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1. 发明授权

US4892676A Phenyl pyrimidine compound and liquid crystalline composition 失效
标题翻译：苯基嘧啶化合物和液晶组合物
公开(公告)号：US4892676A
公开(公告)日：1990-01-09
申请号：US94290
申请日：1987-09-08
申请人： Takao Sakurai , Tadahiko Yokota , Eri Komatsu , Naoko Mikami , Ryoichi Higuchi , Koji Takeuchi
发明人： Takao Sakurai , Tadahiko Yokota , Eri Komatsu , Naoko Mikami , Ryoichi Higuchi , Koji Takeuchi
IPC分类号： C07D239/36 , C07D239/34 , C09K19/34 , C09K19/42 , C09K19/44 , C09K19/46 , G02F1/137 , G02F1/141
CPC分类号： C09K19/3458 , C07D239/34
摘要： A phenyl pyrimidine compound of this invention represented by the following formula (I) forms a smectic C phase and is useful for a constituent of a ferroelectric liquid crystal composition.R.sub.1 --Ph--Py--R.sub.2 (I)wherein Ph represents 1,4-phenylene group, Py represents 2,5-pyrimidine, R.sub.1 and R.sub.2 represent independently an acyloxy group or alkoxy group, either R.sub.1 or R.sub.2 represents a linear acyloxy group or a linear alkoxy group having more than seven carbon atoms. The compound of this invention has a properties of .circle.1 a low viscosity, .circle.2 of forming a smectic C phase (Sc), .circle.3 of being more than 70.degree. C. of an upper limit temperature of a Sc phase. By applying these properties it is able to give a good alignment effect of a composition comprising the compound using a conventional alignment effect of a TN type cell.

2. 发明授权

US4695651A Biphenyl-based diester compounds and liquid crystal compositions containing same 失效
标题翻译：联苯基二酯化合物和含有它们的液晶组合物
公开(公告)号：US4695651A
公开(公告)日：1987-09-22
申请号：US774484
申请日：1985-09-10
申请人： Ryoichi Higuchi , Takao Sakurai , Naoko Mikami , Kiriko Akaiwa , Koji Takeuchi
发明人： Ryoichi Higuchi , Takao Sakurai , Naoko Mikami , Kiriko Akaiwa , Koji Takeuchi
IPC分类号： C07C69/353 , C09K19/12 , C09K19/20 , C09K19/52 , G02F1/13
CPC分类号： C09K19/126 , C09K19/2021
摘要： A liquid crystal compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 represent C.sub.1-18 alkyl group, alkyl halide group or aralkyl halide, R.sup.1 may be the same as or different from R.sup.2, X is selected from --COOCH.sub.2 -- or --OCO--.
摘要翻译：下式的液晶化合物：其中R 1和R 2表示C 1-18烷基，卤代烷基或芳烷基卤，R 1可以相同或不同，R 2选自-COOCH 2 - 或-OCO - 。

3. 发明授权

US5101011A Aligning agent for liquid crystals comprising poly alpha-amino acid having no optical activity 失效
标题翻译：包含不具有光学活性的聚α-氨基酸的液晶的对准剂
公开(公告)号：US5101011A
公开(公告)日：1992-03-31
申请号：US554861
申请日：1990-07-20
申请人： Naoko Mikami , Takao Sakurai
发明人： Naoko Mikami , Takao Sakurai
IPC分类号： C08G69/10 , G02F1/1337 , G02F1/141
CPC分类号： C08G69/10 , G02F1/133711 , G02F1/141
摘要： An aligning agent for liquid crystals containing a polyamino acid having no optical activity.
摘要翻译：含有不具有光学活性的聚氨基酸的液晶用取向剂。

