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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。
    • 4. 发明授权
    • Color-developing agent, silver halide photographic light-sensitive
material and image-forming method
    • 显色剂,卤化银照相感光材料和成像方法
    • US5756275A
    • 1998-05-26
    • US756674
    • 1996-11-26
    • Hiroo TakizawaTaiji KatsumataToshiyuki MakutaToshiki Taguchi
    • Hiroo TakizawaTaiji KatsumataToshiyuki MakutaToshiki Taguchi
    • G03C7/00G03C1/06G03C1/42G03C1/498G03C7/392G03C7/407G03C7/413G03C8/40
    • G03C1/49827G03C1/061G03C1/42G03C7/39252G03C7/413G03C8/408
    • There is disclosed novel color-developing agents of the formula (I-1), (I-2), (1-3), or (1-4). There is also disclosed silver halide photographic light-sensitive materials and image-forming methods, using the color-developing agent. ##STR1## wherein R.sup.1 represents a halogen atom or an aliphatic group substituted with at least one halogen atom; R.sup.2 represents a substituent; L represents --CONR.sup.4 --, --COO--, --CO--, --SO.sub.2 NR--, --C(.dbd.NR.sup.4)NR.sup.5 --, or --C(.dbd.NR.sup.4)O--; R.sup.3, R.sup.4, and R.sup.5 each independently represent a hydrogen atom, an aliphatic, aryl, or hererocyclic group; in formula (I-1), n is 1 or 2, m is 0 or 1, and the sum of n and m is 1 or 2; in formulae (I-2) to (I-4), n is 1 to 3, m is 0 to 2, and the sum of n and m is 1 to 3. R.sup.1 and R.sup.2, R.sup.1 and R.sup.1, and R.sup.2 and R.sup.2, respectively, do not bond together to form any ring. R.sup.6 represents a hydrogen, a halogen, or an aliphatic, aryl, heterocyclic, aliphatic oxy, aryloxy, carbamoyl, aliphatic oxycarbonyl, aliphatic thio, or arylthio group.
    • 公开了式(I-1),(I-2),(1-3)或(1-4)的新型显色剂。 还公开了使用显色剂的卤化银照相感光材料和成像方法。 式(I-1)式(I-2)式(I-3)其中R 1表示卤素原子或至少被取代的脂族基团 一个卤素原子; R2表示取代基; L表示-CONR 4 - , - CO - , - CO - , - SO 2 NR-,-C(= NR 4)NR 5 - 或-C(= NR 4)O-; R 3,R 4和R 5各自独立地表示氢原子,脂肪族,芳基或者本质基; 在式(I-1)中,n为1或2,m为0或1,n和m的和为1或2; 在式(I-2)至(I-4)中,n为1至3,m为0至2,n和m之和为1至3. R1和R2,R1和R1以及R2和R2 分别不结合在一起形成任何环。 R 6表示氢,卤素或脂族,芳基,杂环,脂族氧基,芳氧基,氨基甲酰基,脂族氧羰基,脂族硫基或芳硫基。
    • 6. 发明授权
    • Silver halide color photographic material
    • 银色彩色摄影材料
    • US5066577A
    • 1991-11-19
    • US513736
    • 1990-04-24
    • Koki NakamuraTakayuki ItoMasaaki TsukaseToshiki Taguchi
    • Koki NakamuraTakayuki ItoMasaaki TsukaseToshiki Taguchi
    • C09B29/15C09B29/28G03C8/10
    • G03C8/10C09B29/103C09B29/28
    • A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains an image forming compound represented by the following general formula (I):(Dye--X).sub.q --Y (I)wherein Dye represents a cyan dye group represented by the general formula (II) described below or a precursor thereof; X represents a chemical bond or a linking group; Y represents a group having a property of releasing Dye in correspondence or counter-correspondence to development of a light-sensitive silver salt having a latent image distributed imagewise and making a difference in diffusibility between the dye thus-released and the compound represented by (Dye--X).sub.q --Y; Dye and X are connected with each other by C or E in the general formula (II); and q represents an integer of 1 or 2, and when q is 2, the two groups (Dye--X) may be the same or different: ##STR1## wherein A represents a halogen atom, --OR.sup.1 or --SR.sup.1 (wherein R.sup.1 represents an alkyl group, an aryl group or a heterocyclic group); B represents an electron withdrawing group having a Hammett's op value of not less than 0.3; C represents a chemical bond, a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, a halogen atom, --OR.sup.4, --CONR.sup.4 R.sup.5, --SO.sub.2 NR.sup.4 R.sup.5, --N(R.sup.3)--COR.sub.4 or --N(R.sup.3)--SO.sub.2 R.sub.4 (wherein R.sup.3, R.sup.4 and R.sup.5 each represents a hydrogen atom or a group selected from those defined for R.sup.1, or R.sup.4 and R.sup.5 may combine with each other to form a 5-membered or 6-membered ring); E represents a chemical bond, a hydrogen atom, an alkyl group, a halogen atom, --OR.sup.4, --CONR.sup.4 R.sup.5, --SO.sub.2 NR.sup.4 R.sup.5, --N(R.sup.5)--COR.sup.4 or --N(R.sup.5)--SO.sub.2 R.sup.4 (wherein R.sup.4 and R.sup.5 have the same meaning as defined above); and G represents a hydroxy group or a salt thereof, or a group selected from those represented by the formula (T), (U) or (V): ##STR2## wherein R.sup.21 and R.sup.22, which may be the same or different, each represents an alkyl group, a cycloalkyl group, an alkenyl group, an aralkyl group, an aryl group, a heterocyclic group, an alkylthio group, an arylthio group, an alkoxy group, an aryloxy group or an amino group, or R.sup.21 and R.sup.22 may combine with each other to form a 5-membered or 6-membered ring.
