Patents by Inventor Leslie Rivera

Leslie Rivera 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).

  • Pharmaceutical compositions including nano-sized active agent
    Publication number: 20080026062
    Abstract: The present invention is directed to a particulate pharmaceutical composition. The particulate pharmaceutical composition can comprise a water-soluble or partially water-soluble polymer matrix; and a plurality of nano-sized particles of active agent which are sparingly water-soluble to water-insoluble dispersed in the water-soluble or partially water-soluble polymer matrix. The particulate pharmaceutical composition can be micronized or in the form of a film that can be rolled up. If micronized, the individual micron-sized particles can have a plurality of nano-sized particles present in the micron-sized particles.
    Type: Application
    Filed: July 31, 2006
    Publication date: January 31, 2008
    Inventors: Isaac Farr, Leslie Rivera, Ricardo G. Diaz-Felipe, Javier Valentin-Sivico, Saul Tirado, Iddys D. Figueroa, Kevin Michael Kane, Mirayda Aponte
  • Active agent-releasing dosage forms
    Publication number: 20080026040
    Abstract: The present invention provides pharmaceutical compositions. In one aspect, a pharmaceutical composition is provided having a plurality of polymeric film layers heat sealed together as a multilayer structure and having an active agent dispersed within the multilayer structure. The multilayer structure is configured to release the active agent upon administration to a subject, either in a controlled release or immediate release manner.
    Type: Application
    Filed: July 31, 2006
    Publication date: January 31, 2008
    Inventors: Isaac Farr, Leslie Rivera Guzman, Ricardo G. Diaz-Felipe, Javier Valentin-Sivico, Saul Tirado, Iddys D. Figueroa, Kevin Michael Kane, Mirayda Aponte