Photographic element having improved magenta dye light stability and
process for its use
    2.
    发明授权
    Photographic element having improved magenta dye light stability and process for its use 失效
    具有改善的品红染料光稳定性的照相元件及其使用方法

    公开(公告)号:US5985533A

    公开(公告)日:1999-11-16

    申请号:US24034

    申请日:1998-02-16

    CPC分类号: G03C7/3835

    摘要: The invention provides a photographic element comprising a silver halide emulsion layer having associated therewith a dye-forming coupler represented by formula II: whereinX is hydrogen or a coupling-off group;R.sup.1, R.sup.2, and R.sup.3 are independently selected alkyl groups, provided that any two of R.sup.1, R.sup.2, and R.sup.3 may join to form a ring;R.sup.4 is hydrogen or a substituent, provided that R.sup.3 and R.sup.4 may join to form a ring when R.sup.4 is a substituent;R.sup.a is hydrogen or a substituent;Y is a substituent with at least one Y substituent having a formula selected from the group consisting of --CONR.sup.b R.sup.c, --NHCOR.sup.d, and --SO.sub.2 R.sup.e, wherein R.sup.b, R.sup.c, and R.sup.d are independently selected from the group consisting of H, alkyl, aryl, and heterocyclic groups and R.sup.e is selected from the group consisting of an alkyl group, an aryl group, a heterocyclic group, --NR.sup.g R.sup.h, and --OR.sup.i wherein R.sup.g, R.sup.h, and R.sup.i are selected from the same group as R.sup.a and n is from 1 to 5.The element exhibits improved magenta dye light stability.

    摘要翻译: 本发明提供了一种照相元件,其包含卤化银乳剂层,其具有与式II所代表的染料形成成色剂:其中X为氢或偶合离去基团; R 1,R 2和R 3是独立选择的烷基,条件是R 1,R 2和R 3中的任何两个可以连接形成环; R4是氢或取代基,条件是当R 4为取代基时,R 3和R 4可以连接形成环; Ra是氢或取代基; Y是具有至少一个具有选自-CONRbRc,-NHCORd和-SO2Re的Y取代基的取代基,其中Rb,Rc和Rd独立地选自H,烷基,芳基, 和杂环基,并且Re选自烷基,芳基,杂环基,-NRgRh和-ORi,其中R g,Rh和R i选自与Ra相同的基团,n为1 该元件表现出改善的品红染料光稳定性。

    Photographic element having improved dye stability, compound, and imaging process
    3.
    发明授权
    Photographic element having improved dye stability, compound, and imaging process 失效
    具有改善的染料稳定性,化合物和成像方法的摄影元件

    公开(公告)号:US06291152B1

    公开(公告)日:2001-09-18

    申请号:US09707636

    申请日:2000-11-07

    IPC分类号: G03C108

    摘要: Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a bicyclic azole dye-forming coupler, having appended to a ring carbon at a non-coupling position thereof a substituent group represented by the formula: wherein the arrow represents the point of attachment of the substituent group to a non-coupling position of the coupler; R1, R2, R3 and R4 are independently selected hydrogen or substituent groups, provided that any two of R1, R2, R3 and R4 may join to form a ring; Ra and Rb are independently hydrogen or a substituent; each Rc and Rd is an independently selected hydrogen or an alkyl or aryl group, provided that any two of them may join to form a ring and n is 1 to 10; Re is hydrogen or an alkyl or aryl group; each Y is an independently selected substituent group and m is from 0 to 4; and Z is a substituent selected from the group consisting of —C(O)R5, —S(O)2R5, —SOR5, —P(═O)(R6)2 and —P(═O)(OR6)2 in which R5 is selected from the group consisting of alkyl, aryl, heterocyclic, alkoxy, aryloxy, alkylamino, and arylamino groups and each R6 is independently selected from the group consisting of alkyl and aryl groups; provided that Z can form a ring with any one of Rc and Rd. Such an element provides improved image dye stability.

    摘要翻译: 公开了一种照相元件,其包含感光卤化银乳剂层,该感光卤化银乳剂层具有与其相连的双环唑形染料形成成色剂,其在非偶合位置附加有环碳,由下式表示的取代基:其中箭头表示 取代基与偶联剂的非偶联位置的连接点; R 1,R 2,R 3和R 4独立地选自氢或取代基,条件是R 1,R 2,R 3和R 4中的任何两个可以连接形成 R a和R b独立地是氢或取代基;每个R c和R d是独立选择的氢或烷基或芳基,条件是它们中的任何两个可以连接形成环,n是1至10; Re是氢 或烷基或芳基;每个Y是独立选择的取代基,m是0-4; 并且Z是选自-C(O)R 5,-S(O)2 R 5,-SOR 5,-P(= O)(R 6)2和-P(= O)(OR 6)2的取代基,其中 R5选自烷基,芳基,杂环,烷氧基,芳氧基,烷基氨基和芳基氨基,每个R6独立地选自烷基和芳基; 只要Z可以与Rc和Rd中的任何一个形成环。 这样的元素提供了改进的图像染料稳定性。

    Photographic element having improved magenta dye light stability and
process for its use
    4.
    发明授权
    Photographic element having improved magenta dye light stability and process for its use 失效
    具有改善的品红染料光稳定性的照相元件及其使用方法

