Patents by Inventor Darlene Ryan

Darlene Ryan 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).

  • Dynamic variable release
    Publication number: 20050152967
    Abstract: The present invention relates to novel mixed release pharmaceutical formulations that include a expectorant available for immediate release and a decongestant for extended release that provide for the symptomatic relief of cough associated with respiratory tract conditions such as the common cold, bronchial asthma, acute and chronic bronchitis.
    Type: Application
    Filed: December 13, 2004
    Publication date: July 14, 2005
    Applicant: PFab, LP
    Inventors: Mark Tengler, Darlene Ryan