Photographic acetanilide couplers with novel ballast group and
photographic elements containing them
    21.
    发明授权
    Photographic acetanilide couplers with novel ballast group and photographic elements containing them 失效
    具有新型压载组和含有它们的摄影元件的摄影乙酰苯胺成色剂

    公开(公告)号:US4824771A

    公开(公告)日:1989-04-25

    申请号:US114966

    申请日:1987-10-30

    IPC分类号: G03C7/36 G03C7/305

    CPC分类号: G03C7/30535

    摘要: Novel photographic acetanilide dye-forming couplers comprise a group comprising a stabilizer moiety represented by the formula: ##STR1## wherein R.sup.2 is halogen or alkoxy having 1 to 4 carbon atoms; R.sup.3 is hydrogen, halogen, alkyl or alkoxy; R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are individually alkyl; ##STR2## R.sup.8 and R.sup.9 are individually hydrogen or alkyl; R.sup.10 is hydrogen, alkyl or aryl; and X is a linking group. Such couplers provide advantageous stability in dyes formed from the couplers. These couplers are useful in photographic silver halide materials and processes.

    Heterocyclic phosphorus compound stabilizers
    22.
    发明授权
    Heterocyclic phosphorus compound stabilizers 失效
    杂环磷化合物稳定剂

    公开(公告)号:US4749645A

    公开(公告)日:1988-06-07

    申请号:US102697

    申请日:1987-09-30

    摘要: A photographic element comprising a silver halide emulsion layer having associated therewith a compound having the formula ##STR1## wherein Y is --O--, --S--, --NH-- or --NR.sup.1 --;n is 0 or 1;each R.sup.1 independently is the residue of a phosphorus acid;each Z independently represents the atoms necessary to complete a substituted or unsubstituted benzene ring; and,X is a single bond or a linking group having a single atom which separates the two benzene rings.Use of the compound provides increased stability of the dye image obtained during photographic processing.

    摘要翻译: 一种照相元件,其包含卤化银乳剂层,其具有式(I)的化合物,其中Y是-O - , - S - , - NH-或-NR 1 - ; n为0或1; 每个R1独立地是磷酸的残基; 每个Z独立地表示完成取代或未取代的苯环所必需的原子; 和X是单键或具有分离两个苯环的单个原子的连接基团。 化合物的使用提供了在照相处理期间获得的染料图像的增加的稳定性。