Plural Carbocyclic Rings Containing Patents (Class 570/130)
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Patent number: 8962898Abstract: An optically active bisbenzyl compound or a racemic bisbenzyl compound represented by formula (2) that has axial chirality: where: R1 represents a halogen, or an optionally substituted: linear, branched, or cyclic C1-8 alkyl, C2-8 alkenyl, C2-8 alkynyl, C6-14 aryl, C3-8 heteroaryl, linear, branched, or cyclic C1-8 alkoxy, or C7-16 aralkyl; R21 each independently represents hydrogen, halogen, nitro, or an optionally substituted: linear, branched, or cyclic C1-8 alkyl, C2-8 alkenyl, C2-8 alkynyl, C6-14 aryl, linear, branched, or cyclic C1-8 alkoxy, or a C7-16 aralkyl; R3 represents hydrogen, or an optionally substituted: C6-14 aryl, a C3-8 heteroaryl, or a C7-16 aralkyl; and Y2 represents a halogen, or an optionally substituted: C1-8 alkylsulfonyloxy, C6-14 arylsulfonyloxy, or C7-16 aralkylsulfonyloxy.Type: GrantFiled: December 5, 2012Date of Patent: February 24, 2015Assignee: Nippon Soda Co., Ltd.Inventors: Keiji Maruoka, Yasushi Kubota
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Patent number: 8858829Abstract: The present invention intends to provide a novel cyclohexane compound that can form a liquid crystal composition of which response speed is improved when mixed with a nematic liquid crystal and the like and to provide a specified liquid crystal composition in which a novel cyclohexane compound is mixed. The novel cyclohexane compound is represented by the following formula (1). (In the formula (1), R1 and R2 represent the same or different R, ROCO or RCOO, and the R represents an alkyl group. The alkyl group may have an unsaturated bond, and, in the group, —CH2— may be substituted with —O—, —CO— or —COO—, and a part of or an entirety of hydrogen atoms may be substituted with a halogen atom or a cyano group. X and Y each independently represents a halogen atom or a hydrogen atom and does not simultaneously represent a hydrogen atom. Further, alternatively, X represents an oxygen atom and Y represents a direct bond to the oxygen atom.Type: GrantFiled: June 30, 2011Date of Patent: October 14, 2014Assignees: Organo Science Co., Ltd., Chiracol Co., Ltd.Inventors: Kazuo Okamoto, Toshihiro Shibata
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Patent number: 8809451Abstract: According to the present invention, a polymer is obtained by polycondensation of a fluorinated dicarboxylic acid derivative of the general formula (M-1) or an acid anhydride of the fluorinated dicarboxylic acid with a polyfunctional compound having two to four reactive groups corresponding in reactivity to carbonyl moieties of the fluorinated dicarboxylic acid derivative or acid anhydride. [Chem. 134] AOCF2C-Q-CF2COA???(M-1) In the above formula, Q represents a divalent organic group having a substituted or unsubstituted aromatic ring; and A and A? each independently represent an organic group. This polymer exhibits a sufficiently low dielectric constant for use as a semiconductor protection film and has the capability of forming a film at a relatively low temperature of 250° C. or lower.Type: GrantFiled: February 18, 2010Date of Patent: August 19, 2014Assignee: Central Glass Company, LimitedInventors: Yoshimi Isono, Satoru Narizuka, Hidehisa Nanai, Kazuhiro Yamanaka
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Publication number: 20140221655Abstract: The invention provides methods for substituting polyaromatic hydrocarbons or polyheterocyclic compounds with perfluoroalkyl groups. The methods can include heating a polyaromatic hydrocarbon substrate or a polyheterocyclic compound substrate in the presence of a perfluoroalkyl iodide, typically in a closed system, wherein the heating is sufficient to bring both the polyaromatic hydrocarbons or polyheterocyclic compound, and the perfluoroalkyl iodide, into the gas phase, thereby allowing the substrate to react with the perfluoroalkyl iodide in the gas phase to form polyaromatic hydrocarbons or polyheterocyclic compounds having one or more perfluoroalkyl substituents. The methods allow for the creation of versatile libraries of novel perfluoroalkyl-containing derivatives that can serve as important building blocks and active components in biomedical, electronic, and materials applications.Type: ApplicationFiled: February 6, 2014Publication date: August 7, 2014Applicant: Colorado State University Research FoundationInventors: Steven S. Strauss, Olga V. Boltalina, Igor V. Kuvychko
