公开(公告)号：EP0348094A1

公开(公告)日：1989-12-27

申请号：EP89306010.3

申请日：1989-06-14

申请人： MITSUI TOATSU CHEMICALS, Inc.

发明人： Takenaka, Shinji ,  Oi, Ryu ,  Shimakawa, Chitoshi

IPC分类号： C25B3/04

CPC分类号： C25B3/04 ,  C07C33/22

摘要： Disclosed herein is a process for the electro-­reduction of aromatic acids comprising reducing an aromatic carboxylic acid electrolytically in an aqueous acidic solution (2) the use of a material of a low oxygen overvoltage as the anode (3) for oxygen generation, thereby producing the corresponding benzyl alcohol in high yield in a single electrolytic apparatus (1).

摘要翻译： 本文公开了一种芳族酸的电还原方法，包括在酸性水溶液中电解还原芳族羧酸（2）使用低氧过电压材料作为氧气产生的阳极（3），从而产生 相应的苯甲醇在单个电解设备（1）中高产率。

公开(公告)号：EP0669379A1

公开(公告)日：1995-08-30

申请号：EP95301216.8

申请日：1995-02-24

申请人： MITSUI TOATSU CHEMICALS, Inc.

发明人： Ogiso, Akira ,  Oi, Ryu ,  Imai, Rihoko ,  Matsuzaki, Yoriaki ,  Misawa, Tsutami ,  Itoh, Hisato

IPC分类号： C09B25/00 ,  G02B5/30 ,  C09K19/60

CPC分类号： G02B5/3033 ,  C09B25/00 ,  G02F1/133528

摘要： Novel quinophthalone compounds, which are represented by the following formula (1):

R₁-R₅ each independently represents a hydrogen or halogen atom or a hydroxy, linear or branched alkyl, substituted or unsubstituted cycloalkyl, halogenated alkyl, alkoxyalkyl, alkoxy, nitro, amino, alkylamino, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, alkylcarbonylamino, alkylcarbonyloxy or cyano group; R₆-R₁₇ each independently represents a hydrogen or halogen atom or a hydroxyl, alkyl, halogenated alkyl, alkoxy, nitro, amino, alkylamino, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, alkylcarbonyloxy or cyano group; m and n each stands . for 0 or 1; and A represents a substituent, are yellow orange dyestuffs suitable for polarizing films. Polarizing films containing at least one of the compounds in a hydrophobic resin are excellent in polarizing performance, heat-resistant dimensional stability, moist heat resistance and the like and are extremely useful for liquid crystal display devices.

摘要翻译： 由下式（1）表示的新型喹酞酮化合物： R 1 -R 5各自独立地表示氢或卤素原子或羟基，直链或支链烷基，取代或未取代的环烷基，卤代烷基，烷氧基烷基，烷氧基， 硝基，氨基，烷基氨基，羧基，烷氧基羰基，氨基羰基，烷基氨基羰基，烷基羰基氨基，烷基羰基氧基或氰基; R6-R17各自独立地表示氢或卤素原子或羟基，烷基，卤代烷基，烷氧基，硝基，氨基，烷基氨基，羧基，烷氧基羰基，氨基羰基，烷基氨基羰基，烷基羰基氧基或氰基。 m和n每个站。 0或1; A代表取代基，是适用于偏光膜的黄橙色染料。 在疏水性树脂中含有至少一种化合物的偏光膜的偏振性，耐热尺寸稳定性，耐湿热性等优异，对液晶显示装置非常有用。

公开(公告)号：EP0619345A1

公开(公告)日：1994-10-12

申请号：EP94105232.6

申请日：1994-04-02

申请人： MITSUI TOATSU CHEMICALS, Inc. ,  YAMAMOTO CHEMICALS, INC.

发明人： Oguchi, Takahisa ,  Umehara, Hideki ,  Sugimoto, Kenichi ,  Oi, Ryu ,  Itoh, Hisato

