Plural Carbocyclic Rings Containing Patents (Class 570/129)
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Patent number: 7026021Abstract: Compounds of the general formula (I) where: R1, R2 are each independently a) H b) -M1-A1-R5 c) a straight-chain or branched alkyl radical having from 1 to 16 carbon atoms or a straight-chain or branched alkenyl radical having from 2 to 16 carbon atoms, where c1) one or more nonadjacent and nonterminal CH2 groups may be replaced by —O—, —C(?O)O—, —O—C(?O)—, —O—C(?O)—O—, —C(?O)— or —Si(CH3)2—, and/or c2) one CH2 group may be replaced by —C?C—, cyclopropane-1,2-diyl, cyclobutane-1,3-diyl, cyclohexane-1,4-diyl or phenylene-1,4-diyl, and/or c3) one or more hydrogen atoms may be replaced by F and/or Cl, p, q are each independently 0 or 1 G1-G2 is —CH2CH—, —CH?C—, —CH2CH2CH— or —CH?CH—CH— M1 is —CO—O—, —O—CO—, —CH2—O—, —O—CH2—, —CF2—O—, —O—CF2—, —CH?CH—, —CF?CF—, —C?C—, —CH2—CH2—CO—O—, —O—CO—CH2—CH2—, —CH2—CH2—, —CF2—CF2—, —(CH2)4—, —OC(?O)CF?CF— or a single bond, A1 is 1,4-phenylene where one or two hydrogen atoms may be replaced by F, Cl, CN and/or OCF3, or up to three hydrogen atoms may be replaced byType: GrantFiled: July 30, 2004Date of Patent: April 11, 2006Assignee: Merck Patent GmbHInventors: Rainer Wingen, Barbara Hornung, Wolfgang Schmidt
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Patent number: 6955837Abstract: Novel phenylcyclohexanes of the formula I in which n is 0 to 7, Q1 and Q2 are H, or one of these radicals is alternatively CH3, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond, X is F, Cl, —CF3, —CN, —OCF3 or —OCHF2, and Y and Z are each, independently of one another, H or F, with the proviso that, in the case where A is a single bond, Q1=Q2=H and simultaneously X=CN, Y and/or Z are F.Type: GrantFiled: September 28, 2001Date of Patent: October 18, 2005Assignee: Merck Patent GmbHInventors: Andreas Wachtler, Reinhard Hittich, Eike Poetsch, Herbert Plach, David Coates, Bernhard Rieger, Joachim Krause
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Patent number: 6908645Abstract: The invention relates to liquid-crystalline compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more compounds of the general formula I in which R1, L1, L2, L3, L4, L5, L6, Z1, Z2, X, v and u are as defined in claim 1.Type: GrantFiled: September 30, 2003Date of Patent: June 21, 2005Assignee: Merck Patent GmbHInventors: Peer Kirsch, Marc Lenges, Michael Heckmeier
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Patent number: 6844032Abstract: The compound (1) having 2,3-bis(trifluoromethyl)-1,4-phenylene is stable chemically and has excellent miscibility with other liquid crystal compounds, large and negative dielectric anisotropy and proper optical anisotropy. A liquid crystal composition comprising the compound has large specific resistance and a large voltage holding ratio, and that the composition is useful for a liquid crystal display element.Type: GrantFiled: March 29, 2002Date of Patent: January 18, 2005Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Kazutoshi Miyazawa, Takashi Kato, Yasuhiro Kubo, Kanetsugu Terashima
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Patent number: 6830788Abstract: A novel polymerizable compound represented by Formula (I) is disclosed. In the formula, A1 to A4 respectively denotes a hydrogen or substituent and at least one of A1 to A4 is halogen, alkyl group, alkoxy group, formyl or cyano; B1 and B2 respectively denotes a substituent and at least one of them is a substituent containing acryloyloxy, methacryloyloxy or epoxy. An optical compensator comprising a layer formed from a compound represented by Formula (I) is also disclosed.Type: GrantFiled: February 21, 2003Date of Patent: December 14, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Kensuke Morita, Hiroshi Takeuchi
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Patent number: 6805920Abstract: This invention provides a polymerizable liquid crystal compound having a large value of &Dgr;n/n, excellent in coating properties on an alignment film and easily aligned. Disclosed is a polymerizable liquid crystal compound having at least one polymerizable reactive group and showing nematic liquid crystal properties, having a &Dgr;n/n value of 0.14 or more wherein n is average refractive index and &Dgr;n is extraordinary light refractive index (ne) minus ordinary light refractive index (no), and being aligned by application onto an alignment film.Type: GrantFiled: April 11, 2002Date of Patent: October 19, 2004Assignees: Nitto Denko Corporation, Takasago International CorporationInventors: Shusaku Nakano, Amane Mochizuki, Yukiharu Iwaya, Shinya Yamada, Tsutomu Hashimoto, Yuji Nakayama, Yoshiki Hasegawa, Ken Suzuki, Tohru Kobayashi
