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公开(公告)号：US5647896A
公开(公告)日：1997-07-15
申请号：US544986
申请日：1995-10-30
申请人： Takeshi Nishimura , Tomoko Kamashita , Masaru Wada , Teruyuki Nagata , Yoshimitsu Tanabe , Kiyoharu Hasegawa , Masakatsu Nakatsuka
发明人： Takeshi Nishimura , Tomoko Kamashita , Masaru Wada , Teruyuki Nagata , Yoshimitsu Tanabe , Kiyoharu Hasegawa , Masakatsu Nakatsuka
CPC分类号： B41M5/155
摘要： Provided are a color-developing agent comprising a multivalent metal salt of a salicylic acid derivative and a sulfonated phenol and/or a metal salt thereof and having excellent initial and ultimate color-developing capacities and improved waterproofness; and a color-developing sheet making use of the color-developing agent.
摘要翻译： 提供一种显色剂，其包含水杨酸衍生物的多价金属盐和磺化苯酚和/或其金属盐，并且具有优异的初始和最终显色能力和改善的防水性; 和使用显色剂的显色片。
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公开(公告)号：US5476957A
公开(公告)日：1995-12-19
申请号：US338225
申请日：1994-11-09
IPC分类号： B41M5/30 , B41M5/333 , C07C271/28 , C07C271/58 , C07C333/08 , C07C333/24 , C07F3/02 , C07F3/04 , C07F3/06 , C07F15/00
CPC分类号： C07C333/24 , B41M5/3335 , C07C271/28 , C07C271/58 , C07C333/08 , B41M5/3336
摘要： The heat-sensitive recording material disclosed comprises a colorless or pale colored dyestuff precursor, one or more salicylic acid derivative of the formula (1) or metal salt of the derivative and an aliphatic amide compound having 18.about.60 carbon atoms in molecular structure, and is excellent in thermal response and preservation stability of white portions and images. ##STR1## wherein X.sub.1 and X.sub.2 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group or an aryl group, Y.sub.1 and Y.sub.2 are an oxygen atom or a sulfur atom, R.sub.1 is a hydrogen atom, an alkyl group, an aralkyl group or an aryl group, and R.sub.2 is an alkyl group, an alkenyl group, an aralkyl group or an aryl group.
摘要翻译： 所公开的热敏记录材料包括无色或浅色染料前体，一种或多种式（1）的水杨酸衍生物或衍生物的金属盐和分子结构中具有18个碳原子的脂族酰胺化合物，以及 白色部分和图像的热响应和保存稳定性优异。 （1）其中X1和X2是氢原子，卤素原子，烷基，烷氧基，芳烷基或芳基，Y1和Y2是氧原子或硫原子，R1是 氢原子，烷基，芳烷基或芳基，R2为烷基，烯基，芳烷基或芳基。
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公开(公告)号：US5346878A
公开(公告)日：1994-09-13
申请号：US108500
申请日：1993-08-18
IPC分类号： B41M5/30 , B41M5/333 , B41M5/337 , C07C271/28 , C07C271/58 , C07C333/08 , C07C333/24
CPC分类号： C07C333/24 , B41M5/3335 , B41M5/3375 , C07C271/28 , C07C271/58 , C07C333/08 , B41M5/3336
摘要： The heat-sensitive recording material disclosed comprises a colorless or pale colored dyestuff precursor, one or more salicylic acid derivative of the formula (1) or metal salt of the derivative and an aliphatic amide compound having 18.about.60 carbon atoms in molecular structure, and is excellent in thermal response and preservation stability of white portions and images. ##STR1## wherein X.sub.1 and X.sub.2 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group or an aryl group, Y.sub.1 and Y.sub.2 are an oxygen atom or a sulfur atom, R.sub.1 is a hydrogen atom, an alkyl group, an aralkyl group or an aryl group, and R.sub.2 is an alkyl group, an alkenyl group, an aralkyl group or an aryl group.
摘要翻译： 所公开的热敏记录材料包括无色或浅色染料前体，一种或多种式（1）的水杨酸衍生物或衍生物的金属盐和分子结构中具有18个碳原子的脂族酰胺化合物，以及 白色部分和图像的热响应和保存稳定性优异。 （1）其中X1和X2是氢原子，卤素原子，烷基，烷氧基，芳烷基或芳基，Y1和Y2是氧原子或硫原子，R1是 氢原子，烷基，芳烷基或芳基，R2为烷基，烯基，芳烷基或芳基。
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公开(公告)号：US5210221A
公开(公告)日：1993-05-11
申请号：US757160
申请日：1991-09-10
CPC分类号： C09B67/0025 , B41M5/1455 , B41M5/3275 , C09B11/24
摘要： Disclosed are a crystal of a fluoran compound having the formula (I) comprising exhibiting high peaks at diffraction angles (2.theta.) of 7.5.degree. and 17.0.degree. and relatively high peaks at diffraction angles (2.theta.) of 15.1.degree., 19.1.degree., 21.5.degree. and 25.3.degree. in an X-ray diffraction diagram by the Cu-K.alpha. beam and a crystal of a fluoran compound having the formula (II) comprising exhibiting high peaks at diffraction angles (2.theta.) of 5.5.degree. and 19.2.degree. in an X-ray diffraction diagram by the Cu-K.alpha. beam, which is useful as a color forming compound in recording materials. ##STR1##
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5.发明授权Fluoran compounds, process for preparation thereof and recording materials comprising said compound 失效氟化合物，其制备方法和包含所述化合物的记录材料
公开(公告)号：US5208209A
公开(公告)日：1993-05-04
申请号：US810095
申请日：1991-12-19
IPC分类号： B41M5/145 , B41M5/327 , C07D493/10
CPC分类号： B41M5/3275 , B41M5/1455 , C07D493/10
摘要： Novel fluoran compounds represented by the formula (I): ##STR1## wherein R.sup.1 is an alkyl group having from 1 to 4 carbon atoms, preparation process of the fluoran compounds, and a heat-sensitive and a pressure-sensitive recording material comprising the fluoran compound, are disclosed.