IPC分类号： C09B47/18 ,  G11B7/24

CPC分类号： C09B47/18 ,  G11B7/248 ,  Y10T428/21

摘要： A phthalocyanine represented by the formula (1)

wherein each of R¹, R², R³ and R⁴ is independently an alkyl group substituted by 0 to 5 halogen atoms and having 1 to 20 carbon atoms, an alkenyl group substituted by 0 to 5 halogen atoms and having 2 to 20 carbon atoms or an alkynyl group substituted by 0 to 5 halogen atoms and having 2 to 20 carbon atoms, and at least one of R¹, R², R³ and R⁴ is substituted by the halogen atom; X is a halogen atom; each of k, ℓ, m and n is independently a value of from 0 to 3; each of o, p, q and r is independently a value of 0, 1 or 2, and all of them are not 0 simultaneously; each sum of k and o, ℓ and p, m and q, and n and r is independently in the range of from 0 to 4; Met is two hydrogen atoms, a divalent metal atom, a trivalent mono-substituted metal atom, a tetravalent di-substituted metal atom or an oxy-metal atom; an optical recording medium formed by adding this phthalocyanine to a recording layer; and a near infra-red absorbing agent comprising the phthalocyanine. The above-mentioned phthalocyanine can be used to provide the optical recording medium having excellent characteristics of reflectance, sensitivity, recording properties, stability to reproduction light, shelf stability and the like.

摘要翻译： 由式（1）表示的酞菁其中R 1，R 2，R 3和R 4各自独立地是被0至5个卤素原子取代的烷基，并且具有1至 20个碳原子，被0至5个卤素原子取代且具有2至20个碳原子的链烯基或被0至5个卤素原子取代且具有2至20个碳原子的炔基，R 1， R 2，R 3和R 4被卤素原子取代; X是卤原子; k，l，m和n中的每一个独立地为0至3的值; o，p，q和r各自独立地为0,1或2的值，并且它们都不同时为0; k和o，l和p，m和q之间的每个和，以及n和r独立地在0至4的范围内; Met是两个氢原子，二价金属原子，三价单取代金属原子，四价二取代金属原子或氧 - 金属原子; 通过将该酞菁添加到记录层而形成的光记录介质; 和包含酞菁的近红外线吸收剂。 上述酞菁可用于提供具有优异的反射率，灵敏度，记录性能，再现光稳定性，搁架稳定性等的光记录介质。

公开(公告)号：EP0575816A1

公开(公告)日：1993-12-29

申请号：EP93109251.4

申请日：1993-06-09

申请人： MITSUI TOATSU CHEMICALS, Inc. ,  YAMAMOTO CHEMICALS, INC.

发明人： Itoh, Hisato ,  Oguchi, Takahisa ,  Sugimoto, Kenichi ,  Oi, Ryu ,  Umehara, Hideki ,  Aihara, Shin

IPC分类号： G11B7/24 ,  C09B47/04 ,  C09B47/06

CPC分类号： G11B7/249 ,  C09B47/0675 ,  G11B7/244 ,  G11B7/248

摘要： The present invention provides a light-absorbing compound represented by the formula (I):



        Dye-(OR¹)(OR²)(OR³) ··· (OR n )   (I)



wherein Dye is a light-absorbing compound residue having at least one aromatic ring; OR¹ to OR n are substituents on the aromatic ring, and are independently (a) substituted or unsubstituted saturated hydrocarbonoxy groups having 1 to 20 carbon atoms, or (b) substituted or unsubstituted unsaturated hydrocarbonoxy groups having 2 to 20 carbon atoms, and at least one of OR¹ to OR n is an unsaturated hydrocarbonoxy group; and n is a value of from 1 to 10. The present invention also provides an optical recording medium containing the above-mentioned light-absorbing compound in a recording layer.

摘要翻译： 本发明提供由式（I）表示的光吸收化合物：染料 - （OR 1）（OR 2）（OR 3）（OR n）（I）其中 染料是具有至少一个芳香环的光吸收化合物残基; OR 1至OR n是芳环上的取代基，并且独立地为（a）取代或未取代的具有1至20个碳原子的饱和烃氧基， 或（b）取代或未取代的碳原子数2〜20的不饱和烃氧基，OR 1〜OR n中的至少一个为不饱和烃氧基，n为1〜10的整数。 本发明还提供了在记录层中含有上述光吸收化合物的光学记录介质。

公开(公告)号：EP0202838B1

公开(公告)日：1991-09-18

申请号：EP86303595.2

申请日：1986-05-12

申请人： MITSUI TOATSU CHEMICALS, Inc.

发明人： Takenaka, Shinji ,  Oi, Ryu

IPC分类号： C07C43/295 ,  C07C41/16

CPC分类号： C07C41/16 ,  C07C43/295

公开(公告)号：EP0202838A3

公开(公告)日：1988-07-20

申请号：EP86303595

申请日：1986-05-12

申请人： MITSUI TOATSU CHEMICALS, Inc.