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Publication number: 20040169159Abstract: Novel phenylcyclohexanes of the formula I 1Type: ApplicationFiled: September 28, 2001Publication date: September 2, 2004Applicant: MERCK KGAAInventors: Andreas Wachtler, Reinhard Hittich, Eike Poetsch, Herbert Plach, David Coates, Bernhard Rieger, Joachim Krause
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Patent number: 6783812Abstract: Compounds useful as components of LC and FLC compositions which in turn are useful in the manufacture of optical devices. Compounds of this invention have a silane tail, which can contain more than one Si. Compounds of this invention can include those with disilane tails. The invention provides LC compositions containing one or more of the silanes of this invention. Addition of one or more of the compounds of this invention to LC compositions can result in significant improvement in optical or LC properties. In particular, the compounds of this invention can significantly lower the melting point, freezing point or both of an LC composition resulting in significant improvement in device stability.Type: GrantFiled: January 3, 2001Date of Patent: August 31, 2004Assignee: Displaytech, Inc.Inventors: Michael Wand, Neil Gough, Kundalika More, William N. Thurmes, Xin-Hua Chen
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Patent number: 6780477Abstract: The invention relates to liquid-crystalline compounds of the formula I in which R1, R2, A1, A2, A3, A4, Z1, Z2, a, b and c are as defined in claim 1, and to liquid-crystalline media comprising at least compound of the formula I and to electro-optical displays containing a liquid-crystalline medium of this type.Type: GrantFiled: June 12, 2003Date of Patent: August 24, 2004Assignee: Merck Patent GmbHInventors: Peer Kirsch, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Georg Lüssem, Dagmar Klement
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Patent number: 6774257Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. General formula [I] (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium. The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.Type: GrantFiled: March 19, 2003Date of Patent: August 10, 2004Assignee: Sony CorporationInventors: Mari Ichimura, Tadashi Ishibashi, Shinichiro Tamura
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Patent number: 6770788Abstract: A two-step process for the preparation of fluoroolefin compounds of formula I wherein R is hydrogen or alkyl, and R1 is alkyl or cyclopropyl, or R and R1 are taken together with the carbon atom to which they are attached to form a cyclopropyl group; Ar is phenyl or naphthyl both of which are optionally substituted; Ar1 is phenoxyphenyl, biphenyl, phenyl, benzylphenyl, or benzoylphenyl, all of which may be optionally substituted, comprising reacting fluorobromoolefin compounds of formula II with organozinc compounds of formula III or IV BrZnCH2Ar1 III Zn[CH2Ar1]2 IV in the presence of a palladium catalyst and a solvent, which compounds of formula II are obtained by reacting aldehyde compounds of formula V with (a) fluorotribromomethane, (b) a tri(substituted)phosphine or a hexaalkylphosphoramide or a mixture thereof, and (c) zinc, in the presence of a solvent, compounds of formula II.Type: GrantFiled: October 21, 2002Date of Patent: August 3, 2004Assignee: BASF AktiengesellschaftInventor: William Wakefield Wood
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Patent number: 6765108Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. General formula [I] (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium. The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.Type: GrantFiled: March 17, 2003Date of Patent: July 20, 2004Assignee: Sony CorporationInventors: Mari Ichimura, Tadashi Ishibashi, Shinichiro Tamura
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Patent number: 6753046Abstract: The invention relates to a liquid crystalline compound of the formula I wherein X1 and R1 are defined as in claim 1. The invention further relates to a liquid crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy containing one or more compounds of formula I and its use in electrooptical displays and projection systems, in particular reflective displays and displays based on a birefringence effect, such as OCB displays.Type: GrantFiled: November 7, 2002Date of Patent: June 22, 2004Assignee: Merck Patent GmbHInventors: Atsutaka Manabe, Matthias Bremer