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Patent number: 8778223Abstract: Provided are compounds useful for use in liquid crystal mixtures to improve the properties of the mixture. In embodiments, the compound has two cyclohexyl ring and a tail containing one more fluorine atoms.Type: GrantFiled: May 24, 2012Date of Patent: July 15, 2014Assignee: LC Vision, LLCInventor: Michael Wand
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Patent number: 8772420Abstract: A fluorinated polyester blend is prepared by melt blending a fluorovinyl ether functionalized polyester with a non-fluorinated polyester. The fluoroether functionalized polyester can be a homopolymer or a copolymer. The blend is useful for preparing fibers, yarns, fabrics, garments, carpets, and other shaped articles. The shaped articles exhibit durable soil, oil, and water repellency.Type: GrantFiled: December 28, 2011Date of Patent: July 8, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Neville Everton Drysdale, Fredrik Nederberg
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Patent number: 8586810Abstract: The present invention proposes a chiral diene ligand, a fabrication method thereof and applications thereof. The chiral diene ligand is a bicyclo[2.2.1] diene ligand having structural specificity and high stability, which favors the bicyclo[2.2.1] diene ligand to take part in asymmetric transformations, particularly an asymmetric addition reaction involving a metal catalyst in a basic environment. Most of the products of the reactions implemented by the chiral diene ligands of the present invention have superior optical activity. The method of the present invention comprises a first oxidation step, a saponification step, a second oxidation step, a deprotonation step, and a cross-coupling step. The chiral diene ligand of the present invention is very suitable to be used in the fabrication or synthesis of various chemicals and medical products.Type: GrantFiled: September 10, 2012Date of Patent: November 19, 2013Assignee: National Taiwan Normal UniversityInventors: Hsyueh-Liang Wu, Chun-Chih Chen, Chia-Chen Liu, Wei-Ting Wei, Jo-Hsuan Fang
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Publication number: 20130288179Abstract: A radiation-sensitive resin composition includes a compound represented by a formula (1), and a polymer that includes a structural unit having an acid-labile group. R1 and R4 each independently represent a hydrogen atom, or the like. R2 and R3 each independently represent a hydrogen atom or the like. X1 and X2 each independently represent a hydrogen atom, or the like, or X1 and X2 taken together represent —S—, —O—, —SO2—, or the like. A represents an ethanediyl group, wherein at least one hydrogen atom included in X1, X2 and A is substituted by —Y—SO3?M+. Y represents an alkanediyl group having 1 to 10 carbon atoms, or the like. M+ represents a monovalent onium cation. In the case where —Y—SO3?M+ is present in a plurality of number, a plurality of Ys are each identical or different and a plurality of M+s are each identical or different.Type: ApplicationFiled: June 27, 2013Publication date: October 31, 2013Inventors: Kazuo NAKAHARA, Ken MARUYAMA
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Publication number: 20130203718Abstract: The present invention relates to a compound of formula (I): for its use as progesterone receptor antagonist, in particular for its use for the prevention and/or the treatment of cancer or uterine pathologies.Type: ApplicationFiled: May 9, 2011Publication date: August 8, 2013Inventors: Marie-Edith Rafestin-Oblin, Mouad Alami, Hugues Loosfelt, Abdallah Hamze, Ali Junaid Khan, Abdellatif Tikad, Marc Lombes, Jean-Daniel Brion
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Patent number: 8465674Abstract: A compound represented by the formula (1) is provided. In the formula (1), for example, R1 and R2 are alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 2 to 10 carbons; the ring A and the ring B are 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z2 are a single bond and Z3 is —CH2O— or —OCH2—; Y1 and Y2 are halogen, —CF3, —CHF2, —CH2F, —OCF3, —OCHF2 or —OCH2F; and m and n is 0, 1 or 2, p is 1 or 2, and the sum of m, n and p is 1, 2 or 3.Type: GrantFiled: August 9, 2010Date of Patent: June 18, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventor: Tokifumi Masukawa
