公开(公告)号：US06242168B1

公开(公告)日：2001-06-05

申请号：US09576528

申请日：2000-05-23

申请人： Mauro Avidano ,  Raffaella Biavasco ,  Diego Brignone ,  Giuseppe Rocca ,  Luisa Tavella

发明人： Mauro Avidano ,  Raffaella Biavasco ,  Diego Brignone ,  Giuseppe Rocca ,  Luisa Tavella

IPC分类号： G03C146

CPC分类号： G03C7/3003 ,  G03C7/3022 ,  G03C7/3029 ,  G03C7/30558 ,  G03C7/30594 ,  G03C2001/03535 ,  G03C2001/03558 ,  G03C2007/3037 ,  Y10S430/158

摘要： The present invention relates to a light-sensitive silver halide color multilayer photographic material which comprises a support base having coated thereon at least three red-sensitive emulsion layers having different sensitivity, at least three green-sensitive emulsion layers having different sensitivity, and at least two yellow-sensitive emulsion layers having different sensitivity, wherein (a) a core-shell silver halide emulsion having an average silver iodide content lower than 10% mol is present in at least one of the lowest sensitive red-, green- and yellow layers, (b) a yellow dye forming malonodiamide DIR coupler having in the coupling position thereof a 4,7-dihalogen-2-benzotriazolyl group is present in both the medium sensitive red- and green-sensitive layers, and (c) a yellow dye forming DIR coupler having a 1,2,4-triazolyl group attached to the coupling position, such 1,2,4-triazolyl group comprising a hydrolizable alkoxy- or aryloxy-carbonyl group attached to a benzytlthio substituent on the 1,2,4-triazolyl group is present in at least one of the highest sensitive red- and green-sensitive layers.

摘要翻译： 本发明涉及一种感光卤化银彩色多层照相材料，其包括其上涂覆有至少三种具有不同灵敏度的感红乳剂层的支持基质，至少三种具有不同灵敏度的感绿乳剂层，至少 两个具有不同灵敏度的黄敏感乳剂层，其中（a）平均碘化银含量低于10％摩尔的核 - 壳卤化银乳剂存在于至少一个最低敏感的红，绿和黄层中 ，（b）具有4,7-二卤代-2-苯并三唑基的偶联位置的黄色染料形成丙二酰胺DIR成色剂存在于中敏感红和绿敏感层中，和（c）黄色染料 形成具有连接到偶联位置上的1,2,4-三唑基的DIR成色剂，所述1,2,4-三唑基包含连接到苯甲硫基的可水解烷氧基 - 或芳氧基 - 羰基 1,2,4-三唑基中的取代基存在于最敏感的红敏感层和绿敏感层中的至少一个中。

公开(公告)号：US06258522B1

公开(公告)日：2001-07-10

申请号：US09576530

申请日：2000-05-23

申请人： Mario Mariotti ,  Stefania Ghirardo ,  Giuseppe Rocca ,  Mauro Avidano ,  Alessandro Gunnella ,  Ezio Astengo

发明人： Mario Mariotti ,  Stefania Ghirardo ,  Giuseppe Rocca ,  Mauro Avidano ,  Alessandro Gunnella ,  Ezio Astengo

IPC分类号： G03C1005

CPC分类号： G03C1/035 ,  G03C7/3022 ,  G03C2001/03535 ,  G03C2001/03558

摘要： The present invention relates to a light-sensitive emulsion, and a light-sensitive photographic material containing the same, comprising silver bromoiodide grains of a core shell structure comprising a) an inner core consisting essentially of silver bromide or silver bromoiodide, the silver iodide content of said inner core being within the range of 0 to 10 mole %, and b) a plurality of shells consisting essentially of silver bromide or silver bromoiodide, wherein a pure silver iodide phase representing from 0.1 to 5 mole % of the total silver halide grain content is interposed between two adjacent shells, and wherein at least one of said adjacent shells has a silver iodide content higher than 5 mole %.

