Patents by Inventor Zbigniew J. Hinz

Zbigniew J. Hinz 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).

  • Silver halide emulsions
    Patent number: 5601963
    Abstract: This invention relates to photographic light-sensitive silver halide emulsions wherein the silver grains are spectrally sensitized to near infrared radiation at wavelengths above 700 nm with a particular class of cyanine dyes and to photographic elements and film units employing such emulsions.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: February 11, 1997
    Assignee: Polaroid Corporation
    Inventors: Michael P. Filosa, Zbigniew J. Hinz, Mark T. Spitler
  • Silver halide emulsions spectrally sensitized to infrared radiation with novel cyanine dyes
    Patent number: 5254455
    Abstract: This invention relates to photographic silver halide emulsions spectrally sensitized to infrared radiation above 800 nm and to a class of pentamethine cyanine dyes of 5-fluorobenzothiazole derivatives useful as the infrared sensitizing dyes.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: October 19, 1993
    Assignee: Polaroid Corporation
    Inventors: Zbigniew J. Hinz, Emmett S. McCaskill