Patents by Inventor Christina Hann

Christina Hann 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).

  • Controlled dissolution of active ingredients
    Patent number: 7153497
    Abstract: A dosage form comprising a resin/resinate combination is described. Said dosage form allows optimization of the release rate profile of active ingredients.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: December 26, 2006
    Assignee: Rohm and Haas Company
    Inventors: Lyn Hughes, Simon Andrew Bellamy, Christina Hann
  • Extended release of active ingredients
    Publication number: 20020176842
    Abstract: A dosage form is described that gives an extended release of active ingredients using unloaded ion exchange resins, that does not require the manufacture of a resinate.
    Type: Application
    Filed: March 26, 2002
    Publication date: November 28, 2002
    Inventors: Lyn Hughes, Simon Andrew Bellamy, Christina Hann
  • Controlled dissolution of active ingredients
    Publication number: 20020146384
    Abstract: A dosage form comprising a resin/resinate combination is described. Said dosage form allows optimization of the release rate profile of active ingredients.
    Type: Application
    Filed: March 26, 2002
    Publication date: October 10, 2002
    Inventors: Lyn Hughes, Simon Andrew Bellamy, Christina Hann