摘要翻译： 本发明涉及感光乳剂和含有该感光乳剂的感光性感光材料，其包含核壳结构的溴碘化银颗粒，其包含：a）主要由溴化银或溴碘化银组成的内核，碘化银含量 的所述内芯在0至10摩尔％的范围内，以及b）基本上由溴化银或溴碘化银组成的多个壳，其中代表总卤化银颗粒的0.1至5摩尔％的纯碘化银相 含量介于两个相邻的壳之间，并且其中至少一个相邻的壳具有高于5摩尔％的碘化银含量。

公开(公告)号：US06632886B2

公开(公告)日：2003-10-14

申请号：US09829530

申请日：2001-04-10

申请人： Simone Angiolini ,  Mauro Avidano ,  Paolo Salvarani ,  Roberto Bracco

发明人： Simone Angiolini ,  Mauro Avidano ,  Paolo Salvarani ,  Roberto Bracco

IPC分类号： C08L2712

CPC分类号： C08G63/6826 ,  C08G63/193 ,  C08G63/6856 ,  Y10T428/3154 ,  Y10T428/31565

摘要： The present invention refers to an optical film comprising one or more polyarylates having at least some units represented by the general structure: wherein A represents one or more different bisphenolfluorene radicals having the general formula (I):  wherein R1 and R2 independently represent an alkyl group, a halogen, an alkoxy group, an acyl group, a phenyl group or a nitrile group, with the proviso that R1 and R2 are not both an alkyl group; R3, R4, R5 and R6 represent a hydrogen atom, an alkyl group, a halogen, an alkoxy group, an acyl group, a phenyl group, a nitro group, or a nitrile group; B represents one or more different dicarboxy radicals having the formula:  wherein X is a divalent hydrocarbon group having from 1 to 20 carbon atoms, and n is the number of the repeating units which build up the polymer and is a positive integer higher than 20. The optical film of the present invention has excellent mechanical and thermal properties, a high Tg and does not readily yellow upon exposure to light.

摘要翻译： 本发明涉及包含一种或多种具有至少一些以通式结构表示的单元的聚芳酯的光学膜：其中A表示一种或多种具有通式（I）的不同的双苯芴基：其中R PDAT> 1 ＆lt; / SB＆gt;＆lt; PD＆gt;＆lt; PD＆gt; 2＆lt; / SB＆gt;＆lt; PDAT＆gt;独立地表示烷基，卤素，烷氧基，酰基，苯基或腈基， 条件是R 1 和R 2 不是烷基; R ，R 4 ，R 5 代表氢原子，烷基，卤素，烷氧基，酰基，苯基，硝基或腈基的化合物 PDAT> B表示一个或多个具有下式的不同的二羧基：其中X是具有1至20个碳原子的二价烃基，n是构成聚合物并且是高于20的正整数的重复单元的数目。 本发明的光学膜具有优异的机械和热性能，高Tg，并且在曝光时不容易发黄。

公开(公告)号：US20060217521A1

公开(公告)日：2006-09-28

申请号：US10552216

申请日：2004-04-05

申请人： Simone Angiolini ,  Mauro Avidano

发明人： Simone Angiolini ,  Mauro Avidano

IPC分类号： C08G63/13

CPC分类号： C08G63/193 ,  G02B1/04 ,  C08L67/03

摘要： An optical media comprising a polymeric material film, wherein said polymeric material is a polyester obtained from a 9,9-bis(4-hydroxyphenyl)fluorene derivative and a mixture of terephthalic acid and isophthalic acid derivatives, said polymeric material having an inherent viscosity lower than 0.80 dl/g and a yellowing coefficient Yc lower than 0.0050.

摘要翻译： 一种包含聚合物材料膜的光学介质，其中所述聚合物材料是由9,9-双（4-羟基苯基）芴衍生物和对苯二甲酸和间苯二甲酸衍生物的混合物获得的聚酯，所述聚合物材料的特性粘度降低 比0.80dl / g，黄变系数Yc低于0.0050。

