公开(公告)号：USRE39105E1

公开(公告)日：2006-05-23

申请号：US10763075

申请日：2004-01-23

申请人： Shigeo Fujita ,  Nobuaki Sasaki ,  Keiki Chichiishi ,  Yasuhisa Iwasaki

发明人： Shigeo Fujita ,  Nobuaki Sasaki ,  Keiki Chichiishi ,  Yasuhisa Iwasaki

IPC分类号： G03F7/00

CPC分类号： G03F7/00

摘要： The invention provides near infrared absorbing materials showing high light-to-heat conversion efficiency and high sensitivity to lasers whose emission bands are within the range of 750 nm to 900 nm, original plates for direct printing plate making, and novel compounds which can be applied to such absorbing materials and plates. The compounds are polymethine compounds of the general formula (I) A detailed description of general formula (I) may be found in the specification. wherein R1 represents an alkoxy group which may be substituted; R2 represents an alkyl group which may be substituted; R3 and R4 each represents a lower alkyl group or R3 and R4 taken together represent a ring; X represents a hydrogen atom, a halogen atom or a substituted amino group; Y represents an alkoxy group which may be substituted or an alkyl group which may be substituted; Z represents a charge neutralizing ion.

摘要翻译： 本发明提供了近红外吸收材料，其发光带宽在750nm至900nm范围内的光 - 热转换效率和激光器的高灵敏度，用于直接印版制版的原版和可应用的新型化合物 到这种吸收材料和板材。 化合物是通式（I）的聚甲炔化合物。通式（I）的详细描述可以在说明书中找到。 其中R 1表示可以被取代的烷氧基; R 2表示可以被取代的烷基; R 3和R 4各自代表低级烷基或R 3和R 4一起代表环 ; X表示氢原子，卤原子或取代氨基; Y表示可被取代的烷氧基或可被取代的烷基; Z表示电荷中和离子。

公开(公告)号：US06716993B2

公开(公告)日：2004-04-06

申请号：US10453514

申请日：2003-06-04

申请人： Nobuaki Sasaki ,  Keiki Chichiishi ,  Shigeo Fujita ,  Yasuhisa Iwasaki

发明人： Nobuaki Sasaki ,  Keiki Chichiishi ,  Shigeo Fujita ,  Yasuhisa Iwasaki

IPC分类号： C07D40308

CPC分类号： B41M5/465 ,  C09B23/0066 ,  G11B7/245 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/248 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  Y10S430/145 ,  Y10S430/146

摘要： The invention provides novel compounds which show high sensitivity to near-infrared rays in the region of 750-950 nm and, when processed to give films and so forth, undergo only slight discoloration and retain high transparency, hence can be used as near-infrared absorbing materials, together with an intermediate thereof. Thus provided are polymethine compounds of the general formula (I): wherein R1 and R2 each independently represents a hydrogen atom, an alkyl group or an alkoxy group, R3 represents an alkyl group, which may optionally be substituted, L represents an alkylene group necessary for the formation of a cyclic structure, X represents a hydrogen atom, a halogen atom or a substituted amino group, and Z represents an acidic residue, as well as near-infrared absorbing materials comprising the same.

摘要翻译： 本发明提供了在750-950nm区域对近红外线具有高灵敏度的新型化合物，当加工成膜等时，仅发生轻微变色并保持高透明度，因此可用作近红外 吸收材料及其中间体。 因此提供了通式（I）的聚甲炔化合物：其中R 1和R 2各自独立地表示氢原子，烷基或烷氧基，R 3表示可任选被取代的烷基，L表示必需的亚烷基 为了形成环状结构，X表示氢原子，卤素原子或取代氨基，Z表示酸性残基，以及包含该残基的近红外吸收材料。

公开(公告)号：US06342335B1

公开(公告)日：2002-01-29

申请号：US09598044

申请日：2000-06-20

申请人： Shigeo Fujita ,  Nobuaki Sasaki ,  Keiki Chichiishi ,  Yasuhisa Iwasaki

发明人： Shigeo Fujita ,  Nobuaki Sasaki ,  Keiki Chichiishi ,  Yasuhisa Iwasaki

IPC分类号： G03F700

CPC分类号： C09B23/0066 ,  B41C2210/22 ,  C07D209/10 ,  C07D209/96 ,  G03G5/067 ,  G03G5/09 ,  G11B7/246 ,  G11B7/2472 ,  G11B7/2495 ,  Y10S430/145 ,  Y10S430/146