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Patent number: 6746728Abstract: A tetrahydronaphthalene derivative represented by the general formula (I) and a liquid crystal composition containing the same. A compound represented by the general formula (I) shows superior liquid crystallinity and co-solubility with conventional liquid crystal compounds and compositions. Furthermore, addition of such a compound enables the threshold voltage to be significantly reduced with almost no deleterious effect on the responsiveness. In addition, a compound of the present invention can also be easily produced industrially, is colorless, and is chemically stable. Consequently, liquid crystal compositions containing such a compound are extremely useful as liquid crystals, and are particularly suitable for liquid crystal displays requiring a wide operating temperature range, low voltage driving and a high response speed.Type: GrantFiled: December 28, 2001Date of Patent: June 8, 2004Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Tetsuo Kusumoto, Yoshitaka Saito, Makoto Negishi, Yutaka Nagashima, Sadao Takehara, Haruyoshi Takatsu, Gerwald Grahe, Rainer Bruno Frings, Cornelia Pithart
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Patent number: 6740263Abstract: The present invention discloses an anthracene compound represented by the following formula 4 and chemiluminescent composition comprising the compound: wherein R is an alkyl group having 1-8 carbon atoms, and X1 and X2 are independently hydrogen or halogen.Type: GrantFiled: February 7, 2002Date of Patent: May 25, 2004Inventors: Koon Ha Park, Yong Fan Kim, Min Seob Park
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Patent number: 6730371Abstract: An optically active compound of the following general formula (1) useful as a chiral dopant, and use thereof, wherein each of X and Y is independently a hydrogen atom or a fluorine atom, R is (C2H5)2CHCH2C*H(CH3)— or Ph—C*H(CH3)—, A is —Ph(W)—COO—Ph—, —Ph—Ph—COO—, —Cy—COO—Ph—, —Ph(W)—OOC—Ph—COO—, —Ph(W)—OOC—Cy—COO—, —Ph(W)—OOC—Np—COO— or —Np—OOC—, in which Ph— is a phenyl group, —Ph— is a 1,4-phenylene group, —Ph(W)— is —Ph— or monofluoro substituted —Ph—, Cy— is a trans-1,4-cyclohexylene group and —Np— is a 2,6-naphthylene group, and C* is an asymmetric carbon.Type: GrantFiled: April 9, 2002Date of Patent: May 4, 2004Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Yasumasa Norisue, Takakiyo Mine, Masahiro Johno
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Publication number: 20040079922Abstract: It is to provide a liquid crystal composition containing at least one type of optically active compounds of the following formulae (1) to (4), and a liquid crystal electro-optical element excellent in display quality. In each formula, C* is asymmetric carbon, and the respective symbols are as defined in description.Type: ApplicationFiled: August 8, 2003Publication date: April 29, 2004Inventors: Osamu Yokokouji, Tamon Tachibana, Masaki Oiwa, Kanetha Shimizu, Takeshi Koike
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Publication number: 20040075081Abstract: The invention relates to liquid-crystalline compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more compounds of the general formula I 1Type: ApplicationFiled: September 30, 2003Publication date: April 22, 2004Inventors: Peer Kirsch, Marc Lenges, Michael Heckmeier
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Patent number: 6716491Abstract: A liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, which comprises one or more compounds of the formula I where R1, A1, A2, Z1, Z2, L1, L2 and n are as defined herein, is suitable for use in, for example, MLC, TN and STN displays.Type: GrantFiled: May 8, 2001Date of Patent: April 6, 2004Assignee: Merck Patent GmbHInventors: Kazuaki Tarumi, Brigitte Schuler, Matthias Bremer, Ulrich Finkenzeller, Eike Poetsch, Heike Kniel
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Patent number: 6713135Abstract: The present invention provides novel polyimides, poly(amic acids) and poly(amide esters) thereof, and optical alignment layers derived therefrom, for inducing alignment of liquid crystals and liquid crystal displays. The novel compositions comprise side-chain polymers of the general formula I —L1—D—L2—Cf wherein D comprises 1 to 4 carbon-carbon double bonds, Cf is a monovalent C4 to C20 fluorocarbon radical and L1 and L2 are linking groups. The invention further describes liquid crystal displays and other liquid crystal devices.Type: GrantFiled: December 19, 2000Date of Patent: March 30, 2004Assignee: Elsicon, Inc.Inventors: Wayne M. Gibbons, Patricia A. Rose, Paul J. Shannon, Hanxing Zheng