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Patent number: 8460766Abstract: A liquid crystal compound of Formula (1) is provided below: wherein R is hydrogen, linear or branching C1-15 alkyl, linear or branching C1-15 alkyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), linear or branching C2-15 alkenyl, or linear or branching C2-15 alkenyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), A and B are, independently, cyclohexane, cyclohexane (wherein any one of —CH2— is replaced by —O— or —NH—), benzene, or benzene (wherein any one of —CH2? is replaced by —N?), X is a single bond, —CO—O—, —O—CO—, —CH2O—, —OCH2—, —CH2CH2—, —C?C—, —C?C—, —CF2O—, or —OCF2—, Q is oxygen or CH2, Y is CF3, CF2H, or CFH2, L1, L2, and L3 are, independently, hydrogen or fluorine, and m is 0, 1, or 2.Type: GrantFiled: June 10, 2011Date of Patent: June 11, 2013Assignee: Industrial Technology Research InstituteInventors: Pei-Chen Huang, Kuo-Chang Wang, Kuo-Liang Yeh, An-Cheng Chen, Kung-Lung Cheng, Shyue-Ming Jang
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Publication number: 20130092875Abstract: The present invention intends to provide a novel cyclohexane compound that can form a liquid crystal composition of which response speed is improved when mixed with a nematic liquid crystal and the like and to provide a specified liquid crystal composition in which a novel cyclohexane compound is mixed. The novel cyclohexane compound is represented by the following formula (1). (In the formula (1), R1 and R2 represent the same or different R, ROCO or RCOO, and the R represents an alkyl group. The alkyl group may have an unsaturated bond, and, in the group, —CH2— may be substituted with —O—, —CO— or —COO—, and a part of or an entirety of hydrogen atoms may be substituted with a halogen atom or a cyano group. X and Y each independently represents a halogen atom or a hydrogen atom and does not simultaneously represent a hydrogen atom. Further, alternatively, X represents an oxygen atom and Y represents a direct bond to the oxygen atom.Type: ApplicationFiled: June 30, 2011Publication date: April 18, 2013Applicants: Chiracol Co., Ltd., Organo Science Co., Ltd.Inventors: Kazuo Okamoto, Toshihiro Shibata
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Publication number: 20120326083Abstract: Provided are compounds useful for use in liquid crystal mixtures to improve the properties of the mixture. In embodiments, the compound has two cyclohexyl ring and a tail containing one more fluorine atoms.Type: ApplicationFiled: May 24, 2012Publication date: December 27, 2012Inventor: Michael WAND
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Patent number: 8298632Abstract: The invention provides a liquid crystal compound having a suitable value of refractive index anisotropy, a suitable value of dielectric anisotropy, steep characteristics electro-optic characteristics, a wide temperature range of a nematic phase and an excellent compatibility with other liquid crystal compounds, and a liquid crystal compounds especially having a wide temperature range of a nematic phase. A compound represented by formula (1). For example, R1 and R2 are each independently alkyl having 1 to 9 carbons or alkenyl having 2 to 9 carbons, alkoxy having 1 to 8 carbons or alkenyloxy having 2 to 8 carbons; Q1 and Q4 are each independently fluorine or chlorine; Q2 and Q3 are each independently hydrogen, fluorine or chlorine, and one of Q2 and Q3 is hydrogen; Z is —CH2 O— or —COO—; and h is 1 or 2.Type: GrantFiled: January 27, 2010Date of Patent: October 30, 2012Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Teru Shimada, Junichi Yamashita
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Patent number: 8163200Abstract: The invention relates to liquid-crystalline compounds of the formula I in which R1, R2, A1, A2, A3, A4, Z1, Z2, Z3, V, a, b and c have the meanings indicated in Claim 1, and to liquid-crystalline media comprising at least one compound of the formula I, and to electro-optical displays containing a liquid-crystalline medium of this type.Type: GrantFiled: July 18, 2007Date of Patent: April 24, 2012Assignee: Merck Patent Gesellschaft MIT Beschraenkter HaftungInventors: Lars Lietzau, Markus Czanta, Atsutaka Manabe, Kai Jaehrling
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Patent number: 8124196Abstract: A liquid crystal composition comprising at least one compound having a fluorobicyclo[2.2.2]octane skeleton represented by formula (I) below is disclosed. A fluorobicyclo[2.2.2]octane compound represented by formula (II) below is also disclosed. In the formulae, Y represents a hydrogen atom or fluorine atom.Type: GrantFiled: March 11, 2010Date of Patent: February 28, 2012Assignee: FUJIFILM CorporationInventors: Takashi Miyahara, Masayuki Harada
