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1.
公开(公告)号:US5693458A
公开(公告)日:1997-12-02
申请号:US669194
申请日:1996-06-24
CPC分类号: G03C7/36 , G03C7/30535
摘要: The invention provides a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a dye-forming coupler of formula (I): ##STR1## wherein X is H or a coupling-off group, R.sub.1 is H or a substituent group; Y and Z are the same or different and are H or are independently selected from alkyl, aryl and heteroaryl groups; provided that Y and Z taken together with the nitrogen atom may form a 5-10 membered heterocyclic ring.
摘要翻译: 本发明提供一种照相元件,其包含感光卤化银乳剂层,其具有式(I)的染料形成成色剂:其中X为H或偶合离去基团,R 1为H或 取代基; Y和Z相同或不同,为H或独立地选自烷基,芳基和杂芳基; 条件是Y和Z与氮原子一起可以形成5-10元杂环。
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2.
公开(公告)号:US4052379A
公开(公告)日:1977-10-04
申请号:US641787
申请日:1975-12-18
CPC分类号: C09B29/0088
摘要: Azo dyes having the general formula: ##STR1## wherein R.sub.1 represents a substituent selected from the group consisting of hydrogen, methyl, ethyl, methoxy, ethoxy, halogen, nitro, acetyl, carbomethoxy, carboethoxy, cyano and thiocyanate, and A is an aniline, 1,2,3,4-tetrahydroquinoline or benzomorpholine coupling component, may be used as conventional disperse dyes on polyester, polyamide, acrylic, triacetate and other synthetic fabrics, and some are particularly suitable for use in the transfer printing of polyesters and polyamides.
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