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Patent number: 6706338Abstract: The invention relates to liquid-crystalline compounds of the formula I, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical displays containing such a liquid-crystalline medium.Type: GrantFiled: December 21, 2001Date of Patent: March 16, 2004Assignee: Merck Patent GmbHInventors: Peer Kirsch, Florian Huber, Joachim Krause, Michael Heckmeier, Detlef Pauluth
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Patent number: 6692657Abstract: Liquid crystalline compounds having a large negative &Dgr;∈ low viscosity, a large K33/K11 value, a small &Dgr;∈/&Dgr;⊥ and mutually excellent solubility even at low temperature, compositions containing at least one of the compounds and liquid crystal display devices containing such a liquid crystal compositions are disclosed.Type: GrantFiled: June 2, 1999Date of Patent: February 17, 2004Assignee: Chisso CorporationInventors: Takashi Kato, Tomoyuki Kondo, Henry Bernhardt, Shuichi Matsui, Hiroyuki Takeuchi, Yasuhiro Kubo, Fusayuki Takeshita, Etsuo Nakagawa
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Patent number: 6693223Abstract: A novel liquid crystal compound, a nematic liquid crystal composition, and a liquid crystal display system using the composition are disclosed herein. The liquid crystal compound is represented by the general formula (I): wherein R represents a hydrogen atom or a straight chain alkyl group having 1 to 7 carbon atoms and each of X, Y and Z independently represents hydrogen atom or fluorine atom. The nematic liquid crystal composition of the present invention can provide liquid crystal materials in response to desired purposes even by its addition in a small amount without spoiling other characteristics.Type: GrantFiled: February 27, 2003Date of Patent: February 17, 2004Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Kiyofumi Takeuchi, Haruyoshi Takatsu, Sadao Takehara, Masashi Osawa
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Patent number: 6677475Abstract: Optically active compounds of the following general formula (1) useful as chiral dopant, wherein n is an integer of 0 to 5, provided that when n is 0, A is a single bond (—) and that when n is 1 to 5, A is a single bond (—), —O—, —COO—, —Cy— or —Cy—COO— in which —Cy— is a trans-1,4-cyclohexylene group, each of X and Y is independently a hydrogen atom or a fluorine atom, B is a single bond (—), —COO—, —COO—Ph— or —Ph—COO— in which —Ph— is a 1,4-phenylene group, and C* is an asymmetric carbon. The chiral dopant of the present invention have a high helical twisting power of at least 9 and suitably have a feature that the helical pitch induced by them decreases in length with an increase in temperature so that they are advantageous for use in a nematic liquid crystal composition.Type: GrantFiled: January 17, 2002Date of Patent: January 13, 2004Assignee: Mitsubishi Gas Chemical Co., Inc.Inventors: Yasumasa Norisue, Takakiyo Mine, Masahiro Johno
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Patent number: 6677002Abstract: Novel phenylcyclohexanes of the formula I: in which n is 0 to 7, Q1 and Q2 are H, or one of these radicals is alternatively CH3, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond, X is F, Cl, —CF3, —CN, —OCF3 or —OCHF2, and Y and Z are each, independently of one another, H or F, with the proviso that, in the case where A is a single bond, Q1═Q2═H and simultaneously X═CN, Y and/or Z are F.Type: GrantFiled: February 8, 2001Date of Patent: January 13, 2004Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Andreas Wächtler, Reinhard Hittich, Eike Poetsch, Herbert Plach, David Coates, Bernhard Rieger, Joachim Krause
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Patent number: 6670514Abstract: Compounds of the formula (I) in which: R1 is H, F, CF3, OCF3, OCF2H, OCFH2, an alkyl radical or an alkenyl radical; R2 is H, an alkyl radical or alkyloxy radical or an alkenyl or alkenyloxy radical; G2—G1 is —CH═CH—, —CH2CH2—, —CF═CH—, —CH═CF—, —CF═CF—, —CH2—, —CF2—; M1, M2 are each, independently of one another, —C(═O)O—, —OC(═O)—, —CH2O—, —OCH2—, —OCF2—, —CF2O—, —C≡C—, —CH2CH2—, —CF2CF2— or a single bond; A1, A2 are each, independently of one another, phenylene-1,4-diyl, unsubstituted, monosubstituted or disubstituted by F, cyclohexane-1,4-diyl, 1,3-dioxan-2,5-diyl; m, n are each, independently of one another, zero or 1; m+n=0 or 1; The invention furthermore provides a liquid-crystal mixture comprising one or more compounds of the formula (IType: GrantFiled: August 8, 2002Date of Patent: December 30, 2003Assignee: Clariant Finance (BVI) LimitedInventors: Rainer Wingen, Barbara Hornung, Wolfgang Schmidt
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Publication number: 20030230737Abstract: The invention relates to liquid-crystalline compounds of the formula I, 1Type: ApplicationFiled: December 21, 2001Publication date: December 18, 2003Applicant: Merck GmbHInventors: Peer Kirsch, Florian Huber, Joachim Krause, Michael Heckmeier, Detlef Pauluth
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Publication number: 20030213935Abstract: Liquid-crystalline compounds of the formula I 1Type: ApplicationFiled: September 30, 2002Publication date: November 20, 2003Applicant: Merck Patent GmbHInventors: Michael Heckmeier, Peer Kirsch, Joachim Krause, Alexander Hahn, Andreas Ruhl
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Patent number: 6649088Abstract: A nematic liquid crystal mixture having a positive dielectric anisotropy &Dgr;∈ of at least +4 and a birefringence &Dgr;n of at least 0.12, characterized in that the mixtures comprises one or more components having the core structure wherein L1, L2, Y and Z are each independently of one another H or F, one of Q1 and Q2 is 1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene and the other residue Q1 or Q2 is —CH2CH2—, —CH2CH2CH2CH2— or—if at least one of L1, L2, Y and Z denotes F—also a single bond, whereby this core structure can be optionally further fluorinated in the benzene rings.Type: GrantFiled: July 13, 2000Date of Patent: November 18, 2003Assignee: Merck Patent GmbHInventors: Bernhard Rieger, Volker Reiffenrath, Reinhard Hittich
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Patent number: 6646166Abstract: The present invention provides an improved process for the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene compounds of the structural formula I In addition, the present invention provides an improved process for the preparation of 1,4-diaryl-2-fluoro-2-butadiene compounds of the structural formula IVType: GrantFiled: October 1, 2001Date of Patent: November 11, 2003Assignee: BASF AktiengesellschaftInventors: Yulin Hu, David Allen Hunt, Keith Douglas Barnes
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Publication number: 20030197153Abstract: The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I 1Type: ApplicationFiled: October 15, 2002Publication date: October 23, 2003Applicant: Merck Patent GmbHInventors: Michael Heckmeier, Brigitte Schuler, Martin Engel, Peer Kirsch, Matthias Bremer
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Patent number: 6635318Abstract: Disclosed is a tetracyclic compound of the formula I in which R1, R2 are each, independently of one another, an alkyl or alkenyl radical having up to 15 carbon atoms which is unsubstituted, monosubstituted by CN or CF3, or monosubstituted by halogen. One or more CH2 groups in these radicals may also, in each case independently of one another be replaced by —O—, —S—, —CO—, —CO—O—, —O—CO— or —O—CO—O— such that the O atoms are not linked directly to one another. Z is —OCF2—, —CF2O— or a single bond. L1, L2, L3, and L4 are each, independently of one another, H or F. m is 1 or 2. Similar compounds, as well as liquid-crystalline media having these compounds, are also disclosed.Type: GrantFiled: August 13, 2001Date of Patent: October 21, 2003Assignee: Merck Patent Gesellschaft mit beschränkter HaftungInventors: Peer Kirsch, Joachim Krause, Georg Lüssem, Dagmar Klement
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Patent number: 6632949Abstract: Disclosed are a fluorinating agent represented by the general formula (1): wherein R1 to R4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group, and can be the same or different; R1 and R2 or R3 and R4 can bond to form a ring including a nitrogen atom or a nitrogen atom and other hetero atoms; or R1 and R3 can bond to form a ring including a nitrogen atom or a nitrogen atom and other hetero atoms, for example: a preparation process of the fluorinating agent and a process for preparing fluorine compounds by reacting various compounds with the fluorinating agent. The invention has also disclosed that the fluorinating agent is very effective for fluorinating oxygen containing functional compounds.Type: GrantFiled: July 10, 2002Date of Patent: October 14, 2003Assignee: Mitsui Chemicals, Inc.Inventors: Hiroshi Sonoda, Kazunari Okada, Akira Takahashi, Kouki Fukumura, Hidetoshi Hayashi, Teruyuki Nagata, Yasuhiro Takano
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Patent number: 6630210Abstract: The invention relates to pentafluorosulfuranylbenzene derivatives of the formula I in which R1, A1, A2, Z1, L1, L2, L3 and n are as defined herein and to the use thereof in liquid-crystalline media.Type: GrantFiled: June 27, 2001Date of Patent: October 7, 2003Assignee: Merck GmbHInventors: Peer Kirsch, Joachim Krause, Michael Heckmeier
