Photographic element, dispersion, compound and process
    11.
    发明授权
    Photographic element, dispersion, compound and process 有权
    摄影元素,分散体,复合物和工艺

    公开(公告)号:US06190851B1

    公开(公告)日:2001-02-20

    申请号:US09473790

    申请日:1999-12-28

    IPC分类号: G03C108

    CPC分类号: G03C7/346 G03C7/3885

    摘要: Disclosed is a photographic element complising a light sensitive silver halide emulsion layer having associated therewith a cyan dye forming coupler having Formula (I): wherein R1 and R3 independently represent hydrogen or an alkyl group; R2 represents a carbocyclic or heterocyclic aromatic group; n represents 1, 2, or 3; each X is an independently selected substituent where at least one X located at a position of the phenyl ring meta or para to the sulfonyl group and is either an alkoxy group having a branched carbon or an aiyloxy group; and Z represents hydrogen or a group that can be split off by the reaction of the coupler with an oxidized color-developing compound; provided that the substituents of the compound of formula (I) are selected so that the compound has a melting point of 160° C. or less. The element provides improved phase stability during manufacturing while exhibiting satisfactory hue and dye light stability.

    摘要翻译: 公开了一种照相元件,其与具有式(I)的蓝色染料形成成色剂相关联的感光卤化银乳剂层:其中R1和R3独立地表示氢或烷基; R2表示碳环或杂环芳族基团; n表示1 ,2或3;每个X是独立选择的取代基,其中至少一个X位于苯环的位置上位于磺酰基的间位或对位,并且是具有支链碳或芳氧基的烷氧基; 并且Z表示氢或可通过偶合剂与氧化显色化合物的反应而分离的基团;条件是选择式(I)化合物的取代基使化合物的熔点为160℃ C.或更少。该元件在制造过程中提供改善的相稳定性,同时具有令人满意的色调和染料光稳定性。

    Photographic element having improved magenta dye light stability and
process for its use
    12.
    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:US5925503A

    公开(公告)日:1999-07-20

    申请号:US784851

    申请日:1997-01-15

    IPC分类号: G03C7/38 G03C7/46

    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 I: ##STR1## wherein X is hydrogen or a coupling-off group; andR' is a tertiary alkyl group and R" represents the group ##STR2## in which 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; andW is a substituent selected from the group consisting of --C(O)R.sup.5, --SO.sub.2 R.sup.5, and --P(O)(OR.sup.6).sub.2 in which R.sup.5 is selected from the group consisting of alkyl, aryl, alkoxy, aryloxy, alkylamino, and arylamino groups and R.sup.6 is selected from the group consisting of alkyl and aryl groups.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I化合物形成的染料形成成色剂:其中X为氢或偶合离去基团; 并且R'是叔烷基,R“表示其中R 1,R 2和R 3是独立选择的烷基的基团,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; 并且W是选自-C(O)R 5,-SO 2 R 5和-P(O)(OR 6)2的取代基,其中R 5选自烷基,芳基,烷氧基,芳氧基,烷基氨基 和芳基氨基,R 6选自烷基和芳基。 该元件表现出改善的品红染料光稳定性。

    Amine polymer-modified nanoparticulate carriers
    14.
    发明授权
    Amine polymer-modified nanoparticulate carriers 失效
    胺聚合物改性纳米颗粒载体

    公开(公告)号:US07541017B2

    公开(公告)日:2009-06-02

    申请号:US11036814

    申请日:2005-01-14

    IPC分类号: A61K51/00 B01J13/00 C09D11/00

    摘要: The invention relates to a composition comprising a colloid which is stable under physiological pH and ionic strength, said colloid comprising particles having a silica core and a shell: a) wherein said shell comprises a cross-linked poly(ethylene)imine polymer having amine functionalities; b) wherein the particles have a volume-weighted mean particle size diameter of less than 200 nm, and c) wherein greater than 50% of said polymer in the colloid is bound to the core surfaces, wherein the polymer having amine functionalities has an average molecular weight less than 100,000 g/mol, the composition has a H of between 6 and 8; and d) wherein the colloid contains between 300 and 6000 .μmol amine-monomer/g core particles.

