公开(公告)号：US5384235A

公开(公告)日：1995-01-24

申请号：US907008

申请日：1992-07-01

申请人： Tien-Teh Chen ,  Edward Schofield ,  Hwei-Ling Yau ,  Lal C. Vishwakarma

发明人： Tien-Teh Chen ,  Edward Schofield ,  Hwei-Ling Yau ,  Lal C. Vishwakarma

IPC分类号： C09K3/00 ,  C08F20/36 ,  G03C1/04 ,  G03C1/053 ,  G03C1/815 ,  G03C1/825

CPC分类号： C08F20/36 ,  G03C1/8155 ,  Y10S430/132

摘要： A photographic element with particular polymeric ultraviolet absorbers. The ultraviolet absorbers have repeating units of the formula: ##STR1## wherein: X is O or NH;Y is H or halogen;R.sub.1 is selected from the group consisting of H, halogen, alkoxy , straight chain or branched alkyl group of 1 to 8 carbons;R.sub.2 is C.sub.2 -C.sub.10 alkylene which may be straight chain or branched; andR.sub.3 is H or CH.sub.3.Elements of the invention have good fresh Dmin and image dye stability, and the ultraviolet absorbers therein are highly light stable.

摘要翻译： 具有特殊聚合物紫外线吸收剂的照相元件。 紫外线吸收剂具有下式的重复单元：其中：X是O或NH; Y为H或卤素; R1选自由1至8个碳原子的H，卤素，烷氧基，直链或支链烷基组成的组; R2是可以是直链或支链的C 2 -C 10亚烷基; 并且R 3是H或CH 3。 本发明的元件具有良好的新鲜Dmin和图像染料稳定性，其中的紫外线吸收剂具有高度的光稳定性。

公开(公告)号：US5610000A

公开(公告)日：1997-03-11

申请号：US454719

申请日：1995-05-31

申请人： Lal C. Vishwakarma ,  Hwei-Ling Yau ,  Tienteh Chen

发明人： Lal C. Vishwakarma ,  Hwei-Ling Yau ,  Tienteh Chen

IPC分类号： G03C7/00 ,  C07D249/20 ,  C08F20/36 ,  G03C1/815

CPC分类号： G03C1/8155 ,  C07D249/20 ,  C08F20/36 ,  Y10S430/132

摘要： An ultraviolet absorbing polymer, and photographic elements containing such a polymer, which polymer includes units formed from monomers of the structure of formula (II): A photographic element containing an ultraviolet absorbing polymer which includes units formed from monomers of the structure of formula (I): ##STR1## wherein: p and q are, independently, 0 or 1;L and L.sub.2 are bivalent linking groups;R.sub.9 is a non-hydrogen group which does not contain any unsaturated carbon-carbon bonds;R.sub.10 is H, alkyl group, aryl group, or heterocyclyl group;A is an ethylenically unsaturated polymerizable group; the benzene ring of the benzotriazole and the 2'-hydroxyphenyl ring each may be further substituted or unsubstituted.

摘要翻译： 紫外线吸收聚合物和含有这种聚合物的照相元件，该聚合物包括由式（II）结构的单体形成的单元：含有紫外线吸收聚合物的照相元件，其包含由式（I ）：其中：p和q独立地为0或1; L和L2是二价连接基团; R9是不含任何​​不饱和碳 - 碳键的非氢基团; R 10为H，烷基，芳基或杂环基; A是烯键式不饱和可聚合基团; 苯并三唑和2'-羟基苯基环的苯环各自可以进一步被取代或未取代。

公开(公告)号：US06306570B1

公开(公告)日：2001-10-23

申请号：US09536300

申请日：2000-03-27

申请人： Anthony Adin ,  Jerome J. Looker ,  Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Lal C. Vishwakarma ,  Paul A. Zielinski

发明人： Anthony Adin ,  Jerome J. Looker ,  Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Lal C. Vishwakarma ,  Paul A. Zielinski

IPC分类号： G03C110

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 ≦−0.7 V.

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是含有至少一个促进的N，S，Se或Te原子的卤化银吸附基团 Z为吸光性基团，例如为花青染料，复合花青染料，部花菁染料，复色部花青染料，单极花青染料，苯乙烯基染料，氧杂菁染料，半氧杂菁染料，半花青染料，XY为 其中X是电子给体基团，Y是除氢以外的离去基团，其中：1）XY具有介于0和约1.4V之间的氧化电位; 和2）XY的氧化形式经历键断裂反应以得到基团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。

公开(公告)号：US5585228A

公开(公告)日：1996-12-17

申请号：US473592

申请日：1995-06-07

申请人： Lal C. Vishwakarma ,  Glenn M. Brown

发明人： Lal C. Vishwakarma ,  Glenn M. Brown

IPC分类号： G03C7/392 ,  C07D249/20 ,  C07D401/12 ,  C07D491/113 ,  C07D493/10 ,  C07F7/08 ,  C09K3/00 ,  G03C1/815

CPC分类号： C07D249/20 ,  G03C1/8155 ,  Y10S430/132

摘要： Ultraviolet absorbing compounds of formula (I) and photographic elements containing such compounds: ##STR1## wherein: R.sub.4 is a bivalent linking group; the benzo or phenyl ring shown may be further substituted or unsubstituted;L is a bivalent linking group;p is 0 or 1;A* is an alkyl group having an asymmetric carbon or silicon atom, and;wherein the ultraviolet absorbing compound of formula (I) is a mixture of two enantiomers about the asymmetric carbon or silicon of A*.