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Patent number: 6610219Abstract: Functional optical materials for optical systems that are typically useful in optical waveguides, optical switching systems, optical modulators, optical computing systems and the like. Included are polymer systems and electrooptical chromophores. Polymers are thermoplastic and/or thermosetting polymers and are blended or co-polymerized with the electrooptic chromophore. The thermoplastic or thermosetting polymer selected from an acrylic/methacrylic, polyester, polyurethane, polyimide, polyamide, epoxy resin, or hybrid (organic-inorganic) or nanocomposite polyester polymer. The electrooptic chromophore is selected from a substituted aniline, substituted azobenzene, substituted stilbene, or substituted imine. Methods for improving adhesion promotion for the various novel materials are also provided.Type: GrantFiled: February 6, 2001Date of Patent: August 26, 2003Assignee: Battelle Memorial InstituteInventors: Vincent D. McGinniss, Steven M. Risser
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Patent number: 6599590Abstract: The invention relates to a fluoro-substituted alkenyl compound represented by formula (1) wherein Y1, Y2, Y3 and Y4 are each independently H or F, provided that at least one of Y1 and Y2 is F; Q1 is a single bond or an alkylene group of 1-20 carbon atoms, at least one —CH2— being optionally substituted by —O—, provided that two or more —O— are not adjacent to each other; Q2 is a single bond or —C≡C—; Rings A1, A2 and A3 are each independently a cyclohexane ring, a dioxane ring, a cyclohexene ring, a pyrimidine ring, a pyridine ring, or a benzene ring, or a benzene ring having at least one hydrogen atom substituted by F; Z1, Z2 and Z3 are each independently a single bond, —CH2CH2—, —CH2O—, —OCH2—, —COO—, —OCO—, —CH═CH—, —C≡C—, —CF2O—, or —OCF2; and m and n are each independently 0 or 1; provided that Y3 is F when Ring A3 is a cyType: GrantFiled: May 22, 2001Date of Patent: July 29, 2003Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Yasuhiro Haseba, Shuichi Matsui, Hiroyuki Takeuchi, Yasuhiro Kubo, Etsuo Nakagawa
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Publication number: 20030136944Abstract: Disclosed in a novel liquid-crystalline compound which is a naphthalene derivative useful as an electro-optical liquid crystal display material, a liquid crystal composition containing such naphthalene derivatives and a liquid crystal display device comprising the same. The naphthalene derivative provided by the present invention exhibits an excellent liquid-crystallinity and miscibility with currently widely used liquid crystal compositions or compositions. The addition of the naphthalene derivative makes it possible to drastically lower the threshold voltage of the liquid crystal composition while maintaining its high response. The naphthalene derivative of the present invention is characterized by a large birefringence index. Further, most of the naphthalene derivative of the present invention has no strongly polar group in its molecule and thus can also be used for active matrix driving.Type: ApplicationFiled: August 21, 2002Publication date: July 24, 2003Applicant: Dainippon Ink and Chemicals, Inc.Inventors: Sadao Takehara, Masashi Osawa, Haruyoshi Takatsu, Makoto Negishi
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Patent number: 6596349Abstract: The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties with temperature change, high &Dgr;n, and good compatibility with other liquid crystal materials particularly under a low temperature; liquid crystal compositions containing these crystalline compounds; and liquid crystal display devices made using these liquid crystal compositions.Type: GrantFiled: April 18, 2001Date of Patent: July 22, 2003Assignee: Chisso Corp.Inventors: Tomoyuki Kondou, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Yasuhiro Kubo, Fusayuki Takeshita, Etsuo Nakagawa
