: June 2, 2016
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Publication number: 20160151288
    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 9, 2016
    Publication date: June 2, 2016
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 9289391
    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 7, 2015
    Date of Patent: March 22, 2016
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli
  • Patent number: 9205055
    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 2, 2015
    Date of Patent: December 8, 2015
    Assignee: Purdue Pharma L.P.
    Inventors: Benjamin Oshlack, Hua-Pin Huang, John K. Masselink, Alfred Tonelli