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71. 发明授权

US6057007A Tristable liquid crystal display device 失效
标题翻译：三态液晶显示装置
公开(公告)号：US6057007A
公开(公告)日：2000-05-02
申请号：US131711
申请日：1998-08-10
申请人： Takashi Amano , Michael P. Keyes , Steven J. Martin , Marc D. Radcliffe , Patricia M. Savu , Daniel C. Snustad
发明人： Takashi Amano , Michael P. Keyes , Steven J. Martin , Marc D. Radcliffe , Patricia M. Savu , Daniel C. Snustad
IPC分类号： G02F1/141 , C09K19/02 , C09K19/04 , C09K19/12 , C09K19/30 , C09K19/32 , C09K19/34 , C09K19/54 , G02F1/13 , G02F1/1335 , G02F1/1343
CPC分类号： C09K19/0266 , C09K19/04 , C09K19/34 , C09K19/345 , C09K19/3469 , C09K19/3497 , Y10T428/1036
摘要： A tristable liquid crystal display device comprises (a) first and second opposed substrates, at least one bearing an alignment coating and each bearing at least one electrode so as to define one or a plurality of pixels; (b) a tilted smectic or induced tilted smectic liquid crystal composition disposed between the substrates; and (c) a pair of orthogonally disposed polarizers, each having a polarization axis, one polarization axis being aligned with the zero field optical axis of a tilted smectic or induced tilted smectic mesophase of the liquid crystal composition; wherein the substrates are disposed so as to provide an alignment of the liquid crystal composition, the composition comprising at least one chiral liquid crystal compound that can be represented by the following formula:R--M--N--(P).sub.b --OCH.sub.2 C*HF--CH.sub.2 O(CH.sub.2).sub.a R.sub.f(I)where M, N, and P are independently selected from the group consisting of aromatic, heteroaromatic, alicyclic, heteroalicyclic, substituted aromatic, substituted heteroaromatic, substituted alicyclic, and substituted heteroalicyclic rings, the individual rings being fused or non-fused, and the rings being connected with each other by a covalent bond or an organic linking group; R is alkyl, alkenyl, alkoxy, or alkoxy alkylene; * designates a chiral center; a is an integer of 0 or 1; b is an integer of 0 or 1; and Rf is a perfluoroether group.
摘要翻译：三重液晶显示装置包括（a）第一和第二相对的基板，至少一个轴承对准涂层，并且每个轴承至少一个电极以限定一个或多个像素; （b）设置在基板之间的倾斜的近晶或诱导倾斜的近晶液晶组合物; 和（c）一对正交设置的偏振器，每个具有偏振轴，一个偏振轴与液晶组合物的倾斜的近晶或诱导的倾斜的近晶中间相的零场光轴对齐; 其特征在于，所述基板配置为提供所述液晶组合物的取向，所述组合物含有可由下式表示的至少一种手性液晶化合物：RMN-（P）b-OCH2C * HF-CH2O（CH2 ）aRf（I）其中M，N和P独立地选自芳族，杂芳族，脂环族，杂脂环，取代的芳族，取代的杂芳族，取代的脂环族和取代的杂脂环，并且所述环通过共价键或有机连接基彼此连接; R是烷基，烯基，烷氧基或烷氧基亚烷基; *指定手性中心; a是0或1的整数; b为0或1的整数; Rf为全氟醚基。

72. 发明授权

US6037429A Water-soluble fluorochemical polymers for use in water and oil repellent masonry treatments 失效
标题翻译：用于防水和拒油石膏处理的水溶性含氟聚合物
公开(公告)号：US6037429A
公开(公告)日：2000-03-14
申请号：US491232
申请日：1995-06-16
申请人： Jeffrey G. Linert , Patricia M. Savu
发明人： Jeffrey G. Linert , Patricia M. Savu
IPC分类号： C04B41/48 , C04B41/63 , C08F220/24 , C08F290/06 , C09D5/00 , C09D133/00 , C09D155/00 , C09K3/18 , C08F14/18
CPC分类号： C04B41/009 , C04B41/4842 , C04B41/63 , C04B2111/203 , C04B2111/27 , Y10T428/1376 , Y10T428/3154 , Y10T428/31544 , Y10T428/31993
摘要： In one aspect, the present invention provides a water-soluble and shelf-stable aqueous fluorochemical polymeric treatment useful to treat porous substrates to render them repellent to water- and oil-based stains. The treatment comprises a water-soluble fluorochemical polymer containing only carbon atoms in the backbone, with a plurality of each of the following groups pendent from the backbone: (a) fluoroaliphatic groups, (b) carboxyl-containing groups, (c) oxyalkylene or polyoxyalkylene groups, and, optionally, (d) silyl groups.
摘要翻译：在一个方面，本发明提供了一种水溶性和储存稳定的含氟含氟聚合物处理剂，其可用于处理多孔基材以使其驱除基于油和油的污渍。该处理包括在骨架中仅含有碳原子的水溶性含氟化合物聚合物，其中多个以下各个基团从主链侧倾：（a）氟代脂族基团，（b）含羧基团，（c）氧化烯或聚氧化烯基和任选的（d）甲硅烷基。

