Patents by Inventor Daniel John Collins

Daniel John Collins 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).

  • Photographic silver halide media for digital optical recording
    Patent number: 5744287
    Abstract: The invention relates to a photographic element comprising a layer comprising a cyan dye forming coupler, a layer comprising a magenta dye forming coupler and a layer comprising a yellow dye forming coupler, wherein said layers further comprise silver halide emulsions, said emulsions comprise greater than 95 percent chloride and said element when exposed at less than 50 microseconds per pixel in each color record and at a resolution between 200 and 500 pixels per inch provides after development a maximum gamma between 3.4 and 6.0 in at least one color record layer within a log exposure range not exceeding 1.1.
    Type: Grant
    Filed: November 17, 1995
    Date of Patent: April 28, 1998
    Assignee: Eastman Kodak Company
    Inventors: Michael Richard Roberts, Alphonse Dominic Camp, Richard Lee Parton, Daniel John Collins