Patents by Inventor Philip B. Forshee

Philip B. Forshee 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).

  • Dipyrromethenes and Azadipyrromethenes as Markers for Petroleum Products
    Publication number: 20110069307
    Abstract: Marking a petroleum product includes adding a covert dye selected from the group consisting of azadipyrromethene dyes, dipyrromethene dyes, and any combination thereof to the petroleum product and distributing the dye in the petroleum product. A petroleum product selected for analysis may be spectroscopically analyzed for the presence of an azadipyrromethene dye, a dipyrromethene dye, or a combination thereof. A concentration of at least one azadipyrromethene or dipyrromethene dye present in the portion of the petroleum product may be determined to identify the petroleum product as counterfeit, adulterated, or authentic based on the determined concentration of the azadipyrromethene or dipyrromethene dye.
    Type: Application
    Filed: September 20, 2010
    Publication date: March 24, 2011
    Applicant: AUTHENTIX, INC.
    Inventors: Philip B. Forshee, Greg R. Hundt, Jeffrey L. Conroy