摘要翻译： 式（I）的紫外吸收化合物和含有这些化合物的摄影元素：基团; 所示的苯并或苯环可以进一步被取代或未取代; L是二价连接基团; p为0或1; A *是具有不对称碳原子或硅原子的烷基， 其中式（I）的紫外线吸收化合物是围绕A *的不对称碳或硅的两种对映异构体的混合物。

公开(公告)号：US5554759A

公开(公告)日：1996-09-10

申请号：US401739

申请日：1995-03-09

申请人： Lal C. Vishwakarma

发明人： Lal C. Vishwakarma

IPC分类号： C07D249/20 ,  C08K5/3475 ,  G03C1/815

CPC分类号： G03C1/8155 ,  C07D249/20 ,  C08K5/3475

摘要： An ultraviolet absorbing monomer of formula (A): ##STR1## wherein: R.sub.4 and R5 are, independently, a substituted or unsubstituted alkylene with or without intervening oxygen, sulfur or nitrogen atoms; R.sub.6 is H or a substituted or unsubstituted methyl; and the benzo ring, the hydroxy substituted phenyl ring and the phenyl ring of the styryl group may be further substituted or unsubstituted. A method of making such monomers and photographic elements containing UV absorbing polymers formed from such monomers are also provided.

摘要翻译： （A）的紫外线吸收单体：其中：R 4和R 5独立地是具有或不具有中间的氧，硫或氮原子的取代或未取代的亚烷基; R6是H或取代或未取代的甲基; 并且苯并环，苯乙烯基的羟基取代的苯环和苯环可以进一步被取代或未被取代。 还提供了制备这种单体的方法以及含有由这些单体形成的UV吸收聚合物的照相元件。

公开(公告)号：US5455152A

公开(公告)日：1995-10-03

申请号：US313492

申请日：1994-09-27

申请人： Lal C. Vishwakarma

发明人： Lal C. Vishwakarma

IPC分类号： C07D249/20 ,  C08K5/3475 ,  G03C1/815

CPC分类号： G03C1/8155 ,  C07D249/20 ,  C08K5/3475

摘要： An ultraviolet absorbing monomer of formula (A): ##STR1## wherein: R.sub.4 and R.sub.5 are, independently, a substituted or unsubstituted alkylene with or without intervening oxygen, sulfur or nitrogen atoms; R.sub.6 is H or a substituted or unsubstituted methyl; and the benzo ring, the hydroxy substituted phenyl ring and the phenyl ring of the styryl group may be further substituted or unsubstituted. A method of making such monomers and photographic elements containing UV absorbing polymers formed from such monomers are also provided.

摘要翻译： （A）的紫外线吸收单体：其中：R 4和R 5独立地是具有或不具有中间的氧，硫或氮原子的取代或未取代的亚烷基; R6是H或取代或未取代的甲基; 并且苯并环，苯乙烯基的羟基取代的苯环和苯环可以进一步被取代或未被取代。 还提供了制备这种单体的方法以及含有由这些单体形成的UV吸收聚合物的照相元件。

公开(公告)号：US5814438A

公开(公告)日：1998-09-29

申请号：US801599

申请日：1997-02-13

申请人： Lal C. Vishwakarma ,  Glenn M. Brown ,  Barry F. Briffa

发明人： Lal C. Vishwakarma ,  Glenn M. Brown ,  Barry F. Briffa

IPC分类号： G03C1/815

CPC分类号： G03C1/8155

摘要： An ultraviolet absorbing compound of formula (I) below, and photographic elements containing such a compound as an ultraviolet absorber: ##STR1## wherein: R.sub.1 -R.sub.4 independently is a hydrogen atom, a halogen atom such as fluoro, chloro, bromo, iodo or a combination thereof; a carbalkoxy group having at least one asymmetric carbon or asymmetric silicon atom; an alkoxy group having at least one asymmetric carbon or asymmetric silicon atom, with the proviso that R.sub.2 or R.sub.3, or both R.sub.2 and R.sub.3 are other than hydrogen; A* is a group having a carbon atom directly attached to 2'-hydroxyphenyl ring at the 5'-position which contains at least one asymmetric carbon atom or an asymmetric silicon atom, and; wherein the ultraviolet absorbing compound of formula (I) is a mixture of two enantiomers about the asymmetric carbon or silicon atom of A*.

