Patents by Inventor John D. Herberger

John D. Herberger 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).

  • Methods for fabricating polymer-based controlled release devices
    Patent number: 6455074
    Abstract: The present invention relates to a polymer-based sustained release device, and methods of forming and using the device for the sustained release of an active agent. The improved method of the invention for forming a polymer-based sustained release device comprises forming a polymer/active agent solution by mixing a polymer, a continuous phase, and an active agent. The continuous phase can comprise one or more polymer solvents, a polymer solvent/polymer non-solvent mixture, or a polymer solvent/active agent non-solvent mixture. When the continuous phase comprises a polymer solvent/active agent non-solvent, the active agent can also be present as a microparticulate rather than in solution. The continuous phase is then removed from the polymer/active agent solution, thereby forming a solid polymer/active agent matrix.
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: September 24, 2002
    Assignee: Alkermes Controlled Therapeutics, Inc.
    Inventors: Mark A. Tracy, John D. Herberger, Paul A. Burke, Paul F. Herbert
  • Methods for fabricating polymer-based controlled release devices
    Patent number: 5989463
    Abstract: The present invention relates to a polymer-based sustained release device, and methods of forming and using the device for the sustained release of an active agent. The improved method of the invention for forming a polymer-bases sustained release device comprises forming a polymer/active agent solution by mixing a polymer, a continuous phase, and an active agent. The continuous phase can comprise one or more polymer solvents, a polymer solvent/polymer non-solvent mixture, or a polymer solvent/active agent non-solvent mixture. When the continuous phase comprises a polymer solvent/active agent non-solvent, the active agent can also be present as a microparticulate rather than in solution. The continuous phase is then removed from the polymer/active agent solution, thereby forming a solid polymer/active agent matrix.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: November 23, 1999
    Assignee: Alkermes Controlled Therapeutics, Inc.
    Inventors: Mark A. Tracy, John D. Herberger, Paul A. Burke, Paul F. Herbert