Process for the chemical sensitization of silver halide photographic
emulsions
    1.
    发明授权
    Process for the chemical sensitization of silver halide photographic emulsions 失效
    银盐摄影乳液的化学敏化过程

    公开(公告)号:US5169751A

    公开(公告)日:1992-12-08

    申请号:US641144

    申请日:1991-01-15

    IPC分类号: G03C1/09 G03C1/10

    摘要: The invention relates to a novel process for the chemical sensitization of silver halide photographic emulsions.The process according to the invention comprises adding as additional sensitizing agents a 40-260 .mu. moles/mole of a cyclic polyether containing 1 nitrogen and 5 oxygen atoms, or 2 nitrogen and 4 oxygen atoms, or 3 nitrogen and 3 oxygen atoms, or 4 nitrogen and 2 oxygen atoms as well as 12 carbon atoms and/or their complexes formed with gold and/or palladium and optionally 40-260 .mu. moles/mole of silver halide) of gold (I) or gold (III) sulfide to the sulfur-sensitized emulsion, and employing the cyclic polyether in relation to the noble metal salt in a molar ratio of 0.5:1-5:1 for the complex formation.

    摘要翻译: 本发明涉及一种用于卤化银照相乳剂的化学增感的新方法。 根据本发明的方法包括加入40-260微摩尔/摩尔含有1个氮原子和5个氧原子,2个氮原子和4个氧原子或3个氮原子和3个氧原子的环状聚醚的额外的敏化剂,或4个 氮和2个氧原子以及12个碳原子和/或其与金和/或钯形成的络合物和/或任选的40-260μmol/ mol卤化银)金(I)或金(III) 对于复合物形成,使用与贵金属盐相对于摩尔比为0.5:1-5:1的环状聚醚。