Patents by Inventor Richard Allen Carmack

Richard Allen Carmack 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 element having polyester support and exhibiting improved dry adhesion
    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