会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Copolymeric mordants
    • 共聚媒染剂
    • US4424326A
    • 1984-01-03
    • US361422
    • 1982-03-24
    • Edwin H. LandIrena Y. Bronstein-BonteLloyd D. Taylor
    • Edwin H. LandIrena Y. Bronstein-BonteLloyd D. Taylor
    • C08F226/06G03C8/56G03C1/40
    • C08F226/06G03C8/56
    • Copolymeric mordant materials containing recurring units according to the following formula are disclosed: ##STR1## In such copolymers, each of R.sup.1, R.sup.2 and R.sup.3 can independently be alkyl; substituted alkyl; cycloalkyl; aryl; aralkyl; alkaryl; or at least two of R.sup.1, R.sup.2 and R.sup.3, together with the quaternary nitrogen atom to which they are bonded, can complete a saturated or unsaturated, substituted or unsubstituted nitrogen-containing heterocyclic ring; and X is an anion. The molar ratio of a:b can range from about 0.1:1 to about 10:1, e.g., about 0.3:1 to about 3:1. The copolymeric mordant materials can be utilized as image-receiving layers and in photographic products and processes of the diffusion transfer type. The mordants are especially adapted to the production of dye images free of objectionable haze, yellowing or related image defects.
    • 公开了含有根据下式的重复单元的共聚媒染材料:在这种共聚物中,R 1,R 2和R 3中的每一个可以独立地为烷基; 取代的烷基; 环烷基 芳基; 芳烷基 烷芳基 或R 1,R 2和R 3中的至少两个与它们所键合的季氮原子一起可以完成饱和或不饱和的,取代或未取代的含氮杂环; X为阴离子。 a:b的摩尔比可以为约0.1:1至约10:1,例如约0.3:1至约3:1。 共聚媒染材料可以用作图像接收层,以及在扩散转移型的照相产品和方法中。 媒染剂特别适用于不产生令人反感的浑浊,变黄或相关图像缺陷的染料图像。
    • 4. 发明授权
    • Optical filter agents and photographic products and processes containing
same
    • 光学过滤剂和含有它们的摄影产品和方法
    • US4621156A
    • 1986-11-04
    • US309914
    • 1981-10-08
    • Derek H. R. BartonIrena Y. Bronstein-BonteLloyd D. Taylor
    • Derek H. R. BartonIrena Y. Bronstein-BonteLloyd D. Taylor
    • G03C8/48C07C109/12
    • G03C8/48
    • Optical filter agents and photographic products and processes using same are disclosed. The optical filter agents are pH-sensitive hydrazone compounds conforming to the following structural formula: ##STR1## where R is any group which can provide a double bond for conjugation with the ##STR2## portion of the compound to provide light-absorbing capability or color for the agent at a pH above its pKa, X is a substituent of R providing at least one electron-withdrawing group and each R' can be defined as any substituent that does not impair the light-absorbing capacity of the compound at a pH above the pKa thereof. The pH-sensitive optical filter agents have a highly colored light-absorbing form at a pH above the pKa and are substantially non-absorbing at a pH below the pKa. The pH-sensitive optical filter agents are useful in photographic film units and processes for the protection of photoexposed photosensitive elements against the occurrence of fogging during in-light development.
    • 公开了使用其的光学过滤剂和照相产品和方法。 光学过滤剂是符合以下结构式的pH敏感腙化合物:其中R是可以提供双键与化合物的部分缀合以提供光吸收能力或颜色的任何基团 对于高于其pKa的pH的试剂,X是提供至少一个吸电子基团的R的取代基,并且每个R'可以被定义为在上述pH下不影响化合物的光吸收能力的任何取代基 其pKa。 pH敏感的光学过滤剂在高于pKa的pH下具有高度着色的光吸收形式,并且在低于pKa的pH下基本上不吸收。 pH敏感的光学过滤剂可用于照相胶片单元和用于保护光敏元件免于在光照显影过程中发生起雾的过程。
    • 5. 发明授权
    • Polymeric pH-sensitive optical filter agents having hydrazone moieties
attached thereto
    • 具有连接有腙部分的聚合物pH敏感光学滤光剂
    • US4468494A
    • 1984-08-28
    • US250401
    • 1981-04-02
    • Derek H. R. BartonIrena Y. Bronstein-BonteLloyd D. Taylor
    • Derek H. R. BartonIrena Y. Bronstein-BonteLloyd D. Taylor
    • G03C8/48C08F8/34C08F8/30
    • G03C8/48
    • Polymeric optical filter agents and photographic products and processes using same are disclosed. The polymeric optical filter agents are pH-sensitive optical filter agents comprising polymeric backbone units having the following hydrazone moiety: ##STR1## where R is a group which can provide a double bond for conjugation with the ##STR2## portion of the moiety to provide light-absorbing capability for the agent at a pH above its pKa, and X represents a substituent of R providing at least one electron-withdrawing group. The polymeric pH-sensitive optical filter agents have a highly colored light-absorbing form at a pH above the pKa and are substantially non-absorbing at a pH below the pKa. The polymeric optical filter agents are useful in photographic film units and processes for the protection of photoexposed photosenstive elements against the occurence of fogging during in-light development.