4. 发明授权

US4728458A Polyphenyl-based ester compounds and liquid crystal compositions containing same 失效
标题翻译：聚苯基酯化合物和含有它们的液晶组合物
公开(公告)号：US4728458A
公开(公告)日：1988-03-01
申请号：US827449
申请日：1986-02-10
申请人： Ryoichi Higuchi , Takao Sakurai , Tatsuru Tabohashi , Naoko Mikami , Kiriko Akaiwa , Eri Yamamoto , Koji Takeuchi
发明人： Ryoichi Higuchi , Takao Sakurai , Tatsuru Tabohashi , Naoko Mikami , Kiriko Akaiwa , Eri Yamamoto , Koji Takeuchi
IPC分类号： C07C69/773 , C09K19/12 , C09K19/20 , C07C69/78 , C07C69/86 , G02F1/13
CPC分类号： C09K19/2021 , C09K19/126
摘要： Polyphenyl-based liquid crystal compounds represented by the following general formula (1) and liquid crystal composition containing the same: ##STR1## wherein R.sup.1 represents a straight or branched C.sub.1-18 alkyl group, haloalkyl group, aralkyl group or haloaralkyl group with or without optically active carbon, R.sup.2 represents a straight or branched C.sub.1-6 alkyl group, haloalkyl group or aralkyl group with or without optically active carbon, W represents (1) --OCO-- or --COO--, in which case T represents a halogen atom or a methyl group, or (2) a single bond, --O-- or --OCOO--, in which case T represents a halogen atom, X represents --OCO--, --COO--, --C.tbd.C--, --CH.dbd.N--, --N.dbd.CH, Y represents single bond, --O--, --COO--, --OCO--, --CH.sub.2 --, --OCH.sub.2 --, --COOCH.sub.2 -- or --OCOCH.sub.2 --, Z.sub.1 and Z.sub.2 represent a hydrogen or halogen atom, a cyano group or nitro group, Z.sub.1 may be the same or different from Z.sub.2, l and m are one or more than one each and a total of l and m is three or more than three, the carbon atom marked with * is an asymmetric carbon atom.
摘要翻译：由以下通式（1）表示的聚苯基液晶化合物和含有它们的液晶组合物：其中R 1表示直链或支链C 1-18烷基，卤代烷基，芳烷基或卤代烷基具有或不具有光学活性碳，R 2表示具有或不具有光学活性碳的直链或支链C 1-6烷基，卤代烷基或芳烷基，W表示（1）-OCO-或-COO-，在这种情况下，T表示卤素原子或甲基，或（2）单键，-O-或-OCOO-，在这种情况下，T表示卤素原子，X表示-OCO - ， - COO - ， - C 3BOND C - ， - CH = N，-N = CH，Y表示单键，-O - ， - COO - ， - OCO - ， - CH 2 - ， - OCH 2 - ， - COCH 2 CH 2 - 或-OCOCH 2 - ，Z 1和Z 2表示氢或卤素原子，氰基或硝基，Z1可以相同或不同于Z2，l和m分别为1或多于1个，并且总共1和m为3或大于3，用*表示的碳原子是一个asy 毫米碳原子。

5. 发明授权

US5334713A N-long chain acyl neutral amino acid esters 失效
标题翻译： N-长链酰基中性氨基酸酯
公开(公告)号：US5334713A
公开(公告)日：1994-08-02
申请号：US964310
申请日：1992-10-21
申请人： Tatsuya Hattori , Naoko Mikami
发明人： Tatsuya Hattori , Naoko Mikami
IPC分类号： A61K8/30 , A61K8/00 , A61K47/18 , A61Q1/00 , A61Q1/04 , A61Q1/12 , A61Q5/00 , A61Q19/00 , C07C233/47 , C07J41/00 , C07J43/00
CPC分类号： C07J43/003 , C07J41/0055
摘要： The present invention relates to N-long chain acyl neutral amino acid esters of the general formula (I): ##STR1## wherein X represents an ester-forming residue of a sterol; COR represents a long chain acyl group having 8 to 22 carbon atoms; R.sub.1 and R.sub.2 are identical or different from each other, each represents a hydrogen atom or a straight chain or branched alkyl group having 1 to 4 carbon atoms, or R.sub.1 and R.sub.2 together form an alkylene group; and n represents 0, 1 or 2. The compounds are particularly useful in cosmetic or pharmaceutical preparations for external use.
摘要翻译：本发明涉及通式（I）的N-长链酰基中性氨基酸酯：其中X代表固醇的酯形成残基; COR表示碳原子数为8〜22的长链酰基， R1和R2彼此相同或不同，分别表示氢原子或碳原子数1〜4的直链或支链烷基，或者R1，R2一起形成亚烷基。并且n表示0,1或2.该化合物特别适用于外用的化妆品或药物制剂。

