Aligned liquid crystal layer containing azolium salts and process for increasing the tilt
    11.
    发明授权
    Aligned liquid crystal layer containing azolium salts and process for increasing the tilt 失效
    含有azolium盐的对准液晶层和增加倾斜的工艺

    公开(公告)号:US07097888B2

    公开(公告)日:2006-08-29

    申请号:US10736392

    申请日:2003-12-15

    IPC分类号: C09K19/58 C09K19/56

    摘要: Disclosed is a multilayer film comprising a substrate bearing an aligned liquid crystal layer wherein the aligned liquid crystal layer contains an azolium salt represented by formula (I): whereinthe subscripts represent the ring positions and each X is independently N or C—R;each Z is independently N, N—R, C—(R)(R), O, S, SO2, SO, C═O, C═S, or C═NR;each R group is independently hydrogen or a substituent; andY is a charge balancing anion, which may be a separate moiety or part of an X, Z, or R;provided two or more X, Z and R groups may form a ring;provided the salt may be part of an oligomer or polymer.Such a film provides a predetermined increase in pre-tilt angle for use in liquid crystal devices.

    摘要翻译: 公开了一种多层膜,其包含具有取向的液晶层的基板,其中所述取向的液晶层包含由式(I)表示的唑鎓盐:其中下标表示环位置,并且每个X独立地为N或C-R; 每个Z独立地为N,N-R,C(R)(R),O,S,SO 2,SO,C-O,C-S或C-NR; 每个R基团独立地为氢或取代基; 并且Y是电荷平衡阴离子,其可以是X,Z或R的单独部分或部分; 提供两个或多个X,Z和R基团可以形成环; 条件是盐可以是低聚物或聚合物的一部分。 这样的薄膜提供用于液晶装置的预倾斜角度的预定增加。

    Silver halide light sensitive emulsion layer having enhanced
photographic sensitivity
    12.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号:US6054260A

    公开(公告)日:2000-04-25

    申请号:US118714

    申请日:1998-07-17

    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。

    Imaging process based on change of optical covering power
    13.
    发明授权
    Imaging process based on change of optical covering power 失效
    基于光学覆盖功率变化的成像过程

    公开(公告)号:US5985526A

    公开(公告)日:1999-11-16

    申请号:US100215

    申请日:1998-06-19

    CPC分类号: B41M5/267 Y10S430/165

    摘要: A method of forming an image comprising imagewise-exposing a thermal recording element to heat, the element comprising a support having thereon a thermally-sensitive layer comprising particles containing a colorant, the particles having a particle size between about 1 and about 25 .mu.m suspended in a matrix, the layer having an optical density no higher than about 0.5, the heating thereby causing the colorant to spread out from the particles into the matrix, thus increasing the optical density in the imagewise-exposed areas.

    摘要翻译: 一种形成图像的方法,该图像包括成像曝光热敏记录元件以加热,所述元件包括其上具有包含着色剂的颗粒的热敏层的载体,所述颗粒具有约1至约25μm的粒度悬浮 在矩阵中,具有不高于约0.5的光密度的层,加热从而使着色剂从颗粒扩散到基质中,从而增加了成像曝光区域中的光密度。

    Silver halide light sensitive emulsion layer having enhanced
photographic sensitivity
    14.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号:US5747235A

    公开(公告)日:1998-05-05

    申请号:US739921

    申请日:1996-10-30

    CPC分类号: G03C1/09 G03C1/10 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 L represents a linking group containing at least one C, N, S or O atom, k is 1 or 2, 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.sup..cndot. and the leaving fragment Y. In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7V.

    摘要翻译: 一种照相元件,包括至少一个卤化银乳剂层,其中卤化银用下列化学式的化合物敏化:含有至少一个促进对卤化银吸附的N,S,Se或Te原子,L和 表示含有至少一个C,N,S或O原子的连接基团,k为1或2,XY为可裂解的电子给体部分,其中X为电子给体基团,Y为氢以外的离去基团, 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.在本发明的一个优选实施方案中,基团X的氧化势为-0.7V。

    Photopolymerization co-initiator compositions comprising
amine-substituted ketocoumarins and certain acetic acid derivative
activators
    16.
    发明授权
    Photopolymerization co-initiator compositions comprising amine-substituted ketocoumarins and certain acetic acid derivative activators 失效
    包含胺取代的酮香豆素和某些乙酸衍生物活化剂的光聚合共引发剂组合物

    公开(公告)号:US4278751A

    公开(公告)日:1981-07-14

    申请号:US95171

    申请日:1979-11-16

    IPC分类号: C08F2/50 G03F7/031 G03C1/68

    摘要: A co-initiator for use in an improved photopolymerization composition, element and method is disclosed. The photopolymerizaton composition comprises an addition-polymerizable compound containing ethylenic unsaturation and the co-initiator which includes a photopolymerization activator and an amine-substituted ketocoumarin sensitizer having an absorption maximum between about 350 and about 550 nm; said activator having the structure ##STR1## wherein Q.sup.1 and Q.sup.2 are each independently hydrogen; alkyl, thioalkyl or alkoxy containing from 1 to about 5 carbon atoms; aryl or aryloxy or benzoyloxy containing from about 6 to 10 carbon atoms; hydroxy; or halogen; or together Q.sup.1 or Q.sup.2 are the necessary atoms to complete a fused heterocyclic or aromatic ring containing from about 4 to 6 ring atoms; and Q.sup.3 is hydrogen or alkyl containing from 1 to about 5 carbon atoms.

    摘要翻译: 公开了用于改进的光聚合组合物,元素和方法的共引发剂。 光聚合组合物包含含有烯属不饱和度的加成聚合化合物和包含光聚合活化剂的共引发剂和吸收最大值在约350至约550nm之间的胺取代的酮香豆素敏化剂; 所述活化剂具有以下结构:其中Q1和Q2各自独立地为氢; 烷基,硫代烷基或含有1至约5个碳原子的烷氧基; 含有约6至10个碳原子的芳基或芳氧基或苯甲酰氧基; 羟基; 或卤素; 或者Q1或Q2一起是完成含有约4至6个环原子的稠合杂环或芳环的必要原子; 并且Q3是氢或含有1至约5个碳原子的烷基。

    Method for reducing the dye stain in photographic elements
    17.
    发明授权
    Method for reducing the dye stain in photographic elements 失效
    减少摄影元素染色污染的方法

    公开(公告)号:US06436624B2

    公开(公告)日:2002-08-20

    申请号:US09729330

    申请日:2000-12-04

    IPC分类号: G03C110

    CPC分类号: G03C1/40 G03C1/12 G03C7/02

    摘要: A method for reducing dye stain of an exposed photographic element, said element comprising a support having thereon at least one image-forming layer containing a photobleachable dye, the method comprising processing the element, and exposing the processed element, in presence of a N-oxyazinium, to radiation that can be absorbed either by the photobleachable dye or by the N-oxyazinium.

    摘要翻译: 一种用于减少曝光的照相元件染色污染的方法,所述元件包括其上具有至少一个包含可光漂白染料的图像形成层的支撑体,该方法包括处理该元件,并在N- 可以通过光漂白染料或N-氧嗪鎓吸收的辐射。

    Photopolymerizable compositions featuring novel co-initiators
    19.
    发明授权
    Photopolymerizable compositions featuring novel co-initiators 失效
    具有新型共引发剂的可光聚合组合物