公开(公告)号：US07022772B2

公开(公告)日：2006-04-04

申请号：US10643212

申请日：2003-08-18

申请人： Simone Angiolini ,  Mauro Avidano ,  Paolo Salvarani ,  Roberto Bracco

发明人： Simone Angiolini ,  Mauro Avidano ,  Paolo Salvarani ,  Roberto Bracco

IPC分类号： C08L27/12 ,  C08F283/02 ,  C08G73/24

CPC分类号： C08G63/193 ,  C08G63/6826 ,  C08G63/6856 ,  Y10T428/31565

摘要： The present invention refers to a polymeric optical film the polymer of the polymeric optical film consisting essentially of one or more polyarylates having repeating units represented by the general structure: wherein A represents one or more different bisphenolfluorene radicals having the general formula (I): wherein R1 and R2 independently represent an alkyl group, a halogen atom, an alkoxy group, an acyl group, a phenyl group or a nitrile group, with the proviso that R1 and R2 are not both an alkyl group; R3, R4, R5 and R6 represent a hydrogen atom, an alkyl group, a halogen, an alkoxy group, an acyl group, a phenyl group, a nitro group, or a nitrile group, with the proviso that when R1 and R2 are both bromide atoms, at least one of R3, R4, R5 and R6 is different from hydrogen atom; B represents one or more different dicarboxy radicals having the formula: wherein X is a divalent aromatic hydrocarbon group having from 6 to 20 carbon atoms, and n is the number of the repeating units which build up the polymer and is a positive integer higher than 20. The optical film of the present invention has excellent mechanical and thermal properties, a high Tg and does not readily yellow upon exposure to light.

摘要翻译： 本发明涉及一种聚合物光学薄膜，聚合物光学薄膜的聚合物基本上由一种或多种具有由通式结构表示的重复单元的聚芳酯组成：其中A表示一种或多种具有通式（I）的不同双苯芴基：其中 R 1和R 2独立地表示烷基，卤素原子，烷氧基，酰基，苯基或腈基，条件是R R 1和R 2都不是烷基; R 3，R 4，R 5和R 6表示氢原子，烷基，卤素 ，烷氧基，酰基，苯基，硝基或腈基，条件是当R 1和R 2都是溴原子时 ，R 3，R 4，R 5和R 6中的至少一个不同于氢原子; B表示一个或多个具有下式的不同的二羧基：其中X是具有6至20个碳原子的二价芳族烃基，n是构成聚合物并且是高于20的正整数的重复单元的数目 本发明的光学膜具有优异的机械和热性能，高Tg，并且在曝光时不容易发黄。

公开(公告)号：US20060276616A1

公开(公告)日：2006-12-07

申请号：US10552198

申请日：2004-04-05

申请人： Simone Angiolini ,  Mauro Avidano

发明人： Simone Angiolini ,  Mauro Avidano

IPC分类号： C08G63/02

CPC分类号： C08G63/193 ,  G02B1/04

摘要： An optical media comprising a polymeric material film, characterized in that said polymeric material is a polyester obtained from a 9,9-bis(4-hydroxyphenyl)fluorene derivative and a mixture of terephthalic acid and isophthalic acid derivatives, said polymeric material having a glass transition temperature higher than 315° C. and a yellowing coefficient Yc lower than 0.0060.

摘要翻译： 一种包含聚合物材料膜的光学介质，其特征在于，所述聚合物材料是由9,9-双（4-羟基苯基）芴衍生物和对苯二甲酸和间苯二甲酸衍生物的混合物获得的聚酯，所述聚合物材料具有玻璃 转变温度高于315℃，黄变系数Yc低于0.0060。

公开(公告)号：US06620979B2

公开(公告)日：2003-09-16

申请号：US10118573

申请日：2002-04-08

申请人： Simone Angiolini ,  Mauro Avidano

发明人： Simone Angiolini ,  Mauro Avidano

IPC分类号： C07C3784

CPC分类号： C07C39/17 ,  C07C37/685 ,  C07C37/84 ,  C07C2603/18

摘要： A 9,9-bis (4-hydroxyphenyl) fluorene compound showing a melting curve maximum of at least 226.00° C. and a melting curve width at 5% equal to or lower than 1.30° C. A purification process for the preparation of 9,9-bis (4-hydroxyphenyl) fluorene compounds comprising a first purification step employing acetonitrile and a second purification step employing a solvent selected from the group consisting of aliphatic alcools, a mixture of aromatic hydrocarbons and aliphatic alco-hols and a mixture of aromatic hydrocarbons and nitrites. A synthesis method for the preparation of 9,9-bis (4-hydroxyphenyl) fluorene compounds comprising the steps of (a) reacting in an organic solvent a phenol compound with a 9-fluorenone in the presence of an acidic condensing agent, (b) separating the crude 9,9-bis (4-hydroxyphenyl) fluorene, and (c) purifying the crude 9,9-bis (4-hydroxyphenyl) fluorene, wherein the purifying method comprises a first purification step employing acetonitrile solvent and a second purification step employing a solvent selected from the group consisting of aliphatic alcools, a mixture of aromatic hydrocarbons and aliphatic alcohols and a mixture of aromatic hydrocarbons and nitrites.