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    • 8. 发明授权
    • Silver halide color photographic lightsensitive material
    • 卤化银彩色照相感光材料
    • US06541192B2
    • 2003-04-01
    • US09989416
    • 2001-11-21
    • Yasuhiro KatoHisashi MikoshibaNaoto MatsudaTetsuro Kojima
    • Yasuhiro KatoHisashi MikoshibaNaoto MatsudaTetsuro Kojima
    • G03C108
    • C07D487/04G03C7/383
    • A silver halide color photographic lightsensitive material comprising at least one layer on a support, wherein the at least one layer contains a coupler represented by formula (I) below wherein X represents a hydrogen atom, halogen atom, arylthio group, carbamoyloxy group, heterocyclic carbonyloxy group, etc., each of R1 and R2 represents an electron-attracting group having a Hammett's substituent constant &sgr;p value of not less than 0.20, the sum of the &sgr;p values of R1 and R2 being not less than 0.65, each of R3 and R4 represents a alkyl group, alkenyl group, alkynyl group, cycloalkyl group, cycloalkenyl group, etc., or alternatively, R3 and R4 may bond together to form a ring structure; and each of R11 to R15 independently represents a hydrogen atom or a substituent.
    • 一种卤化银彩色照相感光材料,其在载体上包含至少一层,其中所述至少一层包含由下式(I)表示的成色剂,其中X表示氢原子,卤素原子,芳硫基,氨基甲酰氧基,杂环羰氧基 等等,R1和R2各自表示哈米特取代基常数sigmap值不小于0.20的吸电子基团,R1和R2的sigmap值之和不小于0.65,R3和R4各自表示 烷基,烯基,炔基,环烷基,环烯基等,或者R3和R4可以键合在一起形成环结构; R 11〜R 15各自独立地表示氢原子或取代基。
    • 9. 发明授权
    • Method for forming images
    • 图像形成方法
    • US5278025A
    • 1994-01-11
    • US931508
    • 1992-08-21
    • Hisashi OkamuraKazunobu KatohTetsuro Kojima
    • Hisashi OkamuraKazunobu KatohTetsuro Kojima
    • G03C1/06G03C1/34G03C1/43G03C5/305G03C5/26G03C5/30
    • G03C1/061G03C1/34G03C1/43G03C5/305Y10S430/158
    • A method for forming an image comprising the steps of: (a) imagewise exposing silver halide photographic materials; where said photographic material contains (1) a compound represented by formula (I) ##STR1## wherein R.sub.1 represents an aliphatic group or an aromatic group; R.sub.2 represents a hydrogen atom, an alkyl group, or an aryl group, an alkoxy group, an aryloxy group, an amino group, a carbamoyl group, or an oxycarbonyl group; G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, ##STR2## or an iminomethylene group; and A.sub.1 and A.sub.2 both represent a hydrogen atom, or one of A.sub.1 or A.sub.2 represents a hydrogen atom and the other represents a substituted or unsubstituted alkylsulfonyl group, a substituted or unsubstituted arylsulfonyl group, or a substituted or unsubstituted acyl group, and (2) a redox compound that can release a development inhibitor when oxidized; and (b) subjecting said imagewise exposed silver halide photographic materials to development-processing where a bath used in said development-processing contains a nucleation development accelerator.
    • 一种用于形成图像的方法,包括以下步骤:(a)成像曝光卤化银照相材料; 其中所述照相材料包含(1)由式(I)表示的化合物(*化学结构*)(I)其中R 1表示脂族基团或芳族基团; R2表示氢原子,烷基或芳基,烷氧基,芳氧基,氨基,氨基甲酰基或氧羰基; G1表示羰基,磺酰基,磺氧基,(*化学结构*)或亚氨基亚甲基; 和A1和A2均表示氢原子,或A1或A2中的一个表示氢原子,另一个表示取代或未取代的烷基磺酰基,取代或未取代的芳基磺酰基或取代或未取代的酰基,(2) 氧化还原化合物,当氧化时可释放显影抑制剂; 和(b)对所述成像曝光的卤化银照相材料进行显影处理,其中所述显影处理中使用的浴含有成核显影促进剂。