Heavy Metal, Aluminum, Boron Or Silicon Containing Patents (Class 540/452)
  • Patent number: 4702998
    Abstract: There are disclosed a processing solution having bleaching ability for use in light-sensitive silver halide photographic material, which comprises at least one selected from metal complexes of large cyclic polyamine derivatives and a method for processing of light-sensitive silver halide photographic material, which comprises carrying out development processing of an exposed light-sensitive silver halide photographic material and then processing the developed material with the processing solution.The processing solution of the present invention has potent bleaching power, and can afford excellent photographic image characteristics by processing therewith.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: October 27, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: M. Tanaka, Kazuhiro Kobayashi, Shigeharu Koboshi
  • Patent number: 4645800
    Abstract: A composition containing lactam functional materials, which are useful in the preparation of nylon block polymers, selected from the group consisting of: ##STR1## wherein, Q is ##STR2## with Y=C.sub.3 -C.sub.11 alkylene; b is an integer equal to 2 or more;R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, halogen, aryloxy, or aralkyloxy group;Z is a segment of: (1) a polyether, provided said polyether is not solely polyarylene polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: February 24, 1987
    Assignee: DSM Rim Nylon VOF
    Inventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick