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1.发明公开Salicylic acid derivatives, the process for preparing the same and the heat-sensitive recording materials comprising thereof 失效水杨酸衍生物，它们的制备方法，以及含有这些热敏记录材料。
公开(公告)号：EP0534257A1
公开(公告)日：1993-03-31
申请号：EP92115647.7
申请日：1992-09-13
发明人： Tanabe, Yoshimitsu , Kobayashi, Yuki , Otsuji, Atsuo , Nakatsuka, Masakatsu , Hasegawa, Kiyoharu , Kikkawa, Kazuyoshi , Yamaguchi, Akihiro , Koike, Naomasa , Okumura, Fumio
IPC分类号： B41M5/30 , C07C271/28 , C07C271/58 , C07C333/08 , C07C333/24
CPC分类号： C07C333/24 , B41M5/3335 , B41M5/3336 , C07C271/28 , C07C271/58 , C07C333/08
摘要： A heat-sensitive recording material comprising a color forming, electron donating compound and a salicylic acid derivative represented by the formula(1):
wherein X₁ and X₂ are a hydrogen atom, an alkyl group, an alkoxy group, an aralkyl group, an aryl group or a halogen atom, Y₁ and Y₂ are an oxygen atom or a sulfur atom, R₁ is a hydrogen atom, an alkyl group, an aralkyl group or an aryl group , and R₂ is an alkyl group, an alkenyl group, an aralkyl group or an aryl group, and/or a metal salt of the salicylic acid derivative as an electron accepting compound, is disclosed.摘要翻译： 热敏记录材料，其包含一个成色，供电子性化合物和由下式表示的水杨酸衍生物（1）：
worin X <5>和X <6>为氢原子的烷基，以 烷氧基，在芳烷基，以芳基或卤原子，Y <5>和Y <6>在是氧原子或硫原子，R <5>是一个氢原子，在烷基，芳烷基氧基或 到芳基，且R <6>在芳烷基或芳基，和/或水杨酸衍生物作为电子接受性化合物的金属盐的烷基，链烯基，正游离缺失盘。 -
2.发明公开Crystal of fluoran compound, preparation process of the crystal, and recording material comprising the crystal 失效荧烷化合物的晶体，其制造方法及记录材料，其中包含晶体。
公开(公告)号：EP0477623A1
公开(公告)日：1992-04-01
申请号：EP91115067.0
申请日：1991-09-06
发明人： Nakatsuka, Masakatsu , Otsuji, Atsuo , Hasegawa, Kiyoharu , Kikkawa, Kazuyoshi , Yamaguchi, Akihiro
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 (2ϑ) of 7.5° and 17.0° and relatively high peaks at diffraction angles (2ϑ) of 15.1° , 19.1° , 21.5° and 25.3° in an X-ray diffraction diagram by the Cu-Kα beam and a crystal of a fluoran compound having the formula (II) comprising exhibiting high peaks at diffraction angles (2ϑ) of 5.5° and 19.2° in an X-ray diffraction diagram by the Cu-Kα beam, which is useful as a color forming compound in recording materials.
摘要翻译： 本发明公开了具有包含在15.1°的衍射角（2θ处）的7.5°和17.0°和相对高的峰值的衍射角（2θ处）表现出高的峰的式（I）的荧烷化合物的结晶，19.1°，21.5 DEG和25.3 DEG在由铜的Kα阿尔法束的X射线衍射图，并具有包括在5.5 DEG的衍射角（2θ处）和19.2 DEG在一个表现出高的峰的式（II）荧烷化合物的晶体 通过在Cu-K阿尔法束，其作为一个颜色形成记录材料化合物有用的X射线衍射图。
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3.发明公开Crystal of fluoran compound, preparation process of said crystal, and recording material comprising said crystal 失效荧烷化合物的晶体，其制备方法和含有该记录材料的方法。
公开(公告)号：EP0462480A1
公开(公告)日：1991-12-27
申请号：EP91109450.6
申请日：1991-06-09
发明人： Nakatsuka, Masakatsu , Otsuji, Atsuo , Hasegawa, Kiyoharu , Kikkawa, Kazuyoshi , Yamaguchi, Akihiro
IPC分类号： C07D493/10 , B41M5/30 , B41M5/145
CPC分类号： B41M5/3275 , B41M5/1455 , C07D493/10
摘要： Disclosed are novel crystal of the fluoran compound represented by the formula ( I )
,characterized by a specific X-ray diffraction diagram; preparation process thereof; and recording materials comprising the crystal.摘要翻译： 本发明公开了由式（I）
由特定的X-射线衍射图特征的代表的荧烷化合物的新型晶体; 它们的制备方法; 和记录材料，其包含晶体。 -
4.发明公开Fluoran compounds, process for preparation thereof and recording materials comprising said compound 失效Fluoranverbindungen，Verfahren zu ihrer Herstellung und diese enthaltende Aufzeichnungsmaterialien。
公开(公告)号：EP0420024A2
公开(公告)日：1991-04-03
申请号：EP90118031.5
申请日：1990-09-19
发明人： Otsuji, Atsuo , Nakatsuka, Masakatsu , Hasegawa, Kiyoharu , Takagi, Masatoshi , Yamaguchi, Akihiro
IPC分类号： C07D493/10 , B41M5/124 , B41M5/26
CPC分类号： B41M5/1455 , B41M5/3275 , C07D493/10
摘要： Novel fluoran compounds represented by the formula ( I ):
wherein R¹ 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R 1是具有1至4个碳原子的烷基，其中R 1是氟化合物的制备方法，以及热敏和压敏记录材料 包括荧烷化合物。
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5.发明公开Fluoran compound, process for preparation thereof and heat sensitive recording materials comprising said compound 失效荧烷化合物，它们的制备方法和含有wärmeempflindliche记录材料。
公开(公告)号：EP0411509A2
公开(公告)日：1991-02-06
申请号：EP90114506.0
申请日：1990-07-27
发明人： Nakatsuka, Masakatsu , Otsuji, Atsuo , Hasegawa, Kiyoharu , Takagi, Masatoshi , Yamaguchi, Akihiro
IPC分类号： C07D493/10 , B41M5/30
CPC分类号： B41M5/3275 , C07D493/10
摘要： Disclosed are a novel fluoran compound represented by the formula (I):
and a heat-sensitive recording paper which is obtained by using the fluoran compound as a chromogenic compound and is excellent in preserving stability.摘要翻译： 本发明公开了由式（I）表示的新型化合物荧烷：
和热敏记录纸的所有其通过使用荧烷化合物作为显色化合物获得，且具有优异的保存稳定性。 -
6.发明授权Crystal of fluoran compound, preparation process of the crystal, and recording material comprising the crystal 失效荧烷化合物的晶体，其制造方法及记录材料，其中包含晶体
公开(公告)号：EP0477623B1
公开(公告)日：1995-12-13
申请号：EP91115067.0
申请日：1991-09-06
发明人： Nakatsuka, Masakatsu , Otsuji, Atsuo , Hasegawa, Kiyoharu , Kikkawa, Kazuyoshi , Yamaguchi, Akihiro
CPC分类号： C09B67/0025 , B41M5/1455 , B41M5/3275 , C09B11/24
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7.发明授权Fluoran compounds, process for preparation thereof and recording materials comprising said compound 失效荧烷化合物，它们的制备方法和含有记录材料。
公开(公告)号：EP0420024B1
公开(公告)日：1994-03-30
申请号：EP90118031.5
申请日：1990-09-19
发明人： Otsuji, Atsuo , Nakatsuka, Masakatsu , Hasegawa, Kiyoharu , Takagi, Masatoshi , Yamaguchi, Akihiro
IPC分类号： C07D493/10 , B41M5/124 , B41M5/26
CPC分类号： B41M5/1455 , B41M5/3275 , C07D493/10
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8.发明公开Fluoran compound, process for preparation thereof and heat sensitive recording materials comprising said compound 失效氟化合物，其制备方法和包含上述化合物的热敏记录材料
公开(公告)号：EP0411509A3
公开(公告)日：1991-11-27
申请号：EP90114506.0
申请日：1990-07-27
发明人： Nakatsuka, Masakatsu , Otsuji, Atsuo , Hasegawa, Kiyoharu , Takagi, Masatoshi , Yamaguchi, Akihiro
IPC分类号： C07D493/10 , B41M5/30
CPC分类号： B41M5/3275 , C07D493/10
摘要： Disclosed are a novel fluoran compound represented by the formula (I):
and a heat-sensitive recording paper which is obtained by using the fluoran compound as a chromogenic compound and is excellent in preserving stability.-
9.发明授权Fluoran compound, process for preparation thereof and heat sensitive recording materials comprising said compound 失效荧烷化合物，它们的制备方法和含有wärmeempflindliche记录材料。
公开(公告)号：EP0411509B1
公开(公告)日：1994-09-28
申请号：EP90114506.0
申请日：1990-07-27
发明人： Nakatsuka, Masakatsu , Otsuji, Atsuo , Hasegawa, Kiyoharu , Takagi, Masatoshi , Yamaguchi, Akihiro
IPC分类号： C07D493/10 , B41M5/30
CPC分类号： B41M5/3275 , C07D493/10
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10.发明公开Crystals of fluoran compound, crystalline solvates thereof, process for their preparation and recording material comprising said crystal or said solvate 失效荧烷化合物，它们的结晶溶剂化物，以处理含有该晶体或它们的制备UNF记录材料的结晶，所述溶剂化物。
公开(公告)号：EP0466040A1
公开(公告)日：1992-01-15
申请号：EP91111174.8
申请日：1991-07-05
发明人： Otsuji, Atsuo , Nakatsuka, Masakatsu , Hasegawa, Kiyoharu , Kikkawa, Kazuyoshi , Yamaguchi, Akihiro
IPC分类号： C09B11/24 , B41M5/145 , B41M5/30 , C07D493/10
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
wherein R₁ is
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： 本发明公开了由式
worin R1代表荧烷化合物的结晶和结晶溶剂化物被 和哪些是作为在记录材料的显色化合物有用：如压敏和热敏记录材料，制备方法 所述晶体和Said结晶溶剂化物，和记录材料包含所述晶体或结晶溶剂化物的所述。
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