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Patent number: 6590125Abstract: A light-emitting polymer and its preparation method, the polymer being excellent in electron injection and transport ability as well as hole injection and transport ability in an EL device, the EL device manufactured from the polymer being also emittable in the blue emission region, in which the EL device from an inorganic material is not mostly emittable. The light-emitting polymer of the invention is an alternated copolymer having repeated units (arylenevinylene units) excellent in hole injection and transport ability and repeated units (fluorinated tetraphenyl units) excellent in electron injection and transport ability with alternated order, as shown in formula (II). An EL device manufactured from the light-emitting polymer, a fluorinated tetraphenyl derivative of formula (I), which is used as a monomer to prepare the light-emitting polymer, and their preparation methods.Type: GrantFiled: April 3, 2001Date of Patent: July 8, 2003Assignee: Electronics and Telecommunications Research InstituteInventors: Do Hoon Hwang, Tae Hyoung Zyung, Lee Mi Do, Hye Yong Chu
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Patent number: 6579577Abstract: There is provided a liquid crystalline compound having a high voltage holding ratio which has a very small degree of temperature dependence, a low threshold voltage which has a very small degree of temperature dependence, a high &Dgr;n, and excellent miscibility with other liquid crystal materials at low temperature; a liquid crystal composition; and a liquid crystal display element, and the liquid crystalline compound is a substituted benzene derivative represented by general formula (1), where, R represents a straight chain or branched alkyl group having 1 to 20 carbon atoms in which each of optional and nonadjacent methylene groups (—CH2—) may be substituted by an oxygen atom; X represents a halogen atom, —CF3, —CF2H, —CFH2, —OCF3 or —OCF2H; each of Z1 and Z2 independently represents —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2— or a covalent bond, but Z1 and Z2 are not covalent bonds simultaneously; each of Y1Type: GrantFiled: July 30, 2001Date of Patent: June 17, 2003Assignee: Chisso CorporationInventors: Tomoyuki Kondo, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Yasuhiro Kubo, Fusayuki Takeshita, Etsuo Nakagawa
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Patent number: 6576303Abstract: Novel liquid crystal compound having a negative and absolutely large value of dielectric anisotropy, being excellent in compatibility with other liquid crystalline compounds at a low temperature and being stable chemically and physically, as well as a liquid crystal composition comprising this compound, and a liquid crystal display device comprising this liquid crystal composition are provided, said compound is expressed by the general formula (1): R1—A1—B1—A2—B2—A3—B3—Z—B4—A4—R2 (1) wherein A1, A2, A3 and A4 represent a single bond, 1,4-cyclohexylene, 1,4-phenylene which may be substituted with a fluorine atom(s) or the like; B1, B2, B3 and B4 represent a single bond, 1,2-ethylene, 1,2-ethenylene, 1,2-ethynylene, oxymethylene, methyleneoxy or the like; R1 and R2 represent an alkyl group having 1 to 10 carbon atoms or the like; and Z represents (I) to (VI): wherein X represents H or F, and Y represents difluoromethyl grType: GrantFiled: August 24, 2000Date of Patent: June 10, 2003Assignee: Chisso CorporationInventors: Norio Tamura, Atsuko Fujita, Hiroyuki Tekeuchi, Fusayuki Takeshita, Etsuo Nakagawa
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Patent number: 6555185Abstract: The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties with temperature change, high &Dgr;n, and good compatibility with other liquid crystal materials particularly under a low temperature; liquid crystal compositions containing these crystalline compounds; and liquid crystal display devices made using these liquid crystal compositions.Type: GrantFiled: April 18, 2001Date of Patent: April 29, 2003Assignee: Chisso CorporationInventors: Tomoyuki Kondou, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Yasuhiro Kubo, Fusayuki Takeshita, Etsuo Nakagawa
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Publication number: 20030077405Abstract: The compound (1) having 2,3-bis(trifluoromethyl)-1,4-phenylene is stable chemically and has excellent miscibility with other liquid crystal compounds, large and negative dielectric anisotropy and proper optical anisotropy. A liquid crystal composition comprising the compound has large specific resistance and a large voltage holding ratio, and that the composition is useful for a liquid crystal display element.Type: ApplicationFiled: March 29, 2002Publication date: April 24, 2003Inventors: Kazutoshi Miyazawa, Takashi Kato, Yasuhiro Kubo, Kanetsugu Terashima