    公开(公告)号:US4366228A

    公开(公告)日:1982-12-28

    申请号:US262675

    申请日:1981-05-11

    IPC分类号: C08F2/50 G03F7/031 G03C1/68

    摘要: A photopolymerizable composition, element and method of photopolymerizing the composition or element are disclosed wherein the composition comprises an addition polymerizable compound containing ethylenic unsaturation and a co-initiator including a photopolymerization activator and photosensitizer.In one aspect of the invention, the photosensitizer is selected to be a coumarin having an absorption maximum between about 250 and about 550 nm, and a ##STR1## substituent in the 3-position wherein R.sup.1 is alkyl or alkenyl having 1-12 carbon atoms, or a carboxylic or heterocyclic group having 5-20 nuclear carbon and hetero atoms, the coumarin and the activator being present in an amount sufficient to provide, when the compound is coated, dried and exposed to a medium-pressure mercury light source, a speed which is at least about one-fifth that of the same composition coated, dried and exposed identically except with a co-initiator consisting of Michler's ketone and benzophenone.In another aspect of the invention, the activator is selected to have the structure: ##STR2## wherein: J is --O--, --S-- or a carbon-to-carbon bond;J.sup.1, J.sup.2, and J.sup.3 are each independently hydrogen; alkyl, alkoxy, or alkylthio having from 1 to 5 carbon atoms; aryloxy having from 6 to 10 carbon atoms; halogen; or any two of J.sup.1, J.sup.2, and J.sup.3 taken together comprise the atoms necessary to complete a 5- or 6-membered fused heterocyclic or aromatic ring; andZ is the number of atoms necessary to complete a heterocyclic or aromatic ring of from 4 to 6 ring atoms. This application is a division of Ser. No. 184,606 filed 9/5/80, now U.S. Pat. No. 4,289,844, which is a continuation-in-part of Ser. No. 49,661, filed 6/18/79, now abandoned.

    摘要翻译: 公开了可光聚合的组合物,组合物或元素的光聚合组分,元素和方法,其中组合物包含含有烯属不饱和的加成聚合化合物和包含光聚合活化剂和光敏剂的共引发剂。 在本发明的一个方面,光敏剂选择为吸收最大值在约250至约550nm之间的香豆素,以及3-位上的取代基,其中R1是具有1-12个碳原子的烷基或烯基 或具有5-20个核碳原子和杂原子的羧基或杂环基团时,香豆素和活化剂的存在量足以提供当化合物被涂覆干燥并暴露于中压水银光源时, 除了使用由米ler酮和二苯甲酮组成的共引发剂之外,相同组合物的涂覆,干燥和曝光相同的速度至少约为五分之一。 在本发明的另一方面,活化剂被选择为具有以下结构:其中:J为-O-,-S-或碳 - 碳键; J1,J2和J3各自独立地为氢; 具有1至5个碳原子的烷基,烷氧基或烷硫基; 具有6至10个碳原子的芳氧基; 卤素; 或J1,J2和J3中的任何两个一起包含完成5或6元稠合杂环或芳环所必需的原子; Z是完成4至6个环原子的杂环或芳环所必需的原子数。 这个应用程序是Ser的一个部门。 现在的美国专利申请第184,606号。 第4,289,844号是Ser的继续部分。 第49,661号,于6/18/79提交,现已放弃。

    Photoreactive compositions comprising a light sensitive compound and
another compound with reactive site
    20.
    发明授权
    Photoreactive compositions comprising a light sensitive compound and another compound with reactive site 失效
    包含光敏化合物和具有反应性位点的另一种化合物的光反应性组合物

    公开(公告)号:US4302527A

    公开(公告)日:1981-11-24

    申请号:US180211

    申请日:1980-08-21

    摘要: There are disclosed light-sensitive compounds and a composition comprising (a) such compounds and (b) a compound having at least one reactive site capable of stepwise photo-reaction with the light-sensitive compounds. The light-sensitive compounds have the structural formula, ##STR1## wherein Z.sup.1 and Z.sup.2 are each independently the number of non-metallic atoms necessary to complete 1, 2, 3, or 4 unsaturated carbocyclic or heterocyclic rings of from 6 to 18 nuclear atoms;Z.sup.3 is either a carbon-to-carbon bond or vinylene;and X is a linking group.The composition can be applied to a variety of supports and photoreacted by exposure to activating radiation.

    摘要翻译: 公开了光敏化合物和包含(a)这样的化合物的组合物和(b)具有至少一个能够与光敏化合物进行逐步光反应的反应位点的化合物。 光敏化合物具有结构式,其中Z1和Z2各自独立地是完成1,2,3或4个6至18个核原子的不饱和碳环或杂环所必需的非金属原子的数目 ; Z3是碳 - 碳键或亚乙烯基; X是连接基团。 组合物可以应用于多种载体并通过暴露于活化辐射而被光反应。