73. 发明授权

US5972241A Liquid crystal compounds having a chiral fluorinated terminal portion 失效
标题翻译：具有手性氟化末端部分的液晶化合物
公开(公告)号：US5972241A
公开(公告)日：1999-10-26
申请号：US965348
申请日：1997-11-06
申请人： Gilbert C. Johnson , Marc D. Radcliffe , Patricia M. Savu , Daniel C. Snustad , Terence D. Spawn
发明人： Gilbert C. Johnson , Marc D. Radcliffe , Patricia M. Savu , Daniel C. Snustad , Terence D. Spawn
IPC分类号： C07C43/225 , C07D239/26 , C07D239/30 , C07D239/34 , C07D263/24 , C07D405/12 , C07D413/10 , C07D413/12 , C09K19/04 , C09K19/12 , C09K19/34 , C07C25/13 , C07D239/02 , C07D263/02 , C07D319/12 , C09K19/32
CPC分类号： C07D239/26 , C07D239/34 , C07D263/24 , C07D405/12 , C07D413/12 , C09K19/04 , C09K19/126 , C09K19/3441 , C09K19/3458 , C09K19/3463 , C09K19/3466 , C09K19/3483
摘要： Fluorine-containing, chiral liquid crystal compounds comprise (a) a chiral fluorochemical terminal portion containing at least one methylene group and optionally containing at least one catenary ether oxygen atom; (b) a saturated, chiral or achiral, hydrocarbon terminal portion; and (c) a central core connecting the terminal portions. The compounds have smectic mesophases or latent smectic mesophases and are useful, for example, in liquid crystal display devices.
摘要翻译：含氟手性液晶化合物包含（a）含有至少一个亚甲基并且任选地含有至少一个链烯氧原子的手性含氟末端部分; （b）饱和的手性或非手性烃末端部分; 和（c）连接端子部分的中心芯。这些化合物具有近晶中间相或潜在的近晶中间相，可用于例如液晶显示装置。

74. 发明授权

US5928562A Process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds 失效
标题翻译：控制锥形液晶化合物混合物锥角倾斜角的过程
公开(公告)号：US5928562A
公开(公告)日：1999-07-27
申请号：US827287
申请日：1997-03-27
申请人： John F. Kistner , Marc D. Radcliffe , Patricia M. Savu , Daniel C. Snustad
发明人： John F. Kistner , Marc D. Radcliffe , Patricia M. Savu , Daniel C. Snustad
IPC分类号： G02F1/13 , C07D239/26 , C07D239/34 , C09K19/04 , C09K19/34 , C09K19/06 , C07C22/00 , C09K19/30
CPC分类号： C07D239/26 , C09K19/04 , C09K19/3458 , C09K19/3469
摘要： A process for controlling the cone tilt angle of a tilted smectic liquid crystal composition comprises the step of combining (a) at least one liquid crystal composition comprising at least one smectic or latent smectic liquid crystal compound comprising (i) an aliphatic fluorocarbon terminal portion comprising a terminal fluoroalkyl or fluoroether group and an alkylene group having at least two carbon atoms and containing at least one catenary ether oxygen atom, (ii) an aliphatic hydrocarbon terminal portion, and (iii) a central core connecting the terminal portions; and (b) at least one liquid crystal composition comprising at least one smectic or latent smectic liquid crystal compound; with the provisos that at least one of the compositions (a) and (b) comprises at least one chiral liquid crystal compound and that the combining of compositions (a) and (b) provides an optically active, tilted chiral smectic liquid crystal composition. The process enables control of cone tilt angle and thereby control of the brightness characteristics of liquid crystal display devices.
摘要翻译：用于控制倾斜的近晶液晶组合物的锥体倾斜角的方法包括将（a）至少一种液晶组合物组合的步骤，所述液晶组合物包含至少一种近晶或潜暗的近晶液晶化合物，所述液晶组合物包含（i）脂族碳氟化合物末端部分，末端氟代烷基或氟代醚基和具有至少两个碳原子并含有至少一个链烯氧原子的亚烷基，（ii）脂肪族烃末端部分和（iii）连接末端部分的中心核心; 和（b）至少一种液晶组合物，其包含至少一种近晶或潜层间的近晶液晶化合物; 条件是组合物（a）和（b）中的至少一种包含至少一种手性液晶化合物，并且组合物（a）和（b）的组合提供光学活性的倾斜手性近晶液晶组合物。该过程能够控制锥形倾斜角度，从而控制液晶显示装置的亮度特性。