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Patent number: 6548126Abstract: The invention is to provide liquid crystalline compounds having a negative and extremely large dielectric anisotropy value and a small optical anisotropy value at the same time; liquid crystal compositions comprising the compound; and liquid crystal display devices fabricated by using the liquid crystal composition; the liquid crystalline compounds have 2,3-dihalogenophenylene moiety and are expressed by formula (1) wherein Ra and Rb each independently represents a linear or branched alkyl having 1 to 10 carbon, any methylene in the alkyl may be replaced by —O—, —S—, —CH═CH—, or —C≡C—, but —O— is not successive, and any hydrogen in the alkyl may be replaced by halogen; rings A1 to A4 each independently represents trans-1,4-cyclohexylene, cyclohexene-1,4-diyl, pyridine-1,4-diyl, pyrimidine-2,5-diyl, or 1,4-phenylene, wherein at least one hydrogen in these rings may be replaced by halogen, and any nonadjacent methylene in cType: GrantFiled: August 11, 2000Date of Patent: April 15, 2003Assignee: Chisso CorporationInventors: Yasuyuki Sasada, Shuichi Matsui, Hiroyuki Takeuchi, Yasuhiro Kubo, Etsuo Nakagawa
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Patent number: 6544604Abstract: The present invention provides a liquid crystalline compound having a difluoropropyleneoxy group as a bonding group, which is represented by Formula (1): wherein R1 and R2 each independently represent hydrogen, halogen, a cyano group or an alkyl group having 1 to 20 carbon atoms; rings A1 to A5 each independently represent a 1,4-cyclohexylene group, a 1,4-cyclohexenylene group or a 1,4-phenylene group; Z1 to Z4 each independently represent a single bond, —CH2CH2—, —CH2O—, —OCH2—, —COO—, —OCO—, —CH═CH—, —C≡C—, —CF2O— or —OCF2—; Y1, Y2, Y3 and Y4 each independently represent hydrogen or fluorine; and k, l, m and n each independently represent 0 or 1. This liquid crystalline compound has a large absolute value (|&Dgr;&egr;|) of a dielectric anisotropy and shows a relatively small refractive anisotropy.Type: GrantFiled: August 10, 2001Date of Patent: April 8, 2003Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Shuichi Matsui, Yasuyuki Sasada, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Katsuyuki Kawano, Yasuhiro Kubo, Etsuo Nakagawa, Mayumi Furuya
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Publication number: 20030064172Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I 1Type: ApplicationFiled: November 2, 2001Publication date: April 3, 2003Applicant: Merck Patent Gesellschaft mitbeschrankter HaftungInventors: Kazuaki Tarumi, Brigitte Schuler, Eike Poetsch, Volker Reiffenrath, Yukiomi Tanaka
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Publication number: 20030054119Abstract: An optically active compound of the following general formula (1) useful as a chiral dbpant, and use thereof, 1Type: ApplicationFiled: April 9, 2002Publication date: March 20, 2003Applicant: Mitsubishi Gas Chemical Co., Inc.Inventors: Yasumasa Norisue, Takakiyo Mine, Masahiro Johno
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Patent number: 6528676Abstract: The application discloses methods of treating mammalian diseases characterized by abnormal cell mitosis by administering estradiol derivatives including those comprising colchicine or combretastatin A-4 structural motifs of the general formulae found below in a dosage sufficient to inhibit cell mitosis. The application discloses novel compounds used in the methods.Type: GrantFiled: February 2, 1999Date of Patent: March 4, 2003Assignee: The Children's Medical Center CorporationInventors: Robert John D'Amato, Moses Judah Folkman
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Patent number: 6515163Abstract: The invention concerns hydrogenated phenanthrenes of formula I wherein the parameters have the meanings given in the text and their use in liquid crystal compositions.Type: GrantFiled: June 8, 2001Date of Patent: February 4, 2003Assignee: Merck Patent GesellschaftInventors: Rainer Wingen, Barbara Hornung, Wolfgang Schmidt
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Patent number: 6506800Abstract: Pesticidal 1,4-diaryl-2,3-difluoro-2-butene compounds of formula I wherein Ar is phenyl, 1- or 2-naphthyl or a 5- or 6-membered heteroaromatic ring all of which aromatic systems may be optionally substituted; R is C2-C6-alkenyl, C4-C6-cycloalkenyl or C1-C2-alkoxy-C2-C6-alkyl; and Ar1 is phenoxyphenyl, phenyl, biphenyl, phenoxypyridyl, benzylpyridyl, benzylphenyl, benzoylphenyl, 1- or 2-naphthyl, or a 5- or 6-membered heteroaromatic ring all of which aromatic systems may be optionally substituted, intermediates and methods for the preparation of compounds of formula I and compositions and methods comprising the compounds and compositions for the control of insect and acarid pests.Type: GrantFiled: September 12, 2001Date of Patent: January 14, 2003Assignee: BASF AktiengesellschaftInventor: Terence James Bentley