    公开(公告)号:US5972587A

    公开(公告)日:1999-10-26

    申请号:US024032

    申请日:1998-02-16

    CPC分类号: G03C7/3835

    摘要: The invention provides a photographic element comprising a silver halide emulsion layer having associated therewith a dye-forming coupler represented by formula II: ##STR1## wherein X is hydrogen or a coupling-off group;R.sup.1, R.sup.2, and R.sup.3 are independently selected alkyl groups, provided that any two of R.sup.1, R.sup.2 and R.sup.3 may join to form a ring;R.sup.4 is hydrogen or a substituent, provided that R.sup.3 and R.sup.4 may join to form a ring when R.sup.4 is a substituent;R.sup.a is hydrogen or a substituent;each Y is an independently selected substituent with at least one Y substituent in the 2-position (relative to oxygen) having the formula --NHSO.sub.2 R.sup.f, wherein R.sup.f is an alkyl or aryl group, and n is from 1 to 5.The element exhibits improved magenta dye light stability.

    摘要翻译: 本发明提供了一种照相元件,其包含卤化银乳剂层,其具有与式II所代表的染料形成成色剂:其中X为氢或偶合离去基团; R 1,R 2和R 3是独立选择的烷基,条件是R 1,R 2和R 3中的任何两个可以连接形成环; R4是氢或取代基,条件是当R 4为取代基时,R 3和R 4可以连接形成环; Ra是氢或取代基; 每个Y是在具有式-NHSO 2 R f的2-位(相对于氧)中具有至少一个Y取代基的独立选择的取代基,其中Rf是烷基或芳基,n是1至5.元素表现出改进 品红染料光稳定。

    Photographic element containing improved pyrazolotriazole coupler
    5.
    发明授权
    Photographic element containing improved pyrazolotriazole coupler 失效
    含有改进的吡唑并三唑成色剂的摄影元件

    公开(公告)号:US07153641B2

    公开(公告)日:2006-12-26

    申请号:US11037410

    申请日:2005-01-18

    CPC分类号: C09B55/009 G03C7/3835

    摘要: A photographic element comprising a light-sensitive silver halide emulsion layer containing a 1H-pyrazolo[1,5-b][1,2,4]triazole coupler represented by structure (I): wherein R1, R2, and R3 are independently selected unsubstituted alkyl groups comprising of 3 or less carbons with the proviso that one or more of the R1, R2, and R3 groups can be joined to form a ring; R is a straight, cyclic or branched aliphatic carbon chain group and contains at least 9 aliphatic carbon atoms; each R′ is an independently selected alkyl or halogen substituent, n is 0 to 3, and R′, when present, does not include an R′ in the ring position between the pyrazolotriazole nucleus and the sulfonamide; and X is hydrogen or halogen.

    摘要翻译: 一种照相元件,其包含含有由结构(I)表示的1H-吡唑并[1,5-b] [1,2,4]三唑偶联剂的感光卤化银乳剂层:其中R 1, R 2和R 3独立地选自包含3个或更少个碳的未取代的烷基,条件是一个或多个R 1

    Photographic material comprising a bicyclic pyrazolotriazole coupler with improved photographic properties
    6.
    发明授权
    Photographic material comprising a bicyclic pyrazolotriazole coupler with improved photographic properties 失效
    包含具有改进的照相特性的双环吡唑并三唑成色剂的照相材料

    公开(公告)号:US06852480B1

    公开(公告)日:2005-02-08

    申请号:US10740344

    申请日:2003-12-18

    CPC分类号: G03C7/3835

    摘要: Disclosed is a photographic element comprising a light sensitive silver halide emulsion layer and, having associated with that layer a 1H-pyrazolo[1,5-b]-1,2,4-triazole dye forming coupler having a fully substituted carbon atom at the 6-position, a chloro group at the 7-position, and, at the 2-position, a phenyl ring substituted in the meta position with a carbonamido substituent containing an α-sulfone moiety. Photographic elements containing these couplers exhibit desirable bleach-fix and activity characteristics.

    摘要翻译: 公开了一种照相元件,其包含光敏卤化银乳剂层,并且与该层相关联的具有完全取代的碳原子的1H-吡唑并[1,5-b] -1,2,4-三唑染料形成成色剂 6-位,7-位上的氯基,在2-位上是间位取代的含有α-砜部分的碳酰氨基取代基的苯环。 包含这些成色剂的摄影元件表现出理想的漂白剂固定和活性特征。

    Synthesis of 3-acylaminopyrazoles
    7.
    发明授权
    Synthesis of 3-acylaminopyrazoles 失效
    3-酰氨基吡唑的合成

    公开(公告)号:US06593477B1

    公开(公告)日:2003-07-15

    申请号:US10282777

    申请日:2002-10-29

    IPC分类号: C07D23140

    CPC分类号: C07D403/04 C07D231/40

    摘要: Disclosed is a process for forming an N-acylamino pyrazole comprising contacting a N-acyl-3-oxo-imino ether compound either with a salt of hydrazine in the presence of a base or with hydrazine.

    摘要翻译: 公开了一种形成N-酰基氨基吡唑的方法,包括使N-酰基-3-氧代 - 亚氨基醚化合物与肼的盐在碱或肼的存在下接触。