    • 8. 发明授权
    • Recording medium, ink composition and recording method using the same
    • 记录介质,油墨组成和使用其的记录方法
    • US07923083B2
    • 2011-04-12
    • US11157078
    • 2005-06-21
    • Kaoru TojoToshiki TaguchiYoshiharu YabukiMakoto Suzuki
    • Kaoru TojoToshiki TaguchiYoshiharu YabukiMakoto Suzuki
    • B41M5/40
    • C09D11/40B41M5/5227B41M2205/28C09D11/32C09D11/322
    • A recording medium containing a substantially colorless compound in which at least 10 atoms having conjugate π electrons are present on a per-molecule basis, wherein it is especially preferable that the compound has at least two aromatic ring groups and/or shows no fluorescence. An ink composition used for printing in image form on media, with the composition containing a dye and controlling a hue change caused in the printed images over a period of one hour immediately after the printing to 5 or below in color-difference terms. And a method of recording images on media by printing an ink composition in image form, wherein the ink composition contains a dye and a hue change caused in the printed images over a period of one hour immediately after the printing is controlled to 5 or below in color-difference terms.
    • 含有基本上无色的化合物的记录介质,其中至少10个具有共轭键的原子; 电子在每个分子的基础上存在,其中特别优选该化合物具有至少两个芳环基和/或不显示荧光。 用于在介质上以图像形式印刷的油墨组合物,其组合物含有染料,并且在印刷后立即将印刷图像中的色调变化控制在5或更低的色差条件下。 以及通过以图像形式印刷油墨组合物来在介质上记录图像的方法,其中在打印被控制到5或更低之后,油墨组合物在短时间内将打印图像中的染料和色调变化在1小时内引起 色差项。
    • 10. 发明授权
    • Inkjet black ink
    • 喷墨黑色墨水
    • US07211133B2
    • 2007-05-01
    • US10714945
    • 2003-11-18
    • Toshiki Taguchi
    • Toshiki Taguchi
    • C09D11/02
    • C09D11/32C09D11/40
    • The invention provides an inkjet black ink ensuring excellent image durability capable of satisfactorily maintaining the image quality such as non-loosening of black and gradation even when the image is stored for a long period of time, which is a inkjet black ink having a discoloration rate constant (kvis) of 5.0×10−2 [hour−1] or less, which is measured by using an ozone gas, the ink comprising an aqueous medium having dissolved or dispersed therein at least one dye selected from (1) an azo dye having a specific structure where a heterocyclic group is bonded to both of two N atoms, (2) a phthalocyanine dye having a specific structure, (3) an azo dye having a specific structure where a 5-membered heterocyclic group is bonded to one of two N atoms and a 6-membered 2-amino heterocyclic group is bonded to the other, and (4) a bisazo dye constituted by a specific aromatic or heterocyclic group and an azo group.
    • 本发明提供了一种喷墨黑色墨水,确保了出色的图像耐久性,即使当图像长时间存储时,也能够令人满意地保持图像质量,例如黑色和灰度的不松动,这是具有变色率的喷墨黑色墨水 通过使用臭氧气体测量的5.0×10 -2 /小时-1小于等于或更小的常数(k vis vis),油墨 包括溶解或分散有至少一种选自(1)具有特定结构的偶氮染料的水性介质,其中杂环基与两个N原子结合,(2)具有特定结构的酞菁染料( 3)具有特殊结构的偶氮染料,其中5元杂环基与两个N原子中的一个键合并且6元2-氨基杂环基彼此键合,和(4)双偶氮染料,其由 特定的芳族或杂环基团和偶氮基团。