    • 公开了聚合物光学滤光剂和使用它们的照相产品和方法。 聚合物光学过滤剂是pH敏感的光学过滤剂,其包含具有以下腙部分的聚合物主链单元:其中R是能够提供双键以与该部分的“IMAGE”部分缀合以提供光的基团 - 在高于其pKa的pH下的试剂的吸收能力,X表示提供至少一个吸电子基团的R的取代基。 聚合物pH敏感光学过滤剂在高于pKa的pH下具有高度着色的光吸收形式,并且在低于pKa的pH下基本上不吸收。 聚合物光学滤光剂可用于照相胶片单元和用于保护光敏光敏元件免于在光照显影过程中发生雾化的过程。
    • 6. 发明授权
    • Optical filter agents and photographic products and processes containing
same
    • 光学过滤剂和含有它们的摄影产品和方法
    • US4298676A
    • 1981-11-03
    • US89559
    • 1979-10-29
    • Derek H. R. BartonIrena Y. Bronstein-BonteLloyd D. Taylor
    • Derek H. R. BartonIrena Y. Bronstein-BonteLloyd D. Taylor
    • G03C8/48G03C1/40G03C1/10G03C1/84G03C5/54
    • G03C8/48
    • Optical filter agents and photographic products and processes using same are disclosed. The optical filter agents are pH-sensitive hydrazone compounds conforming to the following structural formula: ##STR1## where R is any group which can provide a double bond for conjugation with the ##STR2## portion of the compound to provide light-absorbing capability or color for the agent at a pH above its pKa, X is a substituent of R providing at least one electron-withdrawing group and each R' can be defined as any substituent that does not impair the light-absorbing capacity of the compound at a pH above the pKa thereof. The pH-sensitive optical filter agents have a highly colored light-absorbing form at a pH above the pKa and are substantially non-absorbing at a pH below the pKa. The pH-sensitive optical filter agents are useful in photographic film units and processes for the protection of photoexposed photosensitive elements against the occurence of fogging during in-light development.
    • 公开了使用其的光学过滤剂和照相产品和方法。 光学过滤剂是符合以下结构式的pH敏感腙化合物:其中R是可以提供双键与化合物的部分缀合以提供光吸收能力或颜色的任何基团 对于高于其pKa的pH的试剂,X是提供至少一个吸电子基团的R的取代基,并且每个R'可以被定义为在上述pH以上不会损害化合物的光吸收能力的任何取代基 其pKa。 pH敏感的光学过滤剂在高于pKa的pH下具有高度着色的光吸收形式,并且在低于pKa的pH下基本上不吸收。 pH敏感的光学滤光剂可用于照相胶片单元和用于保护光敏元件的过程,以防止在光照显影过程中发生起雾。
    • 7. 发明授权
    • Polymeric optical filter agents and photographic products and processes
containing same
    • 聚合物光学滤光剂和含有它们的摄影产品和方法
    • US4269925A
    • 1981-05-26
    • US089558
    • 1979-10-29
    • Derek H. R. BartonIrena Y. Bronstein-BonteLloyd D. Taylor
    • Derek H. R. BartonIrena Y. Bronstein-BonteLloyd D. Taylor
    • G03C8/48G03C1/40G03C1/10G03C1/84G03C5/54
    • G03C8/48
    • Polymeric optical filter agents and photographic products and processes using same are disclosed. The polymeric optical filter agents are pH-sensitive optical filter agents comprising polymeric backbone units having the following hydrazone moiety: ##STR1## where R is a group which can provide a double bond for conjugation with the ##STR2## portion of the moiety to provide light-absorbing capability for the agent at a pH above its pKa, and X represents a substituent of R providing at least one electron-withdrawing group. The polymeric pH-sensitive optical filter agents have a highly colored light-absorbing form at a pH above the pKa and are substantially non-absorbing at a pH below the pKa. The polymeric optical filter agents are useful in photographic film units and processes for the protection of photoexposed photosensitive elements against the occurence of fogging during in-light development.
