Patents by Inventor John Brian Rieger

John Brian Rieger 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).

  • Patent number: 6159672
    Abstract: The invention provides a multilayered color photographic element and associated image forming process wherein the element comprises a support having coated thereon photographic silver halide emulsion layers said layers including at least two blue sensitive layers, the blue sensitive layers being the emulsion layers farthest from the support, whereinthe first of said blue sensitive layers is the most sensitive blue layer and is the emulsion layer farthest from the support, the first blue sensitive layer being extremely starved of dye-forming coupler, the second blue sensitive layer being contiguous said first blue sensitive layer.
    Type: Grant
    Filed: October 8, 1993
    Date of Patent: December 12, 2000
    Assignee: Eastman Kodak Company
    Inventors: John Brian Rieger, James Anthony Friday
  • Patent number: 5851746
    Abstract: A photographic element comprises an ultraviolet ray absorbing polyester support bearing a light-sensitive silver halide photographic emulsion layer, the support having adjacent thereto one or more contiguous non imaging layers between the support and the closest silver halide photographic emulsion layer said one or more contiguous layers containing a combined gelatin laydown of 2.3 g/m.sup.2 or less.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: December 22, 1998
    Assignee: Eastman Kodak Company
    Inventors: John Brian Rieger, Drake Matthew Michno
  • Patent number: 5716764
    Abstract: The invention provides a multilayer silver halide color negative photographic element comprising in the same layer a cyan dye of formula (I) and a ballasted stabilizer compound of formula (II), where the respective formulas are: ##STR1## andB--L--A--R (II)wherein:the substiuents are as defined herein the specification.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: February 10, 1998
    Assignee: Eastman Kodak Company
    Inventors: John Brian Rieger, Charles Leo Bauer
  • Patent number: 5677116
    Abstract: The invention provides a photographic element comprising a polyester support bearing a light-sensitive silver halide photographic emulsion layer, the support having adjacent thereto a polymer-containing subbing layer, the subbing layer having adjacent thereto a layer comprising a hydrophilic binder containing dispersed droplets of a high boiling hydrophobic organic liquid, said liquid having a logarithm of its octanol/water partition coefficient (log P) value greater than 7.7. The invention also includes a process for preparing a photographic element of the invention and a process for forming an image in an element of the invention. The invention further includes a photographic element comprising a polyester support bearing a hydrophilic layer containing an antihalation agent, such as elemental silver, with or without an intervening subbing layer.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: October 14, 1997
    Assignee: Eastman Kodak Company
    Inventors: Paul Leo Zengerle, John Brian Rieger, John William Boettcher, Richard Allen Carmack