公开(公告)号：EP1111458A1

公开(公告)日：2001-06-27

申请号：EP00204418.8

申请日：2000-12-08

申请人： EASTMAN KODAK COMPANY

发明人： Reed, Kenneth Joseph ,  Muenter, Annabel Adams ,  Lunt, Sharon Ruth ,  Southby, David Thomas

IPC分类号： G03C7/392 ,  G03C1/10 ,  G03C7/305 ,  G03C7/30 ,  G03C1/12

CPC分类号： G03C1/0051 ,  G03C1/04 ,  G03C1/10 ,  G03C1/12 ,  G03C7/3005 ,  G03C7/3022 ,  G03C7/30511 ,  G03C7/30541 ,  G03C7/30558 ,  G03C7/39252 ,  G03C2200/24

摘要： A color photographic element comprises a support and at least one dye image forming layer unit comprising gelatin-peptized radiation-sensitive silver halide grains, a fragmentable electron donating compound; and an electron transfer agent releasing compound.

摘要翻译： 彩色照相元件包括支持体和至少一个染料影像形成层单元，其包含明胶胶体化的辐射敏感卤化银颗粒，可裂解的给电子化合物; 和电子转移剂释放化合物。

公开(公告)号：EP1227365A1

公开(公告)日：2002-07-31

申请号：EP01205088.6

申请日：2001-12-24

申请人： EASTMAN KODAK COMPANY

发明人： Muenter, Annabel Adams ,  Szatynski, Steven Patrick ,  Johnston, Sharon Gould

IPC分类号： G03C1/10 ,  G03C1/34 ,  G03C7/392

CPC分类号： G03C1/10 ,  G03C1/34 ,  G03C7/39212 ,  G03C7/39236 ,  G03C7/3924 ,  G03C2200/24

摘要： This invention comprises a photographic element comprising at least one light-sensitive silver halide emulsion layer containing a fragmentable electron donating compound of the formula: X-Y' or a compound which contains a moiety of the formula -X-Y';
wherein

X is an electron donor moiety, Y' is a leaving proton H or a leaving group Y, with the proviso that if Y' is a proton, a base, β - , is present in the emulsion layer, and wherein:

1) X-Y' has an oxidation potential between 0 and about 1.4 V;
2) the oxidized form of X-Y' undergoes a bond cleavage reaction to give the radical X • and the leaving fragment Y'; and
3) the radical X • has an oxidation potential ≤-0.7V; said photographic element further comprising a reductone of Formula 2:


   wherein R 23 and R 24 are the same or different, and may represent H, alkyl, cycloalkyl, aryl, or an alkyl group with a solubilizing group such as -OH, sulfonamide, sulfamoyl, or carbamoyl, or R 23 and R 24 may be joined to complete a heterocyclic ring, R 21 and R 22 are H, OH, alkyl, aryl, cycloalkyl, or may together represent an alkylidene group, n is 1 or 2 and R 20 is H, alkyl, aryl, or CO 2 R 25 where R 25 is alkyl.

摘要翻译： 本发明包括一种照相元件，其包含至少一种感光卤化银乳剂层，其含有下列通式X-Y'的可裂解给电子化合物或含有式-X-Y'部分的化合物; 其中X是电子供体部分，Y'是离开质子H或离去基团Y，条件是如果Y'是质子，则在乳剂层中存在碱，β - ，其中： 1）XY'具有介于0和约1.4V之间的氧化电位; 2）X-Y'的氧化形式发生键断裂反应，得到基团X'和离去片段Y'; 和3）基团X 1具有≤-0.7V的氧化电位; 所述照相元件还包含式2的还原酮：其中R 23和R 24相同或不同，并且可以表示H，烷基，环烷基，芳基或具有增溶基团的烷基，例如 作为-OH，磺酰胺，氨磺酰基或氨基甲酰基，或R 23和R 24可以连接成完全杂环，R 21和R 22是H，OH，烷基，芳基，环烷基， 或者可以一起代表亚烷基，n是1或2，R 20是H，烷基，芳基或CO 2 R 25，其中R 25是烷基。

公开(公告)号：EP0893731B1

公开(公告)日：2004-01-28

申请号：EP98202347.5

申请日：1998-07-13

申请人： EASTMAN KODAK COMPANY

发明人： Adin, Anthony ,  Looker, Jerome J. ,  Farid, Samir Yacoub ,  Gould, Ian Robert ,  Godleski, Stephen A. ,  Lenhard, Jerome Robert ,  Muenter, Annabel Adams ,  Vishwakarma, Lal Chand ,  Zielinski, Paul Anthony

IPC分类号： G03C1/10 ,  G03C1/12

CPC分类号： G03C1/10 ,  G03C1/12 ,  G03C2200/24

公开(公告)号：EP1227368A3

公开(公告)日：2003-05-07

申请号：EP01205077.9

申请日：2001-12-24

申请人： EASTMAN KODAK COMPANY

发明人： Johnston, Sharon Gould ,  Muenter, Annabel Adams ,  Szatynski, Steven Patrick ,  Lenhard, Jerome Robert