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Publication number: 20110303121Abstract: The present invention relates to the novel material fluorographene (FG), methods of making fluorographene, and its applications in electronics and related fields. The fluorographene also finds use in improving the properties of composite materials by incorporating the fluorographene of the invention with one or more materials such as fluoropolymers (FP) and the like. Conventionally, FP inter-chain interactions are very weak but spread over the area of FG, FG is able to act as a very effective and compatible reinforcement.Type: ApplicationFiled: June 10, 2011Publication date: December 15, 2011Applicant: The University of ManchesterInventors: ANDRE GEIM, Rahul Raveendran-Nair, Kostya Novoselov
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Publication number: 20110268894Abstract: A liquid crystal compound, a liquid crystal composition, and a liquid crystal electric optical device having a low rotational viscosity (?1) and appropriate elastic constants. A fluorine-containing liquid crystal compound represented by formula (1). R1-(A1-Z1)a-(A2-Z2)b-(A3-Z3)c-A4-(CH2)n-CF?CF—R2 (1), R1 is a hydrogen atom, a halogen atom, or an alkyl group, R2 is a halogen atom or an alkyl group that may be halogen-substituted or which may include a (thio)ether group, A1 to A4 may be a phenylene group or a cyclohexylene group that may be halogen-substituted or which may include a (thio)ether group, Z1 to Z3 are a single bond, —O—, —S—, or a divalent aliphatic hydrocarbon group that may be halogen-substituted or which may include a (thio)ether group. n is an integer from 0 to 3, and a, b, and c are 0 or 1, provided that a+b+c is 1 or greater.Type: ApplicationFiled: December 22, 2009Publication date: November 3, 2011Applicant: AGC Seimi Chemical Co., Ltd.Inventors: Tomoko Yaguchi, Tomoyuki Asai, Hidemasa Koh
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Patent number: 7981486Abstract: A compound represented by the following formula (1), a liquid crystal composition containing the compound and a liquid crystal display device containing the composition: all the symbols in the formula (1) are defined in the specification.Type: GrantFiled: March 18, 2009Date of Patent: July 19, 2011Assignees: JNC Corporation, Chisso Petrochemical CorporationInventor: Yasuyuki Sasada
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Publication number: 20110098517Abstract: The invention relates to the use of subfluorinated carbons as a solid lubricant. Said subfluorinated carbons simultaneously contain fluorinated carbon domains with a (CF)n structure and non-fluorinated graphitic carbon domains, in powder form, as a solid lubricant. The invention can be used in the field of solid lubricants.Type: ApplicationFiled: May 27, 2009Publication date: April 28, 2011Inventors: André Hamwi, Marc Dubois, Katia Guerin, Rachid Yazami
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Publication number: 20110082053Abstract: Provided is a molecular rectifier comprised of a diamondoid molecule and an electron acceptor attached to the diamondoid molecule. The electron acceptor is generally an electron accepting aromatic species which is covalently attached to the diamondoid.Type: ApplicationFiled: January 30, 2009Publication date: April 7, 2011Inventors: Wanli Yang, Zhi-Xun Shen, Harindran C. Manoharan, Nicholas A. Melosh, Michael A. Kelly, Andrey A. Fokin, Peter R. Schreiner, Jason C. Randel
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Patent number: 7732022Abstract: Disclosed are fluorostilbene compounds of formula I, liquid-crystal media which comprise these compounds, the use of the media in electro-optical displays, in particular in VAN LCDs, and a process for the preparation of these compounds.Type: GrantFiled: December 10, 2007Date of Patent: June 8, 2010Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Melanie Klasen-Memmer, Matthias Bremer, Atsutaka Manabe
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Patent number: 7695777Abstract: A liquid crystal compound selected from a group of compounds represented by formula (a): wherein Ra and Rb are each independently alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons, alkenyl having 2 to 10 carbons, alkenyloxy having 2 to 9 carbons, fluoroalkyl having 1 to 10 carbons or fluoroalkoxy having 1 to 9 carbons; ring A1, ring A2 and ring A3 are each independently trans-1,4-cyclohexylene, trans-1,3-dioxane-2,5-diyl, trans-tetrahydropyran-2,5-diyl, 1,4-phenylene, 2-fluoro-1,4-phenylene, 2,3-difluoro-1,4-phenylene, 2,5-difluoro-1,4-phenylene, 2,6-difluoro-1,4-phenylene, pyridine-2,5-diyl, 6-fluoropyridine-2,5-diyl or pyridazine-2,5-diyl; Z1, Z2 and Z3 are each independently a single bond, —(CH2)2—, —CH?CH—