摘要： The invention provides near infrared absorbing materials showing high light-to-heat conversion efficiency and high sensitivity to lasers whose emission bands are within the range of 750 nm to 900 nm, original plates for direct printing plate making, and novel compounds which can be applied to such absorbing materials and plates. The compounds are polymethine compounds of the general formula (I) A detailed description of general formula (I) may be found in the specification. wherein R1 represents an alkoxy group which may be substituted; R2 represents an alkyl group which may be substituted; R3 and R4 each represents a lower alkyl group or R3 and R4 taken together represent a ring; X represents a hydrogen atom, a halogen atom or a substituted amino group; Y represents an alkoxy group which may be substituted or an alkyl group which may be substituted; Z represents a charge neutralizing ion.

摘要翻译： 本发明提供了近红外吸收材料，其发光带宽在750nm至900nm范围内的光 - 热转换效率和激光器的高灵敏度，用于直接印版制版的原版和可应用的新型化合物 到这种吸收材料和板材。 化合物是通式（I）的聚甲炔化合物。通式（I）的详细描述可以在说明书中找到，其中R1表示可以被取代的烷氧基; R2表示可以被取代的烷基; R3和R4各自表示低级烷基或R3和R4一起代表环; X表示氢原子，卤原子或取代氨基; Y表示可被取代的烷氧基或可被取代的烷基; Z表示电荷中和离子。

公开(公告)号：US06261737B1

公开(公告)日：2001-07-17

申请号：US09447257

申请日：1999-11-23

申请人： Shigeo Fujita ,  Nobuaki Sasaki ,  Yasuhisa Iwasaki

发明人： Shigeo Fujita ,  Nobuaki Sasaki ,  Yasuhisa Iwasaki

IPC分类号： G03C172

CPC分类号： B41M5/465 ,  B41C1/1041 ,  C07D491/04 ,  C09B23/0066 ,  Y10S430/145 ,  Y10S430/146

摘要： The invention provides near infrared absorbers showing high light-to-heat conversion efficiency and high sensitivity to laser beams whose emission region is within the range of 750 nm to 900 nm, plates for direct printing plate making, and novel compounds which can be used in such absorbers or plates. The compounds are polymethine compounds of the general formula (I) shown below and the near infrared absorbers comprise the polymethine compounds. In the formula, R1 represents an alkyl group, which may optionally be substituted, R2 represents a hydrogen atom or a lower alkyl group, R3 and R4 each independently represents a lower alkyl group or R3 and R4 may combinedly form a cyclic structure, L is an alkylene group which is required for the formation of a cyclic structure and may optionally be substituted, one or more carbon atoms of which cyclic structure may be replaced by some other atom(s) or atomic group(s), D and E each independently represents an oxygen atom or a methylene group, X represents a hydrogen or halogen atom or a substituted amino group, and Z represents a charge-neutralizing ion.

摘要翻译： 本发明提供了近红外吸收剂，其发光区域在750nm至900nm范围内的光 - 热转换效率和对灵敏度的高灵敏度，用于直接印版制版的板和可用于 这样的吸收器或板。 化合物是下述通式（I）的聚甲炔化合物，近红外吸收剂包括聚甲炔化合物。在该式中，R 1表示可任选被取代的烷基，R 2表示氢原子或低级烷基 ，R 3和R 4各自独立地表示低级烷基，或者R 3和R 4可以组合形成环状结构，L是形成环状结构所需的亚烷基，并且可以任意地被取代，其中一个或多个碳原子 环状结构可以被一些其它原子或原子团取代，D和E各自独立地表示氧原子或亚甲基，X表示氢或卤素原子或取代的氨基，Z表示 电荷中和离子。

公开(公告)号：US4087458A

公开(公告)日：1978-05-02

申请号：US794620

申请日：1977-05-06

申请人： Fumitoshi Emori ,  Yasuhisa Iwasaki ,  Takao Yoshimura

发明人： Fumitoshi Emori ,  Yasuhisa Iwasaki ,  Takao Yoshimura

IPC分类号： C07C51/373 ,  C07C65/20

CPC分类号： C07C51/373

摘要： This invention relates to an improvement in the process for preparation of 2-(amylbenzoyl)benzoic acid containing a high percentage of 2-(t-amylbenzoyl)benzoic acid. More particularly it relates to a process for preparation of 2-(amylbenozyl)benzoic acid wherein said 2-(amylbenzoyl)benzoic acid is prepared by reacting t-amylbenzene with phthalic anhydride in the presence of Lewis acid, characterized by that 2-(amylbenzoyl)benzoic acid containing a high percentage of 2-(t-amylbenzoyl)benzoic acid is produced by suppressing the undesirable isomerization reaction of the amyl radical by applying one of the means selected from the group consisting of the means of introducing an inert gas into the reaction system and the means of reducing the pressure of the reaction system. 2-(Amylbenzoyl)benzoic acid is a compound useful as the starting material of preparation of 2-amylanthraquinone which is an effective organic catalyst in the manufacture of hydrogen peroxide.

