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    • 7. 发明授权
    • Color photographic light-sensitive material
    • 彩色摄影感光材料
    • US4336322A
    • 1982-06-22
    • US170261
    • 1980-07-18
    • Shinsaku FujitaKoichi KoyamaYoshio InagakiKokichi Waki
    • Shinsaku FujitaKoichi KoyamaYoshio InagakiKokichi Waki
    • C07D263/56G03C7/305G03C1/40G03C1/10G03C5/54
    • C07D263/56G03C7/30547
    • A color photographic light-sensitive material is described containing a dye-releasing redox compound having the following formula: ##STR1## wherein G represents a hydroxy group or a group providing a hydroxy group by hydrolysis;Col represents a dye or a dye precursor;R.sup.1 and R.sup.2, which may be the same or different, each represents an alkyl group or an aromatic group, and R.sup.1 and R.sup.2 together can form a ring;R.sup.3 represents hydrogen, an alkyl group or an aromatic group;R.sup.4 can represent an alkyl group or an aromatic group;R.sup.5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group;n is 0, 1 or 2; andR.sup.4 and an R.sup.5 together can form a heterocyclic ring, R.sup.1 and R.sup.4 together can form a heterocyclic ring, R.sup.1 and an R.sup.5 together can form a ring, R.sup.1, R.sup.2 and R.sup.3 together can form an adamantyl ring, and the total number of carbon atoms of R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sub.n.sup.5 is more than 7.
    • 含有具有下式的染料释放氧化还原化合物的彩色照相感光材料:其中G表示羟基或通过水解提供羟基的基团; Col代表染料或染料前体; R 1和R 2可以相同或不同,各自表示烷基或芳基,R 1和R 2可以一起形成环; R3表示氢,烷基或芳基; R4可以表示烷基或芳基; R5可以表示烷基,烷氧基,烷硫基,芳硫基,卤原子或酰氨基; n为0,1或2; 并且R4和R5一起可以形成杂环,R 1和R 4一起可以形成杂环,R 1和R 5一起可以形成环,R 1,R 2和R 3一起可以形成金刚烷基环,并且碳数 R1,R2,R3,R4和Rn5的原子大于7。
    • 9. 发明授权
    • Light-sensitive material with compounds reactive with dye developers
    • 具有与染料显影剂反应的化合物的感光材料
    • US4766056A
    • 1988-08-23
    • US831675
    • 1986-02-21
    • Osamu TakahashiKoichi KoyamaKeizo Koya
    • Osamu TakahashiKoichi KoyamaKeizo Koya
    • G03C8/18G03C8/40G03C7/26G03C5/54
    • G03C8/18G03C8/4033G03C8/408
    • A heat-developable color light-sensitive material is disclosed, comprising a support having thereon at least one layer containing a light-sensitive silver halide, a binder, a compound containing a color moiety represented by formula (A), and a compound or a precursor thereof which reacts with an oxidized compound formed from the compound of formula (A), thereby converting the oxidized compound into a non-diffusible form, said compound of formula (A) being represented by ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 each represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an acylamino group, an alkylthio group, an arylthio group, or a halogen atom, provided that at least one of R.sub.1, R.sub.2, and R.sub.3 represents a hydrogen atom; X represents a chemical bond or a divalent linking group; Dye represents an image-forming dye moiety, and G represents a hydroxyl group or a group capable of forming a hydroxyl group upon heating and/or by the action of a base.The material provides an image having a low minimum density in highlight areas, and excellent color separation and image preservability.
    • 公开了一种可热显色的感光材料,其包括其上具有至少一层含有感光卤化银,粘合剂,含有由式(A)表示的着色部分的化合物的化合物或其化合物或 其前体与由式(A)化合物形成的氧化化合物反应,从而将氧化的化合物转化为不扩散形式,所述式(A)化合物由下式表示:其中R1,R2 R 3各自表示氢原子,烷基,环烷基,芳基,芳烷基,烷氧基,芳氧基,酰氨基,烷硫基,芳硫基或卤素原子, 条件是R 1,R 2和R 3中的至少一个表示氢原子; X表示化学键或二价连接基团; 染料表示成像染料部分,G表示在加热时和/或通过碱的作用下能够形成羟基的羟基或基团。 该材料提供了在高光区域中具有低最小密度的图像,以及优异的色彩分离和图像保存性。
    • 10. 发明授权
    • o-Aminophenol compounds
    • 邻氨基苯酚化合物
    • US4310693A
    • 1982-01-12
    • US170234
    • 1980-07-18
    • Shinsaku FujitaKoichi KoyamaYoshio Inagaki
    • Shinsaku FujitaKoichi KoyamaYoshio Inagaki
    • C07D263/56G03C7/305C07C149/42C07C87/60C07C91/40C07C103/22C07C103/26C07C103/29C07C103/34C07C103/87
    • C07D263/56G03C7/30547
    • o-Aminophenol derivatives are described represented by the formula (I) ##STR1## wherein R represents --NH.sub.2 or --NH--CO--R.sup.6 ; R.sup.1 and R.sup.2 which may be the same or different, each can represent an alkyl group or an aromatic group, or R.sup.1 and R.sup.2 together can form a ring; or R.sup.1, R.sup.2 and R.sup.3 together can form a ring ; R.sup.3 represents hydrogen, an alkyl group or an aromatic group; R.sup.4 can represent an alkyl group or an aromatic group; R.sup.5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group; and n is 0, 1 or 2; R.sup.6 represents an alkyl group or an aromatic group; and R.sup.4 and R.sup.5 together can form a heterocyclic ring, R.sup.1 and R.sup.4 together can form a heterocyclic ring, or R.sup.1 and R.sup.5 together can form a ring; and R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5.sub.n have a total of 7 or more carbon atoms.
    • 描述了由式(I)表示的邻氨基苯酚衍生物:其中R表示-NH 2或-NH-CO-R 6; 可以相同或不同的R 1和R 2各自可以表示烷基或芳基,或者R 1和R 2可以一起形成环; 或R 1,R 2和R 3一起可以形成环; R3表示氢,烷基或芳基; R4可以表示烷基或芳基; R5可以表示烷基,烷氧基,烷硫基,芳硫基,卤原子或酰氨基; 且n为0,1或2; R6表示烷基或芳基; 并且R4和R5一起可以形成杂环,R 1和R 4一起可以形成杂环,或者R 1和R 5一起可以形成环; 并且R1,R2,R3,R4和R5n具有总共7个或更多个碳原子。