专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US6103517A Process for the production of an optically active alcohol and a novel optically active alcohol 失效
标题翻译：用于制备光学活性醇和新型光学活性醇的方法
公开(公告)号：US6103517A
公开(公告)日：2000-08-15
申请号：US260482
申请日：1999-03-02
申请人： Takakiyo Mine , Hiroshi Mineta , Tomoyuki Yui , Masahiro Johno
发明人： Takakiyo Mine , Hiroshi Mineta , Tomoyuki Yui , Masahiro Johno
IPC分类号： C12P41/00
CPC分类号： C12P41/00
摘要： A process for the production of R-configuration or S-configuration optically active alcohol having the formula (1),CH.sub.3 C*H(OH)(CH.sub.2).sub.m OC.sub.n H.sub.2n+1 (1)wherein m is an integer of 3 to 5, n is an integer of 1 to 3, and C* is an asymmetric carbon,and the formula (2), which comprises carrying out the optical resolution of the racemic alcohol,CH.sub.3 CH(OH)(CH.sub.2).sub.m OC.sub.n H.sub.2n+1 (2)wherein m is an integer of 3 to 5 and n is an integer of 1 to 3,into an R-configuration compound and S-configuration compound by the asymmetric trans-esterification thereof is provided in the presence of vinyl propionate as an esterifying agent and a lipase as a catalyst.
摘要翻译：制备具有式（1）的CH 3 C * H（OH）（CH 2）m OC n H 2n + 1（1）的R构型或S-构型光学活性醇的方法，其中m为3至5的整数，n为 1〜3的整数，C *是不对称碳，式（2）包括进行外消旋醇的CH 3 CH（OH）（CH 2）mOC n H 2n + 1（2）的光学拆分，其中m为 3〜5的整数，n为1〜3的整数，作为R构型的化合物，通过不对称的酯交换反应，得到S构型的化合物，作为酯化剂而使用丙酸乙烯酯作为酯化剂，脂肪酶为催化剂

2. 发明授权

US6002042A Liquid crystal compound 失效
标题翻译：液晶复合物
公开(公告)号：US6002042A
公开(公告)日：1999-12-14
申请号：US6384
申请日：1998-01-13
申请人： Takakiyo Mine , Tomoyuki Yui , Masahiro Johno , Yuki Motoyama , Hiroshi Mineta
发明人： Takakiyo Mine , Tomoyuki Yui , Masahiro Johno , Yuki Motoyama , Hiroshi Mineta
IPC分类号： C07C69/94 , C09K19/02 , C09K19/20 , C07C69/76
CPC分类号： C07C69/94 , C09K19/02 , C09K19/2021
摘要： A liquid crystal compound represented by the following general formula (1): ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms, X and Y are both a hydrogen atom, or one of them is a hydrogen atom and the other is a fluorine atom, m is an integer of 0 to 5, n is an integer of 1 to 5, and C* is an asymmetric carbon atom. Since the liquid crystal compounds of the present invention have an anti-ferroelectric phase or a ferrielectric phase and the anti-ferroelectric phase or a ferrielectric phase has a highly practical phase sequence and wide temperature range, they are of great industrial value.
摘要翻译：由以下通式（1）表示的液晶化合物：其中R是具有6至12个碳原子的直链烷基，X和Y都是氢原子，或它们中的一个是氢原子，另一个是氢原子氟原子，m为0〜5的整数，n为1〜5的整数，C *为不对称碳原子。由于本发明的液晶化合物具有抗铁电相或铁电相，并且抗铁电相或电介质相具有高度实用的相序和宽的温度范围，因此具有很大的工业价值。

