Method for formation of an image comprising a heating step
    4.
    发明授权
    Method for formation of an image comprising a heating step 失效
    用于形成包括加热步骤的图像的方法

    公开(公告)号:US4696887A

    公开(公告)日:1987-09-29

    申请号:US829032

    申请日:1986-02-13

    摘要: A novel method for formation of an image comprising a heating step, comprising the heating carried out in the presence of a compound of general formula (I):X--SO.sub.2 (DI) (I)wherein X represents a reducing group capable of reducing a silver salt and capable of being oxidized by heating and in its oxidized state capable of releasing a compound represented by (DI)--SO.sub.2 NH.sub.2 by reaction with a nucleophilic agent; and (DI) represents a development inhibiting group capable of inhibiting the oxidation reduction reaction of the silver salt and a reducing aent.The compound of the formula (I) functions to inhibit development after a certain period of time from the beginning of heat development.The present method provides a stable image with reduced fog and image mottle.

    摘要翻译: 一种用于形成图像的新方法,包括加热步骤,其包括在通式(I)的化合物:X-SO 2(DI)(I)的存在下进行的加热,其中X表示可以还原的还原基团 银盐,能够通过与亲核剂反应而通过加热氧化并能够释放由(DI)-SO 2 NH 2表示的化合物的氧化态; 和(DI)表示能够抑制银盐的氧化还原反应和还原的显影抑制基团。 式(I)化合物起到抑制发育开始一段时间后的发育作用。 本方法提供了一种具有降低雾度和图像斑点的稳定图像。

    Heat developable photographic materials
    7.
    发明授权
    Heat developable photographic materials 失效
    热显影照相材料

    公开(公告)号:US4705737A

    公开(公告)日:1987-11-10

    申请号:US767405

    申请日:1985-08-20

    摘要: A heat developable photographic material comprising a support having thereon at least a photosensitive silver halide, a binder, and at least on of base precursors represented by following formula (I) or (II): ##STR1## wherein R represents an alkyl group, an alkylene group, an aryl group, an arylene group, a monovalent or divalent heterocyclic group, each of which may be unsubstituted or substituted; B represents a mono- or di-acidic, nitrogen-containing, sulfur-free base having a pKa of not lower than about 7 and containing 12 carbon atoms or less; x is an integer of 1 when R represents a monovalent group or an integer of 2 when R represents a divalent group, y is the same as x when B represents the mono-acidic base or an integer of 1 when B represents the di-acidic base; and z is an integer of 2 when R represents a monovalent group and B represents the di-acidic base or otherwise an integer of 1; R' represents an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group or a heterocyclic group, each of which may be substituted or unsubstituted; X represents a substituent; p represents an integer of 0 to 4; and m' represents the valence number of M whereby stability with the passge of time prior to heat development is improved.

    摘要翻译: 一种可显影照相材料,其包含至少一种光敏卤化银,粘合剂和至少一种由下式(I)或(II)表示的基础前体的载体:[R(SO 2 CH 2 COOH)x] z.By( I)其中R表示烷基,亚烷基,芳基,亚芳基,一价或二价杂环基,其各自可以是未取代的或取代的; B表示pKa不低于约7并且含有12个碳原子或更少的单 - 或二 - 酸,含氮,无硫的碱; 当R表示二价基团,当R表示一价基团或整数2时,x为1,当B表示单酸性碱时,y与x相同,当B表示二酸时,x表示1以上的整数 基础; 当R表示一价基团时,z表示2的整数,B表示二酸基,否则为1的整数。 R'表示可以被取代或未取代的烷基,环烷基,烯基,炔基,芳烷基,芳基或杂环基, X表示取代基; p表示0〜4的整数, 并且m'表示M的化合价数,从而提高了在显影之前经过时间的稳定性。

    Heat-developable photosensitive material
    9.
    发明授权
    Heat-developable photosensitive material 失效
    热显影感光材料

