Patents by Inventor Russ McMahen

Russ McMahen 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).

  • Compositions and methods of making sustained release liquid formulations
    Patent number: 8318210
    Abstract: The present invention includes compositions and methods for the controlled release of active agents in a shelf-stable liquid formulation by blending one or more controlled release microbeads comprising one or more active agents, preparing a dense, thixotropic solution having a density that is at, or about, the density of the one or more microbeads comprising a thixotropic agent, water and one or more preservatives under conditions that reduce bubble formation and mixing the microbeads and the thixotropic solutions in a mixer that lacks scraping paddles.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: November 27, 2012
    Assignee: Neos Therapeutics, LP
    Inventors: Mark Tengler, Paul Taskey, Daniel Lockhart, Russ McMahen
  • Compositions and methods of making sustained release liquid formulations
    Publication number: 20060193877
    Abstract: The present invention includes compositions and methods for the controlled release of active agents in a shelf-stable liquid formulation by blending one or more controlled release microbeads comprising one or more active agents, preparing a dense, thixotropic solution having a density that is at, or about, the density of the one or more microbeads comprising a thixotropic agent, water and one or more preservatives under conditions that reduce bubble formation and mixing the microbeads and the thixotropic solutions in a mixer that lacks scraping paddles.
    Type: Application
    Filed: February 28, 2005
    Publication date: August 31, 2006
    Applicant: PFab, LP
    Inventors: Mark Tengler, Paul Taskey, Daniel Lockhart, Russ McMahen