3. 发明授权

US5968413A Anti-ferroelectric liquid crystal compounds 失效
标题翻译：抗铁电液晶化合物
公开(公告)号：US5968413A
公开(公告)日：1999-10-19
申请号：US13912
申请日：1998-01-27
申请人： Takakiyo Mine , Tomoyuki Yui , Masahiro Johno , Hiroshi Mineta
发明人： Takakiyo Mine , Tomoyuki Yui , Masahiro Johno , Hiroshi Mineta
IPC分类号： G02F1/13 , C07C69/94 , C09K19/02 , C09K19/20 , C09K19/12 , C07C22/08 , C07C69/76
CPC分类号： C09K19/0266 , C07C69/94 , C09K19/2021
摘要： Novel anti-ferroelectric liquid crystal compounds of the formula (1), ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms, X is a hydrogen atom or a fluorine atom, n is an integer of 2 to 7, p is an integer of 0 to 2 and C* is an asymmetric carbon atom. The above anti-ferroelectric liquid crystal compounds have an anti-ferroelectric phase in a broad temperature range and have a low melting point, so that they can be advantageously used as a main component for a practically valuable liquid crystal material or as a component for a liquid crystal composition.
摘要翻译：式（1）的新型反铁电液晶化合物，其中R为碳原子数为6〜12的直链烷基，X为氢原子或氟原子，n为2〜7的整数，p为 0〜2的整数，C *为不对称碳原子。上述反铁电液晶化合物在宽温度范围内具有抗铁电相，具有低熔点，因此它们可有利地用作实际有价值的液晶材料的主要成分或作为用于液晶组成。

4. 发明授权

US6128065A Ferrielectric liquid crystal compound 失效
标题翻译：铁电液晶复合物
公开(公告)号：US6128065A
公开(公告)日：2000-10-03
申请号：US249085
申请日：1999-02-12
申请人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui
发明人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui
IPC分类号： C07C69/90 , C09K19/02 , C09K19/20 , C07C69/76 , C09K19/12
CPC分类号： C09K19/2021 , C07C69/90 , C09K19/02
摘要： A ferrielectric liquid crystal compound of the general formula (1), ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms, either each of X and Y is a hydrogen atom or one of X and Y is a hydrogen atom and the other is a fluorine atom, m is an integer of 1 to 2, n is 1 and C* is an asymmetric carbon. The above liquid crystal compound shows a ferrielectric phase in a wide temperature range and exhibits a fast response in spite of its small spontaneous polarization, and it is therefore remarkably useful for an active-matrix liquid crystal display device.
摘要翻译：通式（1）的电介质液晶化合物，其中R为碳原子数为6〜12的直链烷基，X和Y各自为氢原子，X和Y中的一个为氢原子，另一方为是氟原子，m是1〜2的整数，n是1，C *是不对称碳。上述液晶化合物在宽的温度范围内表现出电介质相，尽管其自发极化小，但反应快，因此对于有源矩阵液晶显示装置非常有用。

5. 发明授权

US5972243A Ferrielectric liquid crystal compound 失效
标题翻译：铁电液晶复合物
公开(公告)号：US5972243A
公开(公告)日：1999-10-26
申请号：US121123
申请日：1998-07-23
申请人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui , Yasue Yoshioka
发明人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui , Yasue Yoshioka
IPC分类号： C07C69/94 , C09K19/20 , C09K19/12 , C07C25/13 , C07C69/76
CPC分类号： C09K19/2021 , C07C69/94
摘要： A ferrielectric liquid crystal compound of the following general formula (1), ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms; X is a hydrogen atom or a fluorine atom; m and n are the same or different from each other, each being an integer of 1 to 3; and C* is an asymmetric carbon atom,the ferrielectric liquid crystal compound being remarkably valuable as a raw material for a liquid crystal display device since it shows a ferrielectric phase in a broad temperature range and shows a high-speed response in spite of its small spontaneous polarization.
摘要翻译：一种下述通式（1）的电介质液晶化合物，其中R是具有6至12个碳原子的直链烷基; X是氢原子或氟原子; m和n彼此相同或不同，各自为1至3的整数; C *是不对称碳原子，作为液晶显示装置的原料，电介质液晶化合物显示出广泛的温度范围内的电介质相，并且尽管呈现高速响应自发极化

