发明授权
US3730725A Additive color screen elements containing an azo chrome-complexed dye 失效
含有AZO铬复合染料的添加色素筛选元素

  • 专利标题: Additive color screen elements containing an azo chrome-complexed dye
  • 专利标题(中): 含有AZO铬复合染料的添加色素筛选元素
  • 申请号: US3730725D
    申请日: 1971-09-30
  • 公开(公告)号: US3730725A
    公开(公告)日: 1973-05-01
  • 发明人: IDELSON E
  • 申请人: POLAROID CORP
  • 专利权人: Polaroid Corp
  • 当前专利权人: Polaroid Corp
  • 优先权: US18540371 1971-09-30
  • 主分类号: G03C8/30
  • IPC分类号: G03C8/30 G03F5/00 G03F7/04
Additive color screen elements containing an azo chrome-complexed dye
摘要:
ADDITIVE COLOR SCREEN ELEMENTS ARE PREPARED USING A MIXED-AXO CHROME-COMPLEXED DYE SYSTEM TO PROVIDE THE RED ELEMENT, I.E., A COMBINATION OF A PHENYLAZO PYRAXOLONE AND A NAPTHYLAZO PYRAZOLONE.
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