Patents by Inventor Matthew T Worden

Matthew T Worden 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).

  • Document and method of making document including invisible information for security applications
    Patent number: 7919155
    Abstract: A document includes paper having an average surface roughness of at least about 0.5 microns and including one or more optical brighteners, and includes at least one image thereon wherein the at least one image includes clear binder and light absorbing material that absorbs light only at wavelengths below 350 nm. The image is substantially not detectable to a naked human eye through differential gloss or exposure to light having wavelengths of 365 nm or more, but may be revealed to the naked human eye by exposing the document to light having a wavelength at which the light absorbing material absorbs light.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: April 5, 2011
    Assignee: Xerox Corporation
    Inventors: Gabriel Iftime, Peter M Kazmaier, Naveen Chopra, Matthew T Worden, Paul F Smith
  • DOCUMENT AND METHOD OF MAKING DOCUMENT INCLUDING INVISIBLE INFORMATION FOR SECURITY APPLICATIONS
    Publication number: 20080220187
    Abstract: A document includes paper having an average surface roughness of at least about 0.5 microns and including one or more optical brighteners, and includes at least one image thereon wherein the at least one image includes clear binder and light absorbing material that absorbs light only at wavelengths below 350 nm. The image is substantially not detectable to a naked human eye through differential gloss or exposure to light having wavelengths of 365 nm or more, but may be revealed to the naked human eye by exposing the document to light having a wavelength at which the light absorbing material absorbs light.
    Type: Application
    Filed: March 7, 2007
    Publication date: September 11, 2008
    Applicant: XEROX CORPORATION
    Inventors: Gabriel IFTIME, Peter M. KAZMAIER, Naveen CHOPRA, Matthew T. WORDEN, Paul F. SMITH