Patents by Inventor LaDonna Steiner

LaDonna Steiner 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).

  • Color Change Time Indicator for Packaging System
    Publication number: 20120165336
    Abstract: Disclosed in certain embodiments is a pharmaceutical packaging system comprising: a receptacle comprising an openable seal for accessing the interior of the receptacle; a pharmaceutical dosage form contained in the receptacle; and an activatable color-changing material, wherein upon activation, the material exhibits a visually discernible color change upon the lapsing of a predetermined time period.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 28, 2012
    Applicant: PURDUE PHARMA L.P.
    Inventor: LaDonna Steiner