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    • 3. 发明授权
    • Color developing agent, silver halide photographic light-sensitive
material and image forming method
    • 彩色显影剂,卤化银照相感光材料和成像方法
    • US5667945A
    • 1997-09-16
    • US604239
    • 1996-02-21
    • Kiyoshi TakeuchiKoki NakamuraToshiki TaguchiKoichi NakamuraToshiyuki Makuta
    • Kiyoshi TakeuchiKoki NakamuraToshiki TaguchiKoichi NakamuraToshiyuki Makuta
    • G03C7/00G03C1/42G03C1/498G03C7/392G03C7/407G03C7/413G03C8/40G03C5/00
    • G03C7/413G01N31/228
    • There is disclosed a light-sensitive material comprising, in a hydrophilic colloid provided on a base, a color-developing agent represented by formula (I): ##STR1## wherein R.sup.1 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group; X.sup.1, X.sup.3, and X.sup.5 each represent a hydrogen atom, a nitro group, a cyano group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a sulfamoyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, a trifluoromethyl group, or a heterocyclic group; and X.sup.2 and X.sup.4 each represent a hydrogen atom, a nitro group, a cyano group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a sulfamoyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, a trifluoromethyl group, a halogen atom, an acyloxy group, an acylthio group, or a heterocyclic group; with the proviso that the sum of the Hammett .sigma.p values of X.sup.1, X.sup.3, and X.sup.5 and the Hammett .sigma.m values of X.sup.2 and X.sup.4 is 1.50 or more but 3.80 or below. There is also disclosed a novel color-developing agent that can be built in. By using the color-developing agent, the light-sensitive material can attain a rapid and simple formation of an image.
    • 公开了一种感光材料,其在设置在基材上的亲水胶体中包含由式(I)表示的显色剂:其中R 1表示烷基,烯基, 炔基,芳基或杂环基; X 1,X 3和X 5各自表示氢原子,硝基,氰基,烷基磺酰基,芳基磺酰基,烷基亚磺酰基,芳基亚磺酰基,氨磺酰基,氨基甲酰基,烷氧基羰基,芳氧基羰基 基,酰基,三氟甲基或杂环基; X 2和X 4各自表示氢原子,硝基,氰基,烷基磺酰基,芳基磺酰基,烷基亚磺酰基,芳基亚磺酰基,氨磺酰基,氨基甲酰基,烷氧基羰基,芳氧基羰基, 酰基,三氟甲基,卤素原子,酰氧基,酰基硫基或杂环基; 条件是X1,X3和X5的哈米特σp值和X2和X4的Hammett sigma m值之和为1.50或更高,但为3.80或更低。 还公开了可以内置的新型显色剂。通过使用显色剂,感光材料可以快速且简单地形成图像。
    • 5. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5683853A
    • 1997-11-04
    • US604243
    • 1996-02-21
    • Toshiyuki MakutaKoki NakamuraKiyoshi Takeuchi
    • Toshiyuki MakutaKoki NakamuraKiyoshi Takeuchi
    • G03C7/30G03C7/392G03C1/06
    • G03C7/39236G03C7/3022
    • A silver halide color photographic material is disclosed, which comprises a support having thereon at least one silver halide emulsion layer, wherein the emulsion layer contains at least one silver halide emulsion layer, wherein said emulsion layer contains at least one dye-forming coupler and at least one reducing agent for coloring represented by the following formula (I), and further the film pH of said silver halide color photographic material is 6.5 or less: R.sup.11 --NH--NH--X--R.sup.12 (I) wherein R.sup.11 represents an aryl group, or a heterocyclic group; R.sup.12 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; X represents --SO.sub.2 --, --CO--, --COCO--, --CO--O--, --CO--N(R.sup.13)--, --COCO--O--, --COCO--N(R.sup.13)-- or --SO.sub.2 --N(R.sup.13)--; where R.sup.13 represents a hydrogen atom or a group described for R.sup.12.
    • 公开了一种卤化银彩色照相材料,其包括其上具有至少一个卤化银乳剂层的载体,其中所述乳剂层含有至少一种卤化银乳剂层,其中所述乳剂层含有至少一种染料形成成色剂, 至少一种由下式(I)表示的着色剂,进一步地,所述卤化银彩色照相材料的膜pH为6.5以下:R11-NH-NH-X-R12(I)其中R11表示芳基 ,或杂环基; R 12表示烷基,烯基,炔基,芳基或杂环基; X表示-SO 2 - , - CO - , - COO - , - CO-O - , - CO-N(R 13) - , - COO-O-,-COCO-N(R 13) - 或-SO 2 -N ) - ; 其中R 13表示氢原子或R 12所述的基团。
    • 10. 发明授权
    • Process for the formation of color image
    • 形成彩色图像的过程
    • US5695913A
    • 1997-12-09
    • US608509
    • 1996-02-28
    • Koichi NakamuraKoki NakamuraKiyoshi Takeuchi
    • Koichi NakamuraKoki NakamuraKiyoshi Takeuchi
    • G03C7/30
    • G03C7/302Y10S430/144
    • A process for the formation of a color image which comprises the steps of: exposing to light a silver halide light-sensitive material comprising a support having thereon at least one light-sensitive emulsion layer, and developing said light-sensitive material to form a color image, wherein said light-sensitive material comprises at least one dye-forming coupler and at least one coloring reducing agent represented by formula (I) and is intensified with a solution containing hydrogen peroxide or a compound releasing hydrogen peroxide to form an intensified image: R.sup.11 --NH--NH--X--R.sup.12 (I) wherein R.sup.11 represents an aryl group or a heterocyclic group; R.sup.12 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group; and X represents --SO.sub.2 --, --CO--, --COCO--, --CO--O--, --CO--N(R.sup.13)--, --COCO--O--, --COCO--N(R.sup.13)--, or --SO.sub.2 --N(R.sup.13)--, in which R.sup.13 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group.
    • 一种用于形成彩色图像的方法,其包括以下步骤:将包含其上具有至少一个感光乳剂层的载体的卤化银感光材料曝光,并显影所述感光材料以形成颜色 图像,其中所述感光材料包含至少一种成色剂和至少一种由式(I)表示的着色还原剂,并且用含有过氧化氢或释放过氧化氢的化合物的溶液增强以形成增强的图像: R11-NH-NH-X-R12(I)其中R11表示芳基或杂环基; R 12表示烷基,烯基,炔基,芳基或杂环基; 并且X表示-SO 2 - , - CO - , - COO - , - CO-O - , - CO-N(R 13) - , - COO-O-,-COCO-N(R 13) - 或-SO 2 -N (R 13) - ,其中R 13表示氢原子,烷基,烯基,炔基,芳基或杂环基。