Supersensitized photographic emulsion
    34.
    发明授权
    Supersensitized photographic emulsion 失效
    超感光照相乳剂

    公开(公告)号:US4147553A

    公开(公告)日:1979-04-03

    申请号:US875728

    申请日:1978-02-07

    IPC分类号: C09B23/00 G03C1/28 G03C1/08

    CPC分类号: G03C1/28

    摘要: A silver halide photographic emulsion containing, in supersensitizing amounts, the combination of at least one compound represented by the following general formula (I): ##STR1## wherein Z.sub.1 represents the atoms necessary for forming a benzene ring or a naphthalene ring; W.sub.1 represents a sulfur atom or a selenium atom; Y represents an oxygen atom or a sulfur atom; R.sub.1 represents an alkyl group or an aryl group; and R.sub.2 represents a lower alkyl group having 1 to 6 carbon atoms in the alkyl moiety or an aryl group;At least one carbocyanine dye represented by the following general formula (II): ##STR2## wherein Z.sub.2 represents the atoms necessary for forming a thiazole ring, a selenazole ring, an oxazole ring, an imidazole ring or a pyrroline ring; Z.sub.3 represents the atoms necessary for forming an oxazole ring or an imidazole ring; R.sub.4 and R.sub.5, which may be the same or different, each represents an alkyl group; R.sub.6 represents a hydrogen atom or a lower alkyl group having 1 to 6 carbon atoms in the alkyl moiety; X.sub.a.sup..crclbar. represents an acid anion; and p represents 0 or 1 and, when an inner salt is formed, p represents 0; andAt least one dye represented by the following general formula (III): ##STR3## wherein Z.sub.4 and Z.sub.5, which may be the same or different, each represents the atoms necessary for forming a thiazole ring or a selenazole ring; R.sub.7 and R.sub.8, which may be the same or different, each represents an alkyl group; R.sub.9 represents a hydrogen atom, a lower alkyl group having 1 to 6 carbon atoms in the alkyl moiety or an aryl group; X.sub.b.sup..crclbar. represents an acid anion; and q represents 0 or 1 and, when an inner salt is formed, q represents 0.

    摘要翻译: (I)表示的至少一种化合物的组合:(I)其中Z1表示形成苯环或萘环所需的原子的卤化银感光乳剂,其以超敏化剂量含有至少一种化合物的组合。 W1表示硫原子或硒原子; Y表示氧原子或硫原子; R1表示烷基或芳基; 并且R 2表示在烷基部分或芳基中具有1至6个碳原子的低级烷基; (II)表示的至少一种碳青霉烷衍生物:其中Z2表示形成噻唑环所需的原子,硒唑环,恶唑环,咪唑环或吡咯啉环; Z 3表示形成恶唑环或咪唑环所必需的原子; R 4和R 5可以相同或不同,各自表示烷基; R6表示烷基部分中的氢原子或碳原子数1〜6的低级烷基; Xa( - )表示酸性阴离子; p表示0或1,当形成内盐时,p表示0; (III)表示的至少一种染色剂:其中Z4和Z5可以相同或不同,分别表示形成噻唑环或硒唑环所需的原子; R 7和R 8可以相同或不同,各自表示烷基; R9表示氢原子,烷基部分或芳基中具有1〜6个碳原子的低级烷基; Xb( - )表示酸性阴离子; q表示0或1,当形成内盐时,q表示0。

    Photographic silver halide emulsions
    35.
    发明授权
    Photographic silver halide emulsions 失效
    摄影卤化银乳剂

    公开(公告)号:US4039335A

    公开(公告)日:1977-08-02

    申请号:US737130

    申请日:1976-10-29

    IPC分类号: G03C1/28 G03C1/29 G03C1/14

    CPC分类号: G03C1/29

    摘要: A silver halide photographic emulsion spectrally sensitized with a combination of sensitizing dyes consisting essentially of at least one sensitizing dye represented by the following general formula [I] and at least one sensitizing dye represented by the following general formula [II] in supersensitizing amounts: ##STR1## wherein R.sup.1 and R.sup.2 each is an alkyl group, R.sup.3 is an alkyl group, X.sub.1 is an acidic anion, m is 1 or 2, and m is 1 when the dye forms an intramolecular salt (betaine-like structure). ##STR2## WHEREIN Z.sup.1 is a sulfur atom or a selenium atom, Z.sup.2 is an atomic group necessary to form a benzothiazole ring, a benzoselenazole ring, a naphtho[1,2-d]thiazole ring or a naphtho[1,2-d]selenazole ring, R.sup.4 and R.sup.5 is an alkyl group, R.sup.6 is an alkyl group, a phenyl group, an aralkyl group, a furyl group or a thienyl group, X.sub.2 is an acidic anion, n is 1 or 2, and n is 1 when the dye forms an intramolecular salt (betaine-like structure).

    摘要翻译: 用基本上由以下通式[I]表示的至少一种敏化染料和至少一种由以下通式[II]表示的敏化染料在超敏化剂中组合的敏化染料的光致增感的卤化银照相乳剂:一般 其中R1和R2各自为烷基,R3为烷基,X1为酸性阴离子,m为1或2,当染料形成分子内时,m为1 盐(甜菜碱样结构)。 通式[II]其中Z 1为硫原子或硒原子,Z 2为形成苯并噻唑环所需的原子团,苯并硒唑环,萘并[1,2-d]噻唑环或萘并[ 1,2-d]硒唑环,R4和R5是烷基,R6是烷基,苯基,芳烷基,呋喃基或噻吩基,X2是酸性阴离子,n是1或2 ,当染料形成分子内盐(甜菜碱样结构)时,n为1。