Complexing agent for thermal color proofing
    41.
    发明授权
    Complexing agent for thermal color proofing 失效
    用于热打样的复合剂

    公开(公告)号:US06194349B1

    公开(公告)日:2001-02-27

    申请号:US09327845

    申请日:1999-06-08

    IPC分类号: B41M5035

    摘要: A magenta dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of magenta dyes and a yellow dye dispersed in a polymeric binder, at least one of the magenta dyes having the formula: at least another of the magenta dyes having the formula: said yellow dye having the formula: and said element contains a complexing agent having the formula:

    摘要翻译: 用于热染料转移的品红染料供体元件包括其上具有染料层的载体,染料层包含分散在聚合物粘合剂中的品红染料和黄色染料的混合物,至少一种具有下式的品红染料:至少另一种 品红色染料具有下式:所述黄色染料具有下式:所述元素含有具有下式的络合剂:

    Dye mixtures for optical recording layers
    47.
    发明授权
    Dye mixtures for optical recording layers 失效
    用于光学记录层的染料混合物

    公开(公告)号:US5500325A

    公开(公告)日:1996-03-19

    申请号:US376622

    申请日:1995-01-23

    摘要: A dye mixture is disclosed. The mixture is useful in recording layers of optical recording elements. The mixture has:a) a real index of refraction of at least 1.8 in the 780 to 790 nm region of the spectra;b) an imaginary index (k) between 0.3 and 0.02 in the 780 to 790 nm region of the spectra;c) a metallized azo dye comprising an azo group linking a substituted 3-hydroxy-pyridine nucleus to a phenyl nucleus wherein the phenyl nucleus has an alkoxy or thioether substituent at its 2-position; andd) at least a second dye.

    摘要翻译: 公开了一种染料混合物。 该混合物可用于记录光学记录元件的层。 该混合物具有:a)光谱的780至790nm区域中的至少1.8的实际折射率; b)光谱的780至790nm区域中的虚数折射率(k)在0.3和0.02之间; c)包含连接取代的3-羟基 - 吡啶核与苯基核的偶氮基团的金属化偶氮染料,其中所述苯基核在其2-位具有烷氧基或硫醚取代基; 和d)至少第二种染料。

    Stabilizers for cyanine IR dyes in donor element for laser-induced
thermal dye transfer
    48.
    发明授权
    Stabilizers for cyanine IR dyes in donor element for laser-induced thermal dye transfer 失效
    用于激光诱导热染料转移的供体元件中花青IR染料的稳定剂

    公开(公告)号:US5219823A

    公开(公告)日:1993-06-15

    申请号:US872872

    申请日:1992-04-23

    申请人: Derek D. Chapman

    发明人: Derek D. Chapman

    摘要: This invention relates to a dye donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer comprising an image dye in a polymeric binder and a cyanine infrared absorbing dye associated therewith, and wherein said layer also has a nitrosonaphthol ferrous complex associated therewith.

    摘要翻译: 本发明涉及用于激光诱导的热染料转移的染料供体元件,其包括其上具有染料层的载体,所述染料层包含聚合物粘合剂中的图像染料和与其相关的花青红外吸收染料,并且其中所述层还具有亚硝基萘酚亚铁络合物 相关联。

    Synthesis of pyrazole dyes
    49.
    发明授权
    Synthesis of pyrazole dyes 失效
    吡唑染料的合成

    公开(公告)号:US5144015A

    公开(公告)日:1992-09-01

    申请号:US738409

    申请日:1991-07-31

    申请人: Derek D. Chapman

    发明人: Derek D. Chapman

    CPC分类号: C09B43/11 C09B29/0037

    摘要: A process for preparing a 1-alkyl-3-secondary or tertiary alkyl-4-cyano-pyrazol-5-yl azo dye or a 1-alkyl-3-aryl-4-cyano-pyrazol-5-yl azo dye comprising:a) reacting a 3-secondary or tertiary alkyl-4-cyano-5-amino pyrazole or a 3-aryl-4-cyano-5-amino pyrazole with a diazotizing reagent to form a pyrazol-5-yl diazonium salt;b) allowing said diazonium salt to react with an aromatic coupling component to form a 3-secondary or tertiary alkyl-4-cyano-pyrazol-5-yl azo dye or a 3-aryl-4-cyano-pyrazol-5-yl azo dye; andc) reacting the product of step b) with an aklylating agent in the presence of a base to form a 1-alkyl-3-secondary or tertiary alkyl-4-cyano-pyrazol-5-yl azo dye or a 1-alkyl-3-aryl-4-cyano-pyrazol-5-yl azo dye.