    摘要翻译: 本发明涉及包含在生理pH和离子强度下稳定的胶体的组合物,所述胶体包含具有二氧化硅芯和壳的颗粒:a)其中所述壳包含具有胺官能团的交联聚(亚乙基)亚胺聚合物 ; b)其中所述颗粒具有小于200nm的体积加权平均粒度直径,和c)其中胶体中大于50%的所述聚合物与核表面结合,其中具有胺官能团的聚合物具有平均值 分子量小于100,000g / mol,组合物的H为6至8; 和d)其中所述胶体含有300至6000μmol胺单体/ g核心颗粒。

    Cyan coupler, and stabilizer-containing photographic element and process
    15.
    发明授权
    Cyan coupler, and stabilizer-containing photographic element and process 有权
    青色耦合器和含稳定剂的照相元件和工艺

    公开(公告)号:US6132947A

    公开(公告)日:2000-10-17

    申请号:US266233

    申请日:1999-03-10

    摘要: Disclosed is a photographic element comprising at least one light sensitive silver halide emulsion layer having associated therewith: (A) a phenolic cyan dye-forming "NB coupler";(B) a high boiling solvent having Formula (II):R.sup.3 OO--C--(--G--)--C--OO--R.sup.4 (II) wherein:R.sup.3 and R.sup.4 represent independently selected alkyl or aryl groups; andG represents an alkyl (including cycloalkyl and aralkyl) containing linking group; and(C) a stabilizer having Formula (III): ##STR1## wherein each Y is an independently selected substituent and m is 0 to 4; andeach T is an independently selected substituent and p is 0 to 4.

    摘要翻译: 公开了一种照相元件,其包含至少一种与之相关的感光卤化银乳剂层:(A)形成苯酚青色染料的“NB偶联剂”; (B)具有式(II)的高沸点溶剂:R3OO-C - ( - G - ) - C-OO-R4(Ⅱ)其中:R3和R4代表独立选择的烷基或芳基; 和G表示含有连接基团的烷基(包括环烷基和芳烷基) 和(C)具有式(III)的稳定剂:其中每个Y是独立选择的取代基,m是0-4; 并且每个T是独立选择的取代基,p是0至4。

    Oxidative release of photographically useful groups from hydrazide
compounds
    19.
    发明授权
    Oxidative release of photographically useful groups from hydrazide compounds 失效
    从酰肼化合物中摄取有用的基团的氧化释放

    公开(公告)号:US4684604A

    公开(公告)日:1987-08-04

    申请号:US855264

    申请日:1986-04-24

    申请人: John W. Harder

    发明人: John W. Harder

    摘要: Photographic elements and processes are described which employ a compound containing a hydrazide moiety attached by a linking group, comprising an acidic group or an active methylene group adjacent to an acidic group, to a heteroatom of a moiety containing a photographically useful group comprising a photographic dye or precursor thereof or a photographic reagent; wherein:(a) the hydrazide moiety is capable of being oxidized to an azo group by an oxidized developing agent,(b) the azo group formation causes the release of the photographically useful group, and(c) the released photographically useful group does not contain the linking group or the nitrogen atoms of the hydrazide moiety.

    摘要翻译: 描述了摄影元件和方法,其使用含有通过连接基团连接的酰肼部分的化合物,该酰肼部分包含与酸性基团相邻的酸性基团或活性亚甲基基团的部分的杂原子,该部分含有照相染料 或其前体或照相试剂; 其中:(a)酰肼部分能够被氧化的显影剂氧化成偶氮基团,(b)偶氮基团的形成引起照相用的基团的释放,和(c)释放的照相用的基团不是 含有连接基团或酰肼部分的氮原子。