Silver halide imaging materials
    6.
    发明授权
    Silver halide imaging materials 失效
    卤化银成像材料

    公开(公告)号:US06399290B1

    公开(公告)日:2002-06-04

    申请号:US09396187

    申请日:1999-09-14

    IPC分类号: G03C1815

    摘要: Compounds suitable for use as acutance, antihalation and filter dyes in silver halide imaging materials having a nucleus represented by a compound comprising a nucleus represented by one of the following general formulae (I) and (II): in which; A and B independently represent those non-metallic atoms necessary to complete a neutral heterocyclic ring in which at least one ring atom is nitrogen, R represents hydrogen or an alkyl group, and Y represents a divalent aliphatic linking group.

    摘要翻译: 适合用作卤化银成像材料中的吸收,防光晕和过滤染料的化合物,其具有由包含由以下通式(I)和(II)之一表示的核的化合物表示的核:其中A和B独立地表示 完成其中至少一个环原子是氮的中性杂环所必需的那些非金属原子,R表示氢或烷基,Y表示二价脂族连接基团。

    Silver halide photographic light-sensitive systems comprising a
hydrazine which contains a group undergoing a cyclization reactionupon
cleavage from the hydrazine
    7.
    发明授权
    Silver halide photographic light-sensitive systems comprising a hydrazine which contains a group undergoing a cyclization reactionupon cleavage from the hydrazine 失效
    卤化银照相感光体系,其包含肼,其含有经过环化反应的基团,从肼切割

    公开(公告)号:US4798780A

    公开(公告)日:1989-01-17

    申请号:US68146

    申请日:1987-06-29

    摘要: A silver halide photographic light sensitive emulsion containing a hydrazine of the general formulaR.sup.3 -NR.sup.4 -NR.sup.5 -G-X (I)in which:R.sup.3 represents an aryl group,one of R.sup.4 and R.sup.5 is a hydrogen and the other is selected from hydrogen, aryl sulphonyl and trifluoroacetyl,G represents carbonyl, sulphonyl, sulphoxy, phosphoryl or an N-substituted or unsubstituted imino group andX is a moiety such that at a pH in the range of 9.5 to 12.5 in the presence of an oxidized hydroquinone a cyclization reaction takes place cleaving the moiety -G-X from the remainder of the molecule and forming a cyclic structure comprising atoms of the moiety -G-X.

    摘要翻译: 含有通式R3-NR4-NR5-GX(Ⅰ)的肼的卤化银照相感光乳剂,其中:R3表示芳基,R4和R5之一是氢,另一个选自氢,芳基 磺酰基和三氟乙酰基,G表示羰基,磺酰基,磺氧基,磷酰基或N-取代或未取代的亚氨基,X是部分,使得在氧化氢醌的存在下,在9.5至12.5的pH范围内, 从分子的其余部分切割部分-GX并形成包含部分-GX的原子的环状结构。

    Photothermographic materials
    8.
    发明授权
    Photothermographic materials 失效
    光热成像材料

    公开(公告)号:US5432287A

    公开(公告)日:1995-07-11

    申请号:US296729

    申请日:1994-08-26

    CPC分类号: C07D285/125 G03C1/49845

    摘要: A compound of the formula: ##STR1## wherein; R is a member selected from a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group.The compounds find utility as antifoggants and image stabilisers in photothermographic materials.

    摘要翻译: 下式的化合物:其中: R是选自氢原子,烷基,芳基或杂环基的成员。 该化合物可用作光热照相材料中的防灰雾剂和图像稳定剂。

    Photothermographic materials
    9.
    发明授权
    Photothermographic materials 失效
    光热成像材料

    公开(公告)号:US5594143A

    公开(公告)日:1997-01-14

    申请号:US464162

    申请日:1995-06-05

    IPC分类号: C07D215/36 G03C1/498

    摘要: A compound having a nucleus of the formula: ##STR1## The compounds are suitable for use as image stabilisers and antifoggants in photothermographic materials and exhibit acceptably low sensitization of human skin.

    摘要翻译: 具有下式核心的化合物:该化合物适合用作光热敏成像材料中的图像稳定剂和防灰雾剂,并表现出可接受的低敏感性皮肤。

    Photothermographic materials
    10.
    发明授权
    Photothermographic materials 失效
    光热成像材料

    公开(公告)号:US5460938A

    公开(公告)日:1995-10-24

    申请号:US247651

    申请日:1994-05-23

    IPC分类号: C07D215/36 G03C1/498

    摘要: A compound having a nucleus of the formula: ##STR1## The compounds are suitable for use as image stabilizers and antifoggants in photothermographic materials and exhibit acceptably low sensitization of human skin.

    摘要翻译: 具有下式核心的化合物:该化合物适合用作光热敏成像材料中的图像稳定剂和防灰雾剂,并表现出可接受的低敏感性皮肤。