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    • 3. 发明授权
    • Color photographic sensitive materials
    • 彩色感光材料
    • US4308336A
    • 1981-12-29
    • US183471
    • 1980-09-02
    • Kokichi WakiKeiichi AdachiSeiki Sakanoue
    • Kokichi WakiKeiichi AdachiSeiki Sakanoue
    • G03C1/485G03C7/00G03C7/305G03C8/08G03C5/54
    • G03C1/48538G03C7/305G03C8/08G03C7/30541Y10S430/158
    • In color photographic sensitive materials comprising at least one direct reversal silver halide emulsion layer associated with a diffusible dye-releasing redox compound on a base, the improvement which comprises that at least one of a layer containing said redox compound or said direct reversal silver halide emulsion layer contains about 5 to 200 mg per 100 millimols silver in the emulsion layer of a compound represented by the general formula (I): ##STR1## wherein A.sub.1 and A.sub.2 each represents a hydrogen atom or a hydrolyzable group, P, Q and R which may be the same or different each represents a hydrogen atom, an alkyl group, an aryl group, an alkylthio group, an arylthio group, a hydroxyl group, a halogen atom, an alkoxy group, an aryloxy group, a heterocyclic group or an --S--Z.sup.2 group, Z.sup.1 and Z.sup.2 may be the same or different and each represents an unsaturated heterocyclic residue which is photographically inactive when bonded to the hydroquinone through the sulfur moiety, and --S--Z.sup.1 or --S--Z.sup.2 is an atomic group which when released by oxidation exhibits a development inhibiting function; at least one of P and Q is an alkylthio group or an arylthio group, and at least one of P, Q and R contains a ballast group.
    • 在包含与基底上可扩散的释放染料的氧化还原化合物相关联的至少一个直接反转卤化银乳剂层的彩色照相感光材料中,其改进包括含有所述氧化还原化合物或所述直接反转卤化银乳剂的层中的至少一种 在由通式(I)表示的化合物的乳剂层中每100毫摩尔银含有约5至200mg的银:其中A1和A2各自表示氢原子或可水解基团,P,Q R可以相同或不同,表示氢原子,烷基,芳基,烷硫基,芳硫基,羟基,卤素原子,烷氧基,芳氧基,杂环基 或-S-Z2基团,Z 1和Z 2可以相同或不同,并且各自表示当通过硫部分键合到氢醌时照相无活性的不饱和杂环残基,-S-Z1或 -S-Z2是当通过氧化释放时具有显影抑制功能的原子团; P和Q中的至少一个是烷硫基或芳硫基,P,Q和R中的至少一个含有镇流剂组。
    • 7. 发明授权
    • Furan containing azo dye developers
    • 呋喃含偶氮染料开发商
    • US4014700A
    • 1977-03-29
    • US526188
    • 1974-11-22
    • Shinsaku FujitaYukio MaekawaKazuya SanoSeiki Sakanoue
    • Shinsaku FujitaYukio MaekawaKazuya SanoSeiki Sakanoue
    • C09B29/32C07D307/81G03C8/10G03C8/18G03C7/00G03C1/10G03C1/40G03C1/76
    • C07D307/81G03C8/18
    • A yellow dye developer having improved photographic properties represented by the formula (I) ##STR1## wherein X represents a hydrogen atom, a halogen atom, a nitro group, a hydroxyl group, an alkyl group having 1 to 4 carbon atoms, an acylamino group having 1 to 4 carbon atoms; Z represents an atomic group necessary for completing a furan ring or a benzofuran ring; Y represents a hydroxyl group, an acyloxy group having 1 to 4 carbon atoms, or an alkoxyacyloxy group having 2 to 4 carbon atoms; Ar represents an aromatic ring; R.sub.1 represents a hydrogen atom, a halogen atom, an acyl group having 1 to 4 carbon atoms, or an alkyl group having 1 to 5 carbon atoms; R.sub.2 represents a hydroxyl group, an acyloxy group having 1 to 4 carbon atoms, or an alkoxyacyloxy group having 2 to 4 carbon atoms with the R.sub.2 group being at the ortho-position to the azo group; m and n each is an integer of 1 to 4; and at least one of X, Z, Ar and R.sub.1 being bonded to a polyhydric phenol moiety directly or through an atom or a divalent group; and a photographic material containing the dye developer.
