发明名称 Light sensitive element having an antihalation layer
摘要 Sulfoalkyl substituted indolenine dyes that absorb infrared radiation and photosensitive elements containing said dyes are disclosed. These dyes are useful as antihalation dyes in infrared sensitive photographic elements which show dye low stain. These dyes are represented by the following structure: <IMAGE> +TR <IMAGE> wherein X is F, Cl, or Br; R is a hydrocarbon moiety containing from two to about five carbon atoms; and Y is a cation. In a preferred embodiment X is Cl. In a more preferred embodiment R is -(CH2)3- or -(CH2)4-.
申请公布号 US5164291(A) 申请公布日期 1992.11.17
申请号 US19920823694 申请日期 1992.01.21
申请人 E. I. DU PONT DE NEMOURS AND COMPANY 发明人 WEST, ALDEN D.;FABRICIUS, DIETRICH M.
分类号 C09B23/01;G03C1/12;G03C1/83 主分类号 C09B23/01
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