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    • 99. 发明授权
    • Color diffusion transfer photographic element
    • 彩色扩散转印照相材料
    • US4939066A
    • 1990-07-03
    • US115070
    • 1987-10-30
    • Masaharu ToriuchiKeizo Koya
    • Masaharu ToriuchiKeizo Koya
    • C07D261/12C07D413/12G03C7/00G03C7/305G03C8/08G03C8/40
    • C07D413/12C07D261/12G03C7/30594G03C8/08Y10S430/158
    • A color diffusion transfer photographic material comprises a base having thereon at least one silver halide emulsion layer and a dye image-receiving layer, at least one layer thereof containing a dye-releasing redox compound and at least one layer thereof containing a development inhibitor-releasing compound represented by the following general formula (I):A--Time).sub.t DIG (I)wherein A represents ##STR1## linked to --Time).sub.t DIG through at least one of R.sup.1, R.sup.2 and EAG; R.sup.1 and R.sup.2, which may be the same or different, each represents a single bond or a substituent other than a hydrogen atom, provided that R.sup.1 and R.sup.2 may be linked to form a ring; EAG represents an electron-accepting group; Time represents a group capable of releasing DIG after EAG accepts an electron; DIG represents a development inhibitor precursor; and t is an integer of 0 or 1.
    • 彩色扩散转印照相材料包括其上具有至少一个卤化银乳剂层和染料影像接收层的基底,其至少一层含有释放染料的氧化还原化合物和至少一层含有显影抑制剂释放 通过R1,R2和EAG中的至少一个,由以下通式(I)代表的化合物:A-time)tDIG(I)其中A表示与-Time连接的时间)tDIG; R 1和R 2可以相同或不同,各自表示单键或除氢原子以外的取代基,条件是R 1和R 2可以连接形成环; EAG代表电子接受基团; 时间表示EAG接受电子后能释放DIG的组; DIG代表发育抑制剂前体; t为0或1的整数。
    • 100. 发明授权
    • Water-soluble methine compounds useful in photographic silver halide
emulsion containing the same
    • 水溶性次甲基化合物可用于含有相同的照相卤化银乳剂
    • US5424442A
    • 1995-06-13
    • US078110
    • 1993-06-18
    • Keizo KoyaToshinao UkaiHaruo Takei
    • Keizo KoyaToshinao UkaiHaruo Takei
    • G03C1/12C09B23/00C09B23/01C09B69/06G03C1/26G03C1/40C07D277/62
    • C09B69/06C09B23/0075G03C1/26
    • A water-soluble methine compound represented by the following general formula (I): ##STR1## wherein Z.sub.1 and Z.sub.2, which may be the same or different, each represents a non-metallic atomic group required for forming a 5-membered or 6-membered nitrogen-containing heterocyclic ring; R.sub.1 and R.sub.2, which may be the same or different, each represents an alkyl group; Q.sub.1 and Q.sub.2 each represents an atomic group required, in combination, for forming a 4-thiazolidinone ring, a 5-thiazolidinone ring, a 4-imidazolidinone ring, a 4-oxazolidinone ring, a 5-oxazolidinone ring, a 5-imidazolidinone ring or a 4-dithiolanone ring; L.sub.1, L.sub.2, L.sub.3, L.sub.4 and L.sub.5, which may be the same or different, each represents a methine group; R represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; m represents 1 or 2; i and h each represents 0 or 1; l represents 1 or 2; and j and k each represents 0, 1, 2 or 3.A photographic silver halide emulsion containing said methine compound added in the form of an aqueous solution is also disclosed.
    • 由以下通式(I)表示的水溶性次甲基化合物:其中Z1和Z2可以相同或不同,分别表示形成一个或多个所需的非金属原子团 5元或6元含氮杂环; R 1和R 2可以相同或不同,各自表示烷基; Q1和Q2各自表示组合形成4-噻唑烷酮环,5-噻唑烷酮环,4-咪唑啉酮环,4-恶唑烷酮环,5-恶唑烷酮环,5-咪唑啉酮环所需的原子团 或4-二硫戊环酮环; L1,L2,L3,L4和L5可以相同或不同,表示次甲基; R表示氢原子,烷基,芳基或杂环基; m表示1或2; i和h各自表示0或1; l表示1或2; 并且j和k各自表示0,1,2或3.还公开了含有以水溶液形式加入的次甲基化合物的照相卤化银乳剂。