    • 具有由式(I)表示的具有改善的照相性质的黄色染料显影剂其中X表示氢原子,卤素原子,硝基,羟基,具有1至4个碳原子的烷基, 具有1至4个碳原子的酰氨基; Z表示完成呋喃环或苯并呋喃环所需的原子团; Y表示羟基,碳原子数1〜4的酰氧基或碳原子数2〜4的烷氧基酰氧基。 Ar表示芳香环; R1表示氢原子,卤素原子,碳原子数1〜4的酰基或碳原子数1〜5的烷基。 R2表示羟基,碳原子数1〜4的酰氧基或碳原子数2〜4的烷氧基酰氧基,R2基与偶氮基的邻位; m和n各自为1至4的整数; X,Z,Ar和R 1中的至少一个直接或通过原子或二价基团键合到多元酚部分上; 和含有染料显影剂的感光材料。
    • 8. 发明授权
    • Bis-azo pyrazolone type dye developer and light-sensitive material
    • 双偶氮吡唑啉酮型染料显影剂和感光材料
    • US3982946A
    • 1976-09-28
    • US548838
    • 1975-02-10
    • Yukio MaekawaSeiki Sakanoue
    • Yukio MaekawaSeiki Sakanoue
    • C09B35/037C07D231/46C09B31/147G03C8/10G03C8/18G03C1/76G03C1/10G03C1/40G03C7/00
    • G03C8/18C07D231/46C09B31/147
    • A dye developer represented by the following general formula (I): ##EQU1## WHEREIN X represents the atoms necessary for completing a monocyclic or polycyclic aromatic group; Y represents an acyl group having 1 to 4 carbon atoms; Ar and Z each represents a monocyclic polycyclic aromatic group, with Ar being connected either directly or through a divalent atom or group to a polyhydric phenol moiety having a silver halide developing action; R represents an alkyl group or an alkoxy group; n represents an integer of 0 to 4; and Q represents ##EQU2## wherein Z' represents a hydrogen atom or an alkyl group, R.sub.2 and R.sub.3 each represents a hydrogen atom or an aliphatic group, or R.sub.2 and R.sub.3 can combine to form a divalent aliphatic group and a light-sensitive material comprising a support having thereon a light-sensitive silver halide emulsion layer with the dye developer of this invention associated therewith.
    • 由以下通式(I)表示的染料显影剂:OY X-N = N-Z-N =(I)|(R)n WHEREIN X表示完成单环或多环芳族基团所需的原子; Y表示碳原子数1〜4的酰基。 Ar和Z各自表示单环多环芳基,Ar直接或通过二价原子或基团与具有卤化银显影作用的多元酚部分连接; R表示烷基或烷氧基; n表示0〜4的整数, Q表示OOR 2并列平行-C-OZ'OR-CN角度R3,其中Z'表示氢原子或烷基,R2和R3各自表示氢原子或脂族基团,或R2和R3可以结合形成 二价脂族基团和感光材料,其包含其上具有与本发明的染料显影剂相关联的感光卤化银乳剂层的载体。
    • 10. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US4946770A
    • 1990-08-07
    • US84771
    • 1987-08-13
    • Osamu TakahashiTsumoru HiranoSeiki Sakanoue
    • Osamu TakahashiTsumoru HiranoSeiki Sakanoue
    • G03C7/34G03C7/388G03C7/392
    • G03C7/3882G03C7/346
    • A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer containing a dispersion, said dispersion comprising oleophilic fine particles containing (a) at least one oil-soluble cyan coupler represented by formula (I) (described herein) capable of forming substantially non-diffusible cyan dye upon coupling with an oxidation product of an aromatic primary amine developing agent, and (b) a water-insoluble, organic solvent-soluble homopolymer or copolymer comprising not more than about 20% by weight of a repeating unit having an acid radical in the main chain or a side chain thereof, wherein the dispersion does not contain high-boiling point organic solvents. The photographic material provides color images excellent in preservability, particularly resistance to dark discoloration and light discoloration in good balance.
    • 一种卤化银彩色照相材料,其包括其上具有至少一个含有分散体的卤化银乳剂层的载体,所述分散体包含含有(a)由式(I)(本文所述)表示的至少一种油溶性青色成色剂的亲油性细颗粒, 能够在与芳族伯胺显影剂的氧化产物偶联时形成基本上不扩散的青色染料,和(b)水不溶性的有机溶剂可溶的均聚物或共聚物,其包含不超过约20重量% 在主链或侧链具有酸基的重复单元,其中分散体不含有高沸点有机溶剂。 照相材料提供了保存性优异的彩色图像,特别是抵抗黑暗变色和轻微变色的良好平衡。