Patents by Inventor Lisa B. Jungherr

Lisa B. Jungherr 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).

  • Ocular microsphere delivery system
    Patent number: 5837226
    Abstract: A sustained release drug delivery composition and a method of making same are provided which comprises microspheres containing a pharmaceutically active agent, a core of a ion-exchange resin and a polymeric coating completely surrounding the core wherein the coating is water-insoluble and hydrolytically stable in physiological environments. The coating is non-erodible in physiological environments and is characterized by a diffusion constant suitable for the pharmaceutical agent to diffuse from the core to an aqueous environment at a predetermined release rate.
    Type: Grant
    Filed: September 19, 1995
    Date of Patent: November 17, 1998
    Assignee: Vitaphore Corporation C/O Integra Lifesciences Corp.
    Inventors: Lisa B. Jungherr, Thomas B. Ottoboni
  • Hydrogel-based microsphere drug delivery systems
    Patent number: 5731005
    Abstract: The present invention provides a sustained-release delivery composition for ophthalmic drugs comprising cross-linked hydrogel microspheres having a binding affinity for the drug.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: March 24, 1998
    Assignee: Vitaphore Corporation
    Inventors: Thomas B. Ottoboni, Lisa B. Jungherr, Ronald K. Yamamoto