摘要翻译： 下述式（I）的紫外线吸收性化合物和含有紫外线吸收剂的化合物的照相元件：其中：R 1 -R 4独立地为氢原子，卤素原子如氟，氯，溴 ，碘或其组合; 具有至少一个不对称碳或不对称硅原子的碳烷氧基; 具有至少一个不对称碳或不对称硅原子的烷氧基，条件是R 2或R 3，或者R 2和R 3都不是氢; A *是含有至少一个不对称碳原子或不对称硅原子的5'-位的2'-羟基苯基环上直接连接的碳原子的基团， 其中式（I）的紫外线吸收化合物是围绕A *的不对称碳原子或硅原子的两种对映异构体的混合物。

公开(公告)号：US5500332A

公开(公告)日：1996-03-19

申请号：US430939

申请日：1995-04-26

申请人： Lal C. Vishwakarma ,  Glenn Brown

发明人： Lal C. Vishwakarma ,  Glenn Brown

IPC分类号： C07D249/20 ,  C09K3/00 ,  G03C1/815

CPC分类号： G03C1/8155 ,  C07D249/20 ,  Y10S430/134

摘要： An ultraviolet absorbing compound of formula (I) below, and photographic elements containing such a compound as an ultraviolet absorber: ##STR1## wherein: R.sub.4 is H or an alkyl group, and the benzo or phenyl ring shown may be further substituted or unsubstituted;X is --C(O)O-- wherein the carbonyl carbon is bonded to the N of NR.sub.4, or X is --SO.sub.2 --;L is a bivalent linking group;p is 0 or 1;A* is an alkyl group having an asymmetric carbon or silicon atom, and;wherein the ultraviolet absorbing compound of formula (I) is a mixture of two enantiomers about the asymmetric carbon or silicon of A*.

摘要翻译： 下述式（I）的紫外线吸收性化合物和含有紫外线吸收剂的化合物的照相元件：其中：R4为H或烷基，所示的苯并或苯环可以进一步取代 或未取代的; X是-C（O）O-，其中羰基碳键合到NR4的N，或X是-SO 2 - ; L是二价连接基团; p为0或1; A *是具有不对称碳原子或硅原子的烷基， 其中式（I）的紫外线吸收化合物是围绕A *的不对称碳或硅的两种对映异构体的混合物。

公开(公告)号：US5288738A

公开(公告)日：1994-02-22

申请号：US865382

申请日：1992-04-08

申请人： Lal C. Vishwakarma ,  Thomas R. Dobles

发明人： Lal C. Vishwakarma ,  Thomas R. Dobles

IPC分类号： C09B23/00 ,  C09B23/01 ,  C09B23/04 ,  C09B23/08 ,  G03C1/16 ,  G03C1/20 ,  G03C1/26 ,  G03C1/005 ,  G03C1/494

CPC分类号： G03C1/26 ,  C09B23/0066 ,  C09B23/04 ,  C09B23/083 ,  G03C1/16 ,  G03C1/20

摘要： A novel red-sensitizing dye compound has a structure which contains a pentamethine oxonol chromophore linked to one or two cyanine chromophores. A photographic element comprises a support upon which is coated a silver halide emulsion layer comprising cubic silver halide crystals and said red-sensitizing dye compound.

摘要翻译： 一种新型的红增感染料化合物具有含有一个或两个花青发色团连接的五甲氧基黄酮生色团的结构。 照相元件包括载体，涂覆有包含立方体卤化银晶体和所述红色增感染料化合物的卤化银乳剂层。

公开(公告)号：US6054260A

公开(公告)日：2000-04-25

申请号：US118714

申请日：1998-07-17

申请人： Anthony Adin ,  Jerome J. Looker ,  Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Lal C. Vishwakarma ,  Paul A. Zielinski

发明人： Anthony Adin ,  Jerome J. Looker ,  Samir Y. Farid ,  Ian R. Gould ,  Stephen A. Godleski ,  Jerome R. Lenhard ,  Annabel A. Muenter ,  Lal C. Vishwakarma ,  Paul A. Zielinski

IPC分类号： G03C1/09 ,  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: ##STR1## 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; and2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7 V.

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是含有至少一个促进的N，S，Se或Te原子的卤化银吸附基团 Z为吸光性基团，例如为花青染料，复合花青染料，部花菁染料，复色部花青染料，单极花青染料，苯乙烯基染料，氧杂菁染料，半氧杂菁染料，半花青染料，XY为 其中X是电子给体基团，Y是除氢以外的离去基团，其中：1）XY具有介于0和约1.4V之间的氧化电位; 和2）XY的氧化形式经历键断裂反应，得到基团X.和离去片段Y.在本发明的一个优选实施方案中，基团X的氧化电势为-0.7V。