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Invention Grant
US3666469A Photographic processes and products using 4,8-diamino substituted 1,5-naphthoquinone dye developers 失效
使用4,8-二氨基取代的1,5-萘醌染料开发商的摄影方法和产品

  • Patent Title: Photographic processes and products using 4,8-diamino substituted 1,5-naphthoquinone dye developers
  • Patent Title (中): 使用4,8-二氨基取代的1,5-萘醌染料开发商的摄影方法和产品
  • Application No.: US3666469D
    Application Date: 1967-10-27
  • Publication No.: US3666469A
    Publication Date: 1972-05-30
  • Inventor: BLOOM STANLEY M
  • Applicant: POLAROID CORP
  • Assignee: Polaroid Corp
  • Current Assignee: Polaroid Corp
  • Priority: US67854767 1967-10-27
  • Main IPC: G03C8/18
  • IPC: G03C8/18 ;  G03C5/30
Photographic processes and products using 4,8-diamino substituted 1,5-naphthoquinone dye developers
Abstract:
NOVEL NAPHTHOQUINONE DYE DEVELOPERS (NAPHTHOQUINONE DYES WHICH ARE ALSO SILVER HALIDE DEVELOPING AGENTS) AND TO PHOTOGRAPHIC SYSTEMS EMPLOYING THE SAME.
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