6. 发明授权

US5100579A Polyphenyl-based ester compounds and liquid crystal compositions containing same 失效
标题翻译：基于聚苯醚的酯化合物和含有其的液晶组合物
公开(公告)号：US5100579A
公开(公告)日：1992-03-31
申请号：US418341
申请日：1989-10-06
申请人： Ryoichi Higuchi , Takao Sakurai , Tatsuru Tabohashi , Naoko Mikami , Kiriko Akaiwa , Eri Yamamoto , Koji Takeuchi
发明人： Ryoichi Higuchi , Takao Sakurai , Tatsuru Tabohashi , Naoko Mikami , Kiriko Akaiwa , Eri Yamamoto , Koji Takeuchi
IPC分类号： C07C69/773 , C09K19/12 , C09K19/20
CPC分类号： C09K19/2021 , C09K19/126
摘要： Polyphenyl-based liquid crystal compounds represented by the following general formula (1) and liquid crystal composition containing the same: ##STR1## wherein R.sup.1 represents a straight or branched C.sub.1-18 alkyl group, haloalkyl group, aralkyl group or haloaralkyl group with or without optically active carbon, R.sup.2 represents a straight or branched C.sub.1-6 alkyl group, haloalkyl group or aralkyl group with or without optically active carbon, W represents (1) --OCO-- or --COO--, in which case T represents a halogen atom or a methyl group, or (2) a single bond, --O-- or --OCOO--, in which case T represents a halogen atom, X represents --OCO--, --COO--, --C.dbd.C--, --CH.dbd.N--, --N.dbd.CH, Y represents single bond, --O--, --COO--, --OCO--, --CH.sub.2 --, --OCH.sub.2 --, --COOCH.sub.2 -- or --OCOCH.sub.2 --, Z.sub.1 and Z.sub.2 represents a hydrogen or halogen atom, a cyano group or nitro group, Z.sub.1 may be the same or different from Z.sub.2, l and m are one or more than one each and a total of l and m is three or more than three, the carbon atom marked with * is an asymmetric carbon atom.

7. 发明授权

US4911861A Polyphenyl-based ester compounds and liquid crystal compositions containing same 失效
标题翻译：聚苯基酯化合物和含有它们的液晶组合物
公开(公告)号：US4911861A
公开(公告)日：1990-03-27
申请号：US121071
申请日：1987-11-16
申请人： Ryoichi Higuchi , Takao Sakurai , Tatsuru Tabohashi , Naoko Mikami , Kiriko Akaiwa , Eri Yamamoto , Koji Takeuchi
发明人： Ryoichi Higuchi , Takao Sakurai , Tatsuru Tabohashi , Naoko Mikami , Kiriko Akaiwa , Eri Yamamoto , Koji Takeuchi
IPC分类号： C07C69/773 , C09K19/12 , C09K19/20 , C07C69/78 , C07C69/96
CPC分类号： C09K19/2021 , C09K19/126
摘要： Polyphenyl-based liquid crystal compounds represented by the following general formula (1) and liquid crystal composition containing the same: ##STR1## wherein R.sup.1 represents a straight or branched C.sub.1-18 alkyl group, haloalkyl group, aralkyl group or haloaralkyl group with or without optically active carbon, R.sup.2 represents a straight or branched C.sub.1-6 alkyl group, haloalkyl group or aralkyl group with or without optically active carbon, W represents (1) --OCO-- or --COO--, in which case T represents a halogen atom or a methyl group, or (2) a single bond, --O-- or --OCOO--, in which case T represents a halogen atom, X represents --OCO--, --COO--, --C.dbd.C--, --CH.dbd.N--, --N.dbd.CH, Y represents single bond, --O--, --COO--, --OCO--, --CH.sub.2 --, --OCH.sub.2 --, --COOCH.sub.2 -- or --OCOCH.sub.2 --, Z.sub.1 and Z.sub.2 represent a hydrogen or halogen atom, a cyano group or nitro group, Z.sub.1 may be the same or different from Z.sub.2, l and m are one or more than one each and a total of l and m is three or more than three, the carbon atom marked with * is an asymmetric carbon atom.