发明人： Takenaka, Shinji ,  Oi, Ryu

IPC分类号： C07C43/295 ,  C07C41/16

CPC分类号： C07C41/16 ,  C07C43/295

摘要： A process for producing m-phenoxybenzyl alcohol which comprises reacting chlorobenzene with m-hydroxybenzyl alcohol in the presence of a copper compound as a catalyst and a base, characterized in that chlorobenzene is added to a polar solvent having a higher boiling point than chlorobenzene, the amount of chlorobenzene being 0.05 to 4.0 times the weight of the polar solvent; at least one compound selected from alkali hydroxides, alkali carbonates and alkali bicarbonates is used as the base in an amount of 1.0 to 2.0 gram-equivalents per mole of m-hydroxybenzyl alcohol; and the reaction is carried out at a temperature of 140 to 200 °C while removing the generated water as an azeotrope with chlorobenzene.

公开(公告)号：EP0394042B1

公开(公告)日：1993-03-31

申请号：EP90304218.2

申请日：1990-04-19

申请人： MITSUI TOATSU CHEMICALS, Inc.

发明人： Oi, Ryu ,  Shimakawa, Chitoshi ,  Takenaka, Shinji

IPC分类号： C07C43/295 ,  C07C41/16

CPC分类号： C07C41/16 ,  C07C43/295

公开(公告)号：EP0202838A2

公开(公告)日：1986-11-26

申请号：EP86303595.2

申请日：1986-05-12

申请人： MITSUI TOATSU CHEMICALS, Inc.

发明人： Takenaka, Shinji ,  Oi, Ryu

IPC分类号： C07C43/295 ,  C07C41/16

CPC分类号： C07C41/16 ,  C07C43/295

摘要： A process for producing m-phenoxybenzyl alcohol which comprises reacting chlorobenzene with m-hydroxybenzyl alcohol in the presence of a copper compound as a catalyst and a base, characterized in that chlorobenzene is added to a polar solvent having a higher boiling point than chlorobenzene, the amount of chlorobenzene being 0.05 to 4.0 times the weight of the polar solvent; at least one compound selected from alkali hydroxides, alkali carbonates and alkali bicarbonates is used as the base in an amount of 1.0 to 2.0 gram-equivalents per mole of m-hydroxybenzyl alcohol; and the reaction is carried out at a temperature of 140 to 200 °C while removing the generated water as an azeotrope with chlorobenzene.

公开(公告)号：EP0688830A1

公开(公告)日：1995-12-27

申请号：EP95304232.2

申请日：1995-06-19

申请人： MITSUI TOATSU CHEMICALS, Inc.

发明人： Matsuzaki, Yoriaki ,  Oi, Ryu ,  Imai, Rihoko ,  Takuma, Keisuke ,  Itoh, Hisato

IPC分类号： C09B31/02 ,  C09B31/16 ,  C09B45/24 ,  G02B5/30

CPC分类号： C09B31/16 ,  C09B31/02 ,  C09B45/24 ,  G02B5/3033

摘要： The present invention provides a polarizing film having high heat resistance and a high degree of polarization and excellent optical properties by dyeing a polymer film with a novel azo compound represented by the following formula (1) or (2):


wherein Y represents a group represented by the following formula (1a) or (1b):

For example, polyvinyl alcohol film was dyed with compound (B):

and stretched to produce a film with excellent polarising properties which were unimpaired after storage at 80° and 85% RH for 500h.

摘要翻译： 本发明提供一种通过用下述式（1）或（2）表示的新型偶氮化合物对聚合物膜进行染色而具有高耐热性和高极化性和优异的光学性能的偏振膜： 其中Y表示由下式（1a）或（1b）表示的基团：＆lt; CHEM＆gt;例如，将聚乙烯醇膜用化合物（B）：染色，并拉伸，得到极性优异的膜， 在80℃和85％RH下保存500小时后不受损伤。

公开(公告)号：EP0394042A1

公开(公告)日：1990-10-24

申请号：EP90304218.2

申请日：1990-04-19

申请人： MITSUI TOATSU CHEMICALS, Inc.

发明人： Oi, Ryu ,  Shimakawa, Chitoshi ,  Takenaka, Shinji

IPC分类号： C07C43/295 ,  C07C41/16

CPC分类号： C07C41/16 ,  C07C43/295

摘要： A process for producing m-phenoxybenzyl alcohol by reacting chlorobenzene with m-hydroxybenzyl alcohol in the presence of a copper catalyst and a base, the process being characterized by using an alkylene glycol as a reaction solvent.

摘要翻译： 一种在铜催化剂和碱存在下使氯苯与间羟基苄醇反应生产间苯氧基苄醇的方法，该方法的特征在于使用亚烷基二醇作为反应溶剂。