IPC分类号： G03C7/392

CPC分类号： G03C7/39208 ,  G03C1/12 ,  G03C7/3003 ,  G03C7/3041 ,  G03C2003/006 ,  G03C2200/24 ,  Y10S430/156

摘要： This invention comprises multicolor photographic element comprising a support bearing a cyan dye image-forming unit comprising at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of said red-sensitive or green-sensitive layers comprises a fragmentable electron donating compound of the formula: X-Y' or a compound which contains a moiety of the formula -X-Y';    wherein the speed gain deriving from addition of said compound to said layer is less than or equal to 0.05 log sensitivity units and wherein X is an electron donor moiety, Y' is a leaving proton H or a leaving group Y, with the proviso that if Y' is a proton, a base, β-, is present in the emulsion layer, and wherein:1) X-Y' has an oxidation potential between 0 and about 1.4 V;2) the oxidized form of X-Y' undergoes a bond cleavage reaction to give the radical X• and the leaving fragment Y'; and3) the radical X• has an oxidation potential ≤-0.7V.

公开(公告)号：EP1227368A2

公开(公告)日：2002-07-31

申请号：EP01205077.9

申请日：2001-12-24

申请人： EASTMAN KODAK COMPANY

发明人： Johnston, Sharon Gould ,  Muenter, Annabel Adams ,  Szatynski, Steven Patrick ,  Lenhard, Jerome Robert

IPC分类号： G03C7/30

CPC分类号： G03C7/39208 ,  G03C1/12 ,  G03C7/3003 ,  G03C7/3041 ,  G03C2003/006 ,  G03C2200/24 ,  Y10S430/156

摘要： This invention comprises multicolor photographic element comprising a support bearing a cyan dye image-forming unit comprising at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of said red-sensitive or green-sensitive layers comprises a fragmentable electron donating compound of the formula: X-Y' or a compound which contains a moiety of the formula -X-Y';
   wherein the speed gain deriving from addition of said compound to said layer is less than or equal to 0.05 log sensitivity units and wherein

X is an electron donor moiety, Y' is a leaving proton H or a leaving group Y, with the proviso that if Y' is a proton, a base, β - , is present in the emulsion layer, and wherein:

1) X-Y' has an oxidation potential between 0 and about 1.4 V;
2) the oxidized form of X-Y' undergoes a bond cleavage reaction to give the radical X • and the leaving fragment Y'; and
3) the radical X • has an oxidation potential ≤-0.7V.

摘要翻译： 本发明包括多色照相元件，其包含支持青色染料成像单元的载体，该单元包含至少一种与其相关联的至少一种形成青色染料的成色剂的感红卤化银乳剂层，品红染料影像形成单元至少包括 一种感绿卤化银乳剂层，其具有与至少一种品红色染料形成成色剂相关联的黄色染料影像形成单元，所述黄色染料影像形成单元包含至少一种感蓝卤化银乳剂层，所述蓝色感光卤化银乳剂层具有至少一种形成黄色染料的成色剂， 其中所述红敏敏感层或绿敏感层中的至少一个包含下式的可裂解供电子化合物：XY'或含有式-X-Y'部分的化合物; 其中从所述化合物加入所述层得到的速度增益小于或等于0.05log灵敏度单位，并且其中X是电子给体部分，Y'是离开质子H或离去基团Y，条件是如果 Y'是质子，在乳剂层中存在碱，β - ，其中：1）XY'具有介于0和约1.4V之间的氧化电位; 2）X-Y'的氧化形式发生键断裂反应，得到基团X'和离去片段Y'; 和3）基团X 1具有≤-0.7V的氧化电位。

公开(公告)号：EP0893731A1

公开(公告)日：1999-01-27

申请号：EP98202347.5

申请日：1998-07-13

申请人： EASTMAN KODAK COMPANY

发明人： Adin, Anthony ,  Looker, Jerome J. ,  Farid, Samir Yacoub ,  Gould, Ian Robert ,  Godleski, Stephen A. ,  Lenhard, Jerome Robert ,  Muenter, Annabel Adams ,  Vishwakarma, Lal Chand ,  Zielinski, Paul Anthony

IPC分类号： G03C1/10 ,  G03C1/12

CPC分类号： G03C1/10 ,  G03C1/12 ,  G03C2200/24

摘要： A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula:
wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes,, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:

1) XY has an oxidation potential between 0 and about 1.4 V; and
2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X · and the leaving fragment Y.

In a preferred embodiment of the invention, the radical X · has an oxidation potential ≤-0.7V.

摘要翻译： 一种照相元件，包括至少一个卤化银乳剂层，其中卤化银用下式化合物致敏：其中A是含有至少一个N，S，Se或者一个原子的卤化银吸附基团 Te是促进对卤化银的吸附，Z是吸光基，其包括例如花青染料，复合花青染料，部花青染料，复合部花青染料，单极花青染料，苯乙烯基染料，氧杂菁染料，半氧化ol染料和半花青染料。 并且XY是可裂解的电子给体部分，其中X是电子给体基团，Y是不同于氢的离去基团，其中：1）XY具有介于0和约1.4V之间的氧化电位; 和2）XY的氧化形式发生键断裂反应，得到基团X'和离去片段Y.在本发明的优选实施方案中，基团X'具有≤-0.7V的氧化电位。