摘要翻译： 本发明涉及含有高百分比的2-（叔戊基苯甲酰基）苯甲酸的2-（戊基苯甲酰基）苯甲酸的制备方法的改进。 更具体地说，涉及制备2-（戊基苯甲酰基）苯甲酸的方法，其中所述2-（戊基苯甲酰基）苯甲酸通过在路易斯酸存在下使叔戊基苯与邻苯二甲酸酐反应来制备，其特征在于2-（戊基苯甲酰基） ）苯甲酸，其含有高百分比的2-（叔戊基苯甲酰基）苯甲酸是通过将选自由惰性气体引入惰性气体的方法中选择的一种方法抑制到所需的戊基自由基的不期望的异构化反应 反应体系和降低反应体系压力的手段。 2-（戊基苯甲酰基）苯甲酸是可用作制备过氧化氢的有效有机催化剂的2-戊基蒽醌的起始原料的化合物。

公开(公告)号：US5110952A

公开(公告)日：1992-05-05

申请号：US631677

申请日：1990-12-20

申请人： Hiroaki Harada ,  Yasuhisa Iwasaki

发明人： Hiroaki Harada ,  Yasuhisa Iwasaki

IPC分类号： C09B11/28 ,  C07D493/10 ,  C09B11/24 ,  C09B67/48

CPC分类号： C07D493/10 ,  C09B11/24

摘要： A method of producing a high melting point 3-dibutyl amino-6-methyl-7-anilinofluoran characterized by peaks at diffraction angle (2 .theta.) of 6.9.degree., 11.0.degree., 18.5.degree. and 18.9.degree. in X-ray diffractiometry using Cu-K .alpha. ray and having a melting point in the range of 179.degree.-186.degree. C., which comprises: condensing 2-(4-dibutylamino-2-hydroxy-benzoyl) benzoic acid with 4-methoxy-2-methyldiphenylamine in the presence of concentrated sulfuric acid to provide a phthalide at a temperature in the range of 0.degree.-50.degree. C., neutralizing the phthalide, and then subjecting the phthalide to ring closure reaction using an alkali in an amount of 0.5-15 mols per mol of the compound used in smaller amounts of 2-(4-dibutylamino-2-hydroxy-benzoyl) benzoic acid and 4-methoxy-2-methyldiphenylamine at a temperature of not less than 50.degree. C. in the presence or absence of an organic solvent.

公开(公告)号：US4523018A

公开(公告)日：1985-06-11

申请号：US435805

申请日：1982-10-21

申请人： Yojiro Kumagae ,  Yasuhisa Iwasaki

发明人： Yojiro Kumagae ,  Yasuhisa Iwasaki

IPC分类号： B41M5/132 ,  B41M5/136 ,  B41M5/20 ,  B41M5/323 ,  C07D213/50 ,  C07D213/80 ,  C07D401/14 ,  C07D471/04 ,  C07D519/00 ,  C09B57/00 ,  C07D401/02

CPC分类号： C07D401/14 ,  B41M5/136 ,  B41M5/323 ,  C07D213/50 ,  C07D471/04

摘要： Chromogenic compounds of colorless or lightly colored form are disclosed having the following structural formula: ##STR1## wherein X represents an optionally substituted aminophenyl, indolyl, julolidinyl, kairolyl, piperidinophenyl, pyrrolidinophenyl, morpholinyl, carbazolyl or indolizinyl radical. The compounds of this invention are eligible for use in pressure-sensitive and heat-sensitive record materials and manifold marking systems.

摘要翻译： 公开了无色或浅色形式的显色化合物，具有以下结构式：其中X表示任选取代的氨基苯基，吲哚基，高洛环基，开罗基，哌啶基苯基，吡咯烷基苯基，吗啉基，咔唑基或吲嗪基。 本发明的化合物可用于压敏和热敏记录材料和歧管标记系统。