6. 发明授权

US06197389B1 Ferrielectric liquid crystal compound 失效
标题翻译：铁电液晶复合物
公开(公告)号：US06197389B1
公开(公告)日：2001-03-06
申请号：US09351914
申请日：1999-07-14
申请人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui
发明人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui
IPC分类号： C09K1912
CPC分类号： C09K19/2021 , C07C69/94 , Y10T428/10
摘要： The present invention provides a ferrielectric liquid crystal compound represented by the following general formula (1), wherein R is a linear alkyl group having of 6 to 12 carbon atoms, X is a hydrogen atom or a fluorine atom, m is an integer of 1 to 3, n is an integer of 1 to 3, and C* is an asymmetric carbon atom. The ferrielectric liquid crystal compound of the present invention has a ferrielectric phase in a broad temperature range and shows a high speed response in spite of a small spontaneous polarization, and accordingly, it is very useful as a practical raw material for liquid crystal display device.
摘要翻译：本发明提供由以下通式（1）表示的电介质液晶化合物，其中R是具有6至12个碳原子的直链烷基，X是氢原子或氟原子，m是整数1 至3，n为1〜3的整数，C *为不对称碳原子。本发明的电介质液晶化合物在宽温度范围内具有电介质相，尽管存在小的速度反应自发极化，因此作为液晶显示装置的实用原料是非常有用的。

7. 发明授权

US6056892A Method for purifying liquid crystal 失效
标题翻译：液晶纯化方法
公开(公告)号：US6056892A
公开(公告)日：2000-05-02
申请号：US34403
申请日：1998-03-04
申请人： Yasue Yoshioka , Masahiro Johno , Tomoyuki Yui , Takakiyo Mine
发明人： Yasue Yoshioka , Masahiro Johno , Tomoyuki Yui , Takakiyo Mine
IPC分类号： C07C67/56 , C09K19/02 , C09K19/20 , C09K19/52 , B01D15/00
CPC分类号： C09K19/0266 , C07C67/56 , C09K19/00 , C09K19/2021
摘要： A process for purifying an anti-ferroelectric liquid crystal or a ferrielectric liquid crystal, which comprises the following steps 1 to 4,step 1: preparing a liquid crystal solution of an anti-ferroelectric liquid crystal or a ferrielectric liquid crystal to be purified in an aromatic hydrocarbon solvent,step 2; bringing the liquid crystal solution into contact with at least one adsorbent selected from the group consisting of zeolite, alumina and silica gel to separate the liquid crystal solution from the adsorbent,step 3; precision-filtering the resultant liquid crystal solution, andstep 4; removing the solvent from an obtained filtrate and recovering a purified liquid crystal,according to which process, there can be easily obtained a high-purity liquid crystal which shows a specific resistance value of at least 5.times.10.sup.12 .OMEGA..multidot.cm and a small thermal decomposition ratio, and which is therefore suitable as a raw material for a liquid crystal display device.
摘要翻译：一种用于纯化反铁电液晶或电介质液晶的方法，其包括以下步骤1至4，步骤1：制备待纯化的反铁电液晶或电介质液晶的液晶溶液芳烃溶剂，步骤2; 使液晶溶液与选自沸石，氧化铝和硅胶的至少一种吸附剂接触，以将液晶溶液与吸附剂分离，步骤3; 对所得液晶溶液进行精密过滤，步骤4; 从所得滤液中除去溶剂并回收纯化的液晶，根据该方法，可以容易地获得显示比电阻值为至少5×10 12欧米伽×厘米并具有小的热分解比的高纯度液晶，以及因此适合作为液晶显示装置的原料。