    公开(公告)号:US4636462A

    公开(公告)日:1987-01-13

    申请号:US769288

    申请日:1985-08-26

    摘要: A heat-developable photosensitive material which contains a compound of the general formula: ##STR1## wherein F and F' each represents an atomic group necessary for the formation of a 5- or 6-membered rings which may have condensed rings; n represents an integer of 0 or 1; R.sup.1 and R.sup.2 which may be the same or different, each represents a hydrogen atom, a halogen atom, a hydroxyl group, a cyano group, or a substituted or unsubstituted alkyl group, cycloalkyl group, alkenyl group, alkynyl group, aryl group, heterocyclic residual group, aralkyl group, alkoxy group, aryloxy group, acylamino group, acyloxy group, acyl group, carbamoyl group, sulfamoyl group, sulfamoylamino group, ureido group, alkylsulfonyl group, arylsulfonyl group, alkylsulfonylamino group, arylsulfonylamino group, alkoxycarbonyl group or alkoxycarbonylamino group, or --CO.sub.2 M; and R.sup.1 and R.sup.2 may be combine and form a ring, M is an alkali metal or H.Bx in which B represents an organic base; and x represents an integer of 1 when B is a monoacidic base and represents 1/2 when B is a diacidic base.

    摘要翻译: 含有下列通式的化合物的热显影感光材料:其中F和F'各自表示形成5-或6-元环所必需的原子团 其可以具有稠环; n表示0或1的整数; R 1和R 2可以相同或不同,各自表示氢原子,卤素原子,羟基,氰基或取代或未取代的烷基,环烷基,烯基,炔基,芳基,杂环 残基,芳烷基,烷氧基,芳氧基,酰氨基,酰氧基,酰基,氨基甲酰基,氨磺酰基,氨磺酰氨基,脲基,烷基磺酰基,芳基磺酰基,烷基磺酰基氨基,芳基磺酰基氨基,烷氧基羰基或烷氧基羰基氨基 ,或-CO 2 M; 并且R 1和R 2可以结合形成环,M是碱金属或H.Bx,其中B代表有机碱; 当B是一元酸碱时,x表示1的整数,当B是二酸基时,x表示1/2。

    Image-forming process involving heating step
    10.
    发明授权
    Image-forming process involving heating step 失效
    涉及加热步骤的成像工艺

    公开(公告)号:US4845018A

    公开(公告)日:1989-07-04

    申请号:US830031

    申请日:1986-02-18

    摘要: An image-forming process involving a heating step is disclosed, which comprises conducting the heating in the presence of a compound represented by the following general formula (I): ##STR1## wherein: R.sup.1 and R.sup.2, which may be the same or different, each represents a group selected from an aryl group, a substituted aryl group, a heterocyclic group, and a substituted heterocyclic group;R.sup.3 represents a hydrogen atom, an alkyl group, a substituted alkyl group, a cycloalkyl group, a substituted cycloalkyl group, an aralkyl group, a substituted aralkyl group, or a group selected from those which are referred to with respect to R.sup.1 and R.sup.2 ;R.sup.1, R.sup.2, and R.sup.3 may form a ring structure via a hydrocarbon chain, a hetero atom-containing hydrocarbon chain or a hetero atom, or may be directly bound to each other to form a ring structure; andPUG represents a photographically useful group.

    摘要翻译: 公开了涉及加热步骤的图像形成方法,其包括在由以下通式(I)表示的化合物存在下进行加热:其中:R1和R2可以相同 各自表示选自芳基,取代芳基,杂环基和取代的杂环基的基团; R3表示氢原子,烷基,取代的烷基,环烷基,取代的环烷基,芳烷基,取代的芳烷基或选自关于R 1和R 2的那些基团; R1,R2和R3可以通过烃链,含杂原子的烃链或杂原子形成环结构,或者可以彼此直接结合形成环结构; PUG代表摄影有用的组。