    • 公开了聚合物光学滤光剂和使用它们的照相产品和方法。 聚合物光学过滤剂是pH敏感的光学过滤剂,其包含具有以下腙部分的聚合物主链单元:其中R是能够提供双键以与该部分的“IMAGE”部分缀合以提供光的基团 - 在高于其pKa的pH下的试剂的吸收能力,X表示提供至少一个吸电子基团的R的取代基。 聚合物pH敏感光学过滤剂在高于pKa的pH下具有高度着色的光吸收形式,并且在低于pKa的pH下基本上不吸收。 聚合物光学滤光剂可用于照相胶片单元和用于保护光敏元件免于在光照显影过程中发生起雾的过程。
    • 9. 发明授权
    • Copolymeric mordants and photographic products and processes containing
same
    • 共聚媒染剂和含有它们的摄影产品和方法
    • US4563411A
    • 1986-01-07
    • US641766
    • 1984-08-17
    • Irena Y. Bronstein-Bonte
    • Irena Y. Bronstein-Bonte
    • G03C8/56G03C1/40G03C5/54
    • G03C8/56Y10S430/142Y10T428/31855Y10T428/31935
    • Copolymeric mordant materials containing recurring units according to the following formula are disclosed: ##STR1## In such copolymers, each of R.sup.1, R.sup.2 and R.sup.3 can independently be alkyl; substituted-alkyl; cycloalkyl; aryl; aralkyl; alkaryl; or at least two of R.sup.1, R.sup.2 and R.sup.3, together with the quaternary nitrogen atom to which they are bonded, can complete a saturated or unsaturated, substituted or unsubstituted nitrogen-containing heterocyclic ring; X is an anion; each R.sup.4 is alkyl of from 1 to 6 carbon atoms; R.sup.5 is a divalent alkylene of from 1 to 8 carbon atoms; R.sup.6 is hydrogen, amino, phenyl or alkyl of from 1 to 4 carbon atoms; R.sup.7 is hydrogen or methyl; and m is an integer 1 or 2. The molar ratio of a:b can range from about 0.1:1 to about 10:1, e.g., about 0.3:1 to about 3:1.The copolymeric mordant materials can be utilized as image-receiving layers in photographic products and processes of the diffusion transfer type. The mordants are especially adapted to the production of dye images exhibiting favorable maximum density (D.sub.max) and rates of dye transfer properties.
    • 公开了含有根据下式的重复单元的共聚媒染材料:在这种共聚物中,R 1,R 2和R 3中的每一个可以独立地为烷基; 取代烷基; 环烷基 芳基; 芳烷基 烷芳基 或R 1,R 2和R 3中的至少两个与它们所键合的季氮原子一起可以完成饱和或不饱和的,取代或未取代的含氮杂环; X是阴离子; 每个R 4是具有1至6个碳原子的烷基; R5是1至8个碳原子的二价亚烷基; R6是氢,氨基,苯基或具有1至4个碳原子的烷基; R7是氢或甲基; 且m为1或2的整数.a:b的摩尔比范围为约0.1:1至约10:1,例如约0.3:1至约3:1。 共聚媒染材料可用作照相产品中的图像接收层和扩散转移型的方法。 媒染剂特别适用于生产显示有利的最大密度(Dmax)和染料转移性能的染料图像。
    • 10. 发明授权
    • Polymeric pH-sensitive optical filter agents and articles including same
    • 聚合物pH敏感光学过滤剂及其制品
    • US4546062A
    • 1985-10-08
    • US635734
    • 1984-07-30
    • Irena Y. Bronstein-BonteEdward P. Lindholm
    • Irena Y. Bronstein-BonteEdward P. Lindholm
    • G03C8/48G03C5/54G03C1/40G03C1/84
    • G03C8/48
    • Polymeric optical filter agents and products and processes using same are disclosed. The polymeric optical filter agents are pH-sensitive materials comprising a polymeric backbone having a plurality of pendant moieties of the formula (I). ##STR1## wherein X is ##STR2## and R is alkyl, aryl, alkaryl or aralkyl; A is hydrogen, alkyl or the radical ##STR3## where each of Y.sup.1, Y.sup.2 and Y.sup.3 is hydrogen or an electron-withdrawing group; and each Z.sup.1, Z.sup.2 and Z.sup.3 is hydrogen or an electron-withdrawing group; with the proviso that, when each of Z.sup.1, Z.sup.2 and Z.sup.3 is hydrogen, said A is a radical ##STR4## wherein at least one of said Y.sup.1, Y.sup.2 and Y.sup.3 groups comprises an electron-withdrawing group. These agents upon contact with alkali are converted from a substantially non-light absorbing form to a highly colored light-absorbing form useful in photographic products.
    • 公开了聚合物光学滤光剂及使用其的产品和方法。 聚合物光学过滤剂是pH敏感材料,其包含具有多个式(I)侧链部分的聚合物骨架。 (I)其中X为X和R为烷基,芳基,烷芳基或芳烷基; A是氢,烷基或基团,其中Y1,Y2和Y3各自为氢或吸电子基团; Z 1,Z 2和Z 3各自为氢或吸电子基团; 条件是当Z1,Z2和Z3各自为氢时,所述A为基团,其中所述Y 1,Y 2和Y 3基团中的至少一个包含吸电子基团。 这些与碱接触的试剂从基本上不吸光的形式转变为可用于摄影产品的高度着色的光吸收形式。