8. 发明授权

US4874542A Phenyl-pyrimidine liquid crystal compounds and liquid crystal compositions containing the same 失效
标题翻译：苯基嘧啶液晶化合物和含有它们的液晶组合物
公开(公告)号：US4874542A
公开(公告)日：1989-10-17
申请号：US176154
申请日：1988-03-31
申请人： Ryoichi Higuchi , Takao Sakurai , Tadahiko Yokota , Naoko Mikami , Eri Yamamoto , Koji Takeuchi
发明人： Ryoichi Higuchi , Takao Sakurai , Tadahiko Yokota , Naoko Mikami , Eri Yamamoto , Koji Takeuchi
IPC分类号： C07D239/26 , C07D239/30 , C07D239/34 , C09K19/34 , C09K19/46
CPC分类号： C07D239/26 , C07D239/34 , C09K19/3458
摘要： A phenyl-pyrimidine liquid crystal compound represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and each represent an alkyl group having 1 to 18 carbon atoms, and X and Y each represent one of a single bond, --O--, --OCO--, --COO-- and --OCOO--, provided that one of X and Y is --OCOO--.

9. 发明授权

US4732699A Biphenyl carbonic acid ester compounds and liquid crystal composition containing the same 失效
标题翻译：联苯碳酸酯化合物和含有它们的液晶组合物
公开(公告)号：US4732699A
公开(公告)日：1988-03-22
申请号：US878798
申请日：1986-06-26
申请人： Ryoichi Higuchi , Takao Sakurai , Naoko Mikami , Kiriko Akaiwa , Koji Takeuchi
发明人： Ryoichi Higuchi , Takao Sakurai , Naoko Mikami , Kiriko Akaiwa , Koji Takeuchi
IPC分类号： C09K19/12 , G02F1/13 , C07C69/96
CPC分类号： C09K19/126
摘要： A liquid crystal compound represented by the following general formula (1), which possess a large spontaneous polarization about room temperature and a liquid crystal composition containing a liquid crystal compound represented by the following general formula (1) ##STR1## wherein R.sup.1 represents C.sub.6-14 alkyl group, R.sup.2 represents straight or branched alkyl group with or without optically active carbon, X represents a group selected from --OCOO--, --O--, --COO--, --OCO-- or single bond, Y represents a group selected from --COOCH.sub.2 --, --OCO-- or --OCOO--, in which either X or Y is at least --OCOO-- group, m represents 0 or 1, Z represents a chlorine or bromine, a carbon atom marked with * represents optically active carbon atom.
摘要翻译：由以下通式（1）表示的液晶化合物，其具有室温附近的自发极化自由度以及含有下述通式（1）表示的液晶化合物的液晶组合物，其中R1 表示C6-14烷基，R2表示带或不含光学活性炭的直链或支链烷基，X表示选自-OCOO + 13，-O - ， - COO-，-OCO-或单键的基团，Y表示选自-COOCH 2 - ， - OCO-或-OCOO-的基团，其中X或Y至少为-OOOO-，m表示0或1，Z表示氯或溴，用*表示的碳原子表示光学活性碳原子。

10. 发明授权

US5403511A Ferroelectric liquid crystal composition and ferroelectric liquid crystal display device 失效
标题翻译：铁电液晶组成和铁电液晶显示装置
公开(公告)号：US5403511A
公开(公告)日：1995-04-04
申请号：US908605
申请日：1992-06-29
申请人： Hiroyuki Onishi , Kazuhiro Johten , Tsuyoshi Uemura , Takao Sakurai , Naoko Mikami , Tadahiko Yokota
发明人： Hiroyuki Onishi , Kazuhiro Johten , Tsuyoshi Uemura , Takao Sakurai , Naoko Mikami , Tadahiko Yokota
IPC分类号： C09K19/54 , C09K19/58 , G02F1/137 , C09K19/52 , C09K19/06 , G02F1/13
CPC分类号： C09K19/584
摘要： Characteristics of a ferroelectric liquid crystal show that ionic impurities deteriorate its display quality to a great extent. The present invention provides a ferroelectric liquid crystal display device of good display quality without the deterioration of display characteristics, as a result of trapping the ionic impurities effectively by adding an organic material which traps ions and which lowers conductivity of a liquid crystal layer thereto.
摘要翻译：铁电液晶的特性表明离子性杂质在很大程度上降低了显示质量。本发明提供了一种具有良好显示质量的铁电液晶显示装置，由于通过添加有机材料捕获离子并降低其液晶层的电导率，因此有效地捕获离子杂质的结果，不会导致显示特性的劣化。

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