摘要翻译： 由式（I）表示的新型氟化合物：其中R1是具有1至4个碳原子的烷基，其中氟化合物的制备方法和热敏记录材料 包括荧烷化合物。
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公开(公告)号：US5185453A
公开(公告)日：1993-02-09
申请号：US717568
申请日：1991-06-19
IPC分类号： B41M5/145 , B41M5/327 , C07D493/10
CPC分类号： B41M5/3275 , B41M5/1455 , C07D493/10
摘要： Disclosed are novel crystal of the fluoran compound represented by the formula ##STR1## , characterized by a specific X-ray diffraction diagram; preparation process thereof; and recording materials comprising the crystal.
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7.发明授权Fluoran compounds, process for preparation thereof and recording materials comprising said compound 失效氟化合物，其制备方法和包含化合物的记录材料
公开(公告)号：US5087706A
公开(公告)日：1992-02-11
申请号：US584219
申请日：1990-09-18
IPC分类号： B41M5/145 , B41M5/327 , C07D493/10 , C09B11/28
CPC分类号： B41M5/1455 , B41M5/3275 , C07D493/10
摘要： Novel fluoran compounds represented by the formula (I): ##STR1## wherein R.sup.1 is an alkyl group having from 1 to 4 carbon atoms, preparation process of the fluoran compounds, and a heat-sensitive and a pressure-sensitive recording material comprising the fluoran compound, are disclosed.
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8.发明授权P-amino substituted tetraphenylthiophenes and electrophotographic photoreceptors containing them 失效含有氨基取代的四苯基噻吩和电子照相感光体
公开(公告)号：US4963449A
公开(公告)日：1990-10-16
申请号：US272371
申请日：1988-11-17
申请人： Eishi Tanaka , Tsutomu Nishizawa , Yasuyuki Yamada , Hisato Itoh , Akihiro yamaguchi , Masakatsu Nakatsuka
发明人： Eishi Tanaka , Tsutomu Nishizawa , Yasuyuki Yamada , Hisato Itoh , Akihiro yamaguchi , Masakatsu Nakatsuka
IPC分类号： C07D333/10 , C07D333/20 , C07D333/22 , C07D409/14 , C07D471/04 , C07D471/14 , G03G5/06
CPC分类号： G03G5/0629 , C07D333/20
摘要： There are here provided a novel tetraphenylthiophene derivative represented by the general formula ##STR1## wherein AM is a tertiary amino group, each of l, m and n is the integer 0 or 1 and l.gtoreq.m.gtoreq.n are useful as the charge-transporting material in an electrophotographic photoreceptor having an electrically conductive base and a photosensitive layer thereon containing a charge-transporting material and a charge-generating material, which preferably is an azo compound.
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9.发明授权Crystals of fluoran compound, crystalline solvates thereof, process for their preparation and recording material comprising said crystal or said solvate 失效氟化合物的晶体，其结晶溶剂合物，其制备方法和包含所述晶体或所述溶剂合物的记录材料
公开(公告)号：US5302571A
公开(公告)日：1994-04-12
申请号：US075935
申请日：1993-06-14
CPC分类号： C09B11/24 , B41M5/1455 , B41M5/3275
摘要： Disclosed are a crystal and crystalline solvate of a fluoran compound represented by the formula ##STR1## wherein R.sub.1 is ##STR2## and which are useful as chromogenic compounds in recording materials such as pressure-sensitive and heat-sensitive recording materials, a process for preparation of said crystal and said crystalline solvate, and recording materials comprising said crystal or said crystalline solvate.
摘要翻译： 公开了由下式表示的荧烷化合物的晶体和结晶溶剂化物，其中R1是
，其可用作记录材料如压敏和热敏记录材料中的显色化合物， 所述晶体和所述结晶溶剂化物的制备方法，以及包含所述晶体或所述结晶溶剂合物的记录材料。 -
公开(公告)号：US5300473A
公开(公告)日：1994-04-05
申请号：US28911
申请日：1993-03-08
CPC分类号： C09B67/0025 , B41M5/1455 , B41M5/3275 , C09B11/24
摘要： Disclosed are a crystal of a fluoran compound having the formula comprising exhibiting high peaks at diffraction angles (2.theta.) of 7.5.degree. and 17.0.degree. and relatively high peaks at diffraction angles (2.theta.) of 15.1.degree., 19.1.degree., 21.5.degree. and 25.3.degree. in an X-ray diffraction diagram by the CU-K.alpha. beam and a crystal of a fluoran compound having the formula (II) comprising exhibiting high peaks at diffraction angles (2.theta.) of 5.5.degree. and 19.2.degree. in an X-ray diffraction diagram by the CU-K.alpha. beam, which is useful as a color forming compound in recording materials. ##STR1##
摘要翻译： 公开了具有以下通式的荧烷化合物的晶体，其包括在7.5度和17.0度的衍射角（2（θ））处呈现高峰，并且在15.1度，19.1度的衍射角（2（θ））处具有相对高的峰， 通过CU-K（α）光束在X射线衍射图中为21.5度和25.3度，并且具有式（II）的荧烷化合物的晶体包括在5.5度的衍射角（2（θ））处表现出高峰 在通过CU-K（α）光束的X射线衍射图中为19.2度，其可用作记录材料中的成色化合物。 （*化学结构*）（I）（*化学结构*）（II）
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