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    • 3. 发明授权
    • Recording liquid
    • 记录液体
    • US4824485A
    • 1989-04-25
    • US041493
    • 1987-04-23
    • Mitsugu TanakaTakeo Sakai
    • Mitsugu TanakaTakeo Sakai
    • C09B45/14C09D11/00C09D11/16C09D11/18G09F1/08G09F5/00C09D11/02
    • C09D11/17C09B45/14C09D11/328
    • A recording liquid containing at least one compound represented by formula (I) ##STR1## wherein Z represents an atomic group forming at least one substituted or unsubstituted 5-membered to 7-membered aromatic or heterocyclic ring; Z' represents at least one substituted or unsubstituted 5-membered to 7-membered aromatic or heterocyclic ring which contains in its ring (i) a nitrogen atom acting as a coordinating atom or (ii) a carbon atom to which a nitrogen atom acting as a coordinating atom is directly bonded at a position adjacent to the position to which the azo group is bonded; and G is a metal-chelating group. The recording liquid exhibits improved light-resistance and water-resistance as well as satisfactory hue and absorbance.
    • 含有至少一种由式(I)表示的化合物(I)的记录液体,其中Z表示形成至少一个取代或未取代的5元至7元芳族或杂环的原子团; Z'表示至少一个取代或未取代的5元至7元芳族或杂环,其环(i)作为配位原子的氮原子或(ii)碳原子,氮原子作为 配位原子直接键合在与偶氮基结合的位置相邻的位置; G是金属螯合基团。 记录液体具有改善的耐光性和耐水性以及令人满意的色调和吸光度。
    • 5. 发明授权
    • Silver halide photographic emulsion containing cyanine and hemicyanine
sensitizing dyes
    • 含有花青和半花青素敏化染料的卤化银照相乳剂
    • US4152163A
    • 1979-05-01
    • US777229
    • 1977-03-14
    • Akira SatoTadashi IkedaTakeo SakaiHaruo TakeiJun Hayashi
    • Akira SatoTadashi IkedaTakeo SakaiHaruo TakeiJun Hayashi
    • G03C1/28G03C1/14G03C1/19
    • G03C1/28
    • A spectrally sensitized silver halide photographic emulsion comprising a silver halide emulsion containing a combination of at least one sensitizing dye represented by the following general formula (I): ##STR1## at least one sensitizing dye represented by the following general formula (II): ##STR2## and at least one organic heterocyclic compound represented by the following general formula (III) or (IV): ##STR3## wherein Z.sup.1 and Z.sup.2, which may be the same or different, each represents a group of atoms necessary for forming a thiazole nucleus or a selenazole nucleus; Z.sup.3 has the same meaning as Z.sup.1 and Z.sup.2 ; Z.sup.4 represents a group of atoms necessary for forming an imidazole nucleus or an oxazole nucleus; Z.sup.5 represents a group of atoms necessary for forming an imidazole nucleus; R.sup.1, R.sup.2, R.sup.4, R.sup.5 and R.sup.7, which may be the same or different, each represents an alkyl group, with at least one of R.sup.1, R.sup.2, R.sup.4 and R.sup.5 being an alkyl group substituted with a carboxy group, a hydroxy group or a sulfo group; R.sup.3 and R.sup.6, which may be the same or different, each represents a lower alkyl group, an aryl group or a hydrogen atom; R.sup.8 represents a hydrogen atom or an alkylene group necessary for forming a ring through a combination with R.sup.7 ; R.sup.9 represents an aryl group (including a monocyclic aryl group and a bicyclic aryl group); X.sub.1.sup.-, X.sub.2.sup.- and X.sub.3.sup.- each represents an acid anion; m, n and p each represents 1 or 2, but when m, n or p is 1, the dye forms an intramolecular salt.The photographic emulsion exhibits a high sensitivity with a reduced fog and stain, and a good stability with the lapse of time during and after production, and further an improved latent image stability with the lapse of time of from image-wise exposure to development.
    • 包含含有由以下通式(I)表示的至少一种敏化染料的组合的卤化银乳剂的光谱增感卤化银照相乳剂:(I)至少一种由以下通式(II)表示的增感染料 )(II)和由以下通式(III)或(IV)表示的至少一种有机杂环化合物:其中Z 1和Z 2可以是 相同或不同,每个表示形成噻唑核或硒唑核所需的一组原子; Z3与Z1和Z2具有相同的含义; Z4表示形成咪唑核或恶唑核所需的一组原子; Z5表示形成咪唑核所需的一组原子; R 1,R 2,R 4,R 5和R 7可以相同或不同,各自表示烷基,R 1,R 2,R 4和R 5中的至少一个为被羧基,羟基或 磺基; R 3和R 6可以相同或不同,各自表示低级烷基,芳基或氢原子; R8表示通过与R 7的组合形成环所需的氢原子或亚烷基; R9表示芳基(包括单环芳基和双环芳基); X 1,X 2和X 3各自表示酸性阴离子; m,n和p各自表示1或2,但当m,n或p为1时,染料形成分子内盐。