发明名称 Photographic display elements comprising stable IR dye compositions for invisible marking
摘要 This invention relates to a photographic display element comprising a support, a front side which has at least one photographic imaging layer, and a back side, said front and back sides being on opposite sides of the support, wherein said photographic element further comprises applied on the front or back side a composition comprising coalesced hydrophobic polymer particles having associated therewith an infrared absorbing polymethine dye having covalently bonded thereto a phenylenediamine moiety.
申请公布号 US6689518(B1) 申请公布日期 2004.02.10
申请号 US20020300618 申请日期 2002.11.20
申请人 EASTMAN KODAK COMPANY 发明人 WILLIAMS KEVIN W.;WANG RUIZHENG
分类号 G03C1/76;G03C11/02;(IPC1-7):G03C11/02;G03C11/22;G01D11/00 主分类号 G03C1/76
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