8. 发明授权

US06197216B1 Ferrielectric liquid crystal compound 失效
标题翻译：铁电液晶复合物
公开(公告)号：US06197216B1
公开(公告)日：2001-03-06
申请号：US09406771
申请日：1999-09-28
申请人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui
发明人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui
IPC分类号： C09K1912
CPC分类号： C09K19/02 , C07C69/94 , C09K19/2021 , Y10T428/10
摘要： A novel ferrielectric liquid crystal compound of the formula (1), wherein R is a linear alkyl group having 6 to 12 carbon atoms, X is a hydrogen atom or a fluorine atom, m is an integer of 1 to 3, n is an integer of 1 to 3, and C* is an asymmetric carbon atom. The ferrielectric liquid crystal compound of the invention characteristically has a ferrielectric phase in a broad temperature range and shows a high speed optical response in spite of a small spontaneous polarization.
摘要翻译：一种式（1）的新型电介质液晶化合物，其中R是具有6至12个碳原子的直链烷基，X是氢原子或氟原子，m是1至3的整数，n是整数为1〜3，C *为不对称碳原子。本发明的电介质液晶化合物特征在于在宽温度范围内具有电介质相，尽管存在小的自发极化，但显示出高速的光学响应。

9. 发明授权

US6133469A Anti-ferroelectric liquid crystal compound 失效
标题翻译：抗铁电液晶复合物
公开(公告)号：US6133469A
公开(公告)日：2000-10-17
申请号：US365843
申请日：1999-08-03
申请人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui
发明人： Takakiyo Mine , Masahiro Johno , Tomoyuki Yui
IPC分类号： C09K19/00 , C07C69/94 , C09K19/02 , C09K19/20 , C07C69/76 , C09K19/12
CPC分类号： C09K19/0266 , C07C69/94 , C09K19/2021
摘要： A novel anti-ferroelectric liquid crystal compounds of the formula (1), ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms, X is a hydrogen atom or a fluorine atom, m is an integer of 1 to 3, n is an integer of 1 or 2, and C* is an asymmetric carbon atom.The above anti-ferroelectric liquid crystal compounds have an anti-ferroelectric phase in a broad temperature range, so that they can be advantageously used as a main component for a liquid crystal material for practical use or as a component for a liquid crystal composition.
摘要翻译：一种式（1）的新型反铁电液晶化合物，其中R为碳原子数为6〜12的直链烷基，X为氢原子或氟原子，m为1〜3的整数，n为 1或2的整数，C *是不对称碳原子。上述反铁电液晶化合物在宽温度范围内具有抗铁电相，可有利地用作实际使用的液晶材料的主要成分或用作液晶组合物的成分。

10. 发明授权

US06258296B1 Fluorine-substituted compounds and ferrielectric liquid-crystal composition containing the same 失效
标题翻译：氟取代的化合物和含有它们的电介质液晶组合物
公开(公告)号：US06258296B1
公开(公告)日：2001-07-10
申请号：US09462988
申请日：2000-01-19
申请人： Masahiro Johno , Yuki Motoyama , Takahiro Matsumoto , Hiroshi Mineta , Tomoyuki Yui
发明人： Masahiro Johno , Yuki Motoyama , Takahiro Matsumoto , Hiroshi Mineta , Tomoyuki Yui
IPC分类号： C09K1920
CPC分类号： C09K19/2007 , C07C69/92 , C09K19/02
摘要： A fluorine-substituted compound of the following general formula (1) or (2), and a ferrielectric liquid crystal composition comprising the above compound and a specific ferrielectric liquid crystal compound, wherein, in the formula (1), each of X1 and X2 is a hydrogen atom, or one of them is a hydrogen atom and the other is a fluorine atom, p is an integer of 0 to 3 and q is an integer of 1 to 3, and in the formula (2), each of X1 and x2 is a hydrogen atom, or one of them is a hydrogen atom and the other is a fluorine atom, p is an integer of 1 to 3 and q is an integer of 1 to 3.
摘要翻译：下述通式（1）或（2）的氟取代的化合物，以及包含上述化合物和特定的电介质液晶化合物的电介质液晶组合物，其中，在式（1）中，X 1和X 2 是氢原子，其中一个为氢原子，另一个为氟原子，p为0〜3的整数，q为1〜3的整数，式（2）中，X 1 x2为氢原子，其中一个为氢原子，另一个为氟原子，p为1〜3的整数，q为1〜3的整数。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式