75. 发明授权

US5855812A Compounds and process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds 失效
标题翻译：用于控制近晶液晶化合物混合物中的锥角倾斜角的化合物和方法
公开(公告)号：US5855812A
公开(公告)日：1999-01-05
申请号：US827753
申请日：1997-04-11
申请人： Marc D. Radcliffe , Patricia M. Savu , Daniel C. Snustad , Terence D. Spawn
发明人： Marc D. Radcliffe , Patricia M. Savu , Daniel C. Snustad , Terence D. Spawn
IPC分类号： G02F1/13 , C07D239/26 , C07D239/34 , C09K19/04 , C09K19/06 , C09K19/34 , C09K19/42 , C09K19/52 , C07C22/00
CPC分类号： C07D239/26 , C09K19/04 , C09K19/3469
摘要： A process for controlling the cone tilt angle of a tilted smectic liquid crystal composition comprises the step of combining (a) at least one liquid crystal composition comprising at least one smectic or latent smectic liquid crystal compound comprising (i) an aliphatic fluorocarbon terminal portion comprising a terminal fluoroalkyl or fluoroether group and an alkylene group having at least two carbon atoms and containing at least one catenary ether oxygen atom, (ii) an aliphatic hydrocarbon terminal portion, and (iii) a central core connecting the terminal portions, wherein the alkylene group of the aliphatic fluorocarbon terminal portion is directly linked to the central core by a moiety selected from the group consisting of a covalent bond, --CH.dbd.CH--, and --C.tbd.C--; and (b) at least one liquid crystal composition comprising at least one smectic or latent smectic liquid crystal compound; with the provisos that at least one of the compositions (a) and (b) comprises at least one chiral liquid crystal compound and that the combining of compositions (a) and (b) provides an optically active, tilted chiral smectic liquid crystal composition. The process enables control of cone tilt angle and thereby control of the brightness characteristics of liquid crystal display devices.
摘要翻译：用于控制倾斜的近晶液晶组合物的锥体倾斜角的方法包括将（a）至少一种液晶组合物组合的步骤，所述液晶组合物包含至少一种近晶或潜暗的近晶液晶化合物，所述液晶组合物包含（i）脂族碳氟化合物末端部分，末端氟代烷基或氟代醚基和具有至少两个碳原子并且含有至少一个链状醚氧原子的亚烷基，（ii）脂族烃末端部分和（iii）连接末端部分的中心核心，其中亚烷基脂肪族碳氟化合物末端部分的基团通过选自共价键，-CH = CH-和-C 3 C-C的部分直接连接到中心核心; 和（b）至少一种液晶组合物，其包含至少一种近晶或潜层间的近晶液晶化合物; 条件是组合物（a）和（b）中的至少一种包含至少一种手性液晶化合物，并且组合物（a）和（b）的组合提供光学活性的倾斜手性近晶液晶组合物。该过程能够控制锥形倾斜角度，从而控制液晶显示装置的亮度特性。

76. 发明授权

US5532121A Mottle reducing agent for photothermographic and thermographic elements 失效
标题翻译：光热成像和热成像元件的减光剂
公开(公告)号：US5532121A
公开(公告)日：1996-07-02
申请号：US410332
申请日：1995-03-24
申请人： Roger K. Yonkoski , Patricia M. Savu
发明人： Roger K. Yonkoski , Patricia M. Savu
IPC分类号： G03C1/91 , C08L27/12 , C08L27/14 , G03C1/498 , G03C1/76
CPC分类号： G03C1/49863 , G03C1/4989
摘要： Reduction of mottle and other surface anomalies in photothermographic and thermographic elements is reduced by the incorporation of a fluorinated polymer containing at least two different groups within the polymer chain derived from reactive monomers, the groups being: a fluorinated, ethylenically unsaturated monomer; and a polar, ethylenically unsaturated monomer.
摘要翻译：通过在源自反应性单体的聚合物链中引入含有至少两个不同基团的含氟聚合物，降低光热照相和热成像元素中的斑点和其它表面异常，所述基团为：氟化的烯属不饱和单体; 和极性烯属不饱和单体。

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