Patents Assigned to Konishiroku Photo Industry Co., Ind.
  • Patent number: 4904580
    Abstract: A direct positive silver halide photographic light sensitive material including a support having thereon at least one silver halide emulsion layer containing internal latent image silver halide grains, each of the grains comprising a core/shell structured particle comprising a core, at least one intermediate layer, and an outermost layer formed thereon. The outermost layer consists essentially of silver chloride which accounts for no more than 10 mol % of the silver halide in the internal latent image silver halide grain. Such photographic materials display an increased sensitivity while maintaining an adequate image density.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: February 27, 1990
    Assignee: Konishiroku Photo Industry Co., Ind.
    Inventors: Hajime Komatsu, Susumu Ohkawachi, Fujitsugu Suzuki