Patents by Inventor Peter J. Lukes

Peter J. Lukes 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).

  • Electrochromic device
    Patent number: 5521745
    Abstract: An electrochromic device comprises two electrodes separated by an electrolytic medium and means to permit the application of a potential between the electrodes, so as to create a circuit for charge transfer, and an electrochromic material in contact with the electrolyte and an electrode so that a change in spectral properties of the material is detectable from the exterior of the device, the electrochromic material comprising an aluminium and/or silicon containing monophthalocyanine or monotetrabenzoazaporphyrin complex.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: May 28, 1996
    Assignee: British Technology Group Ltd.
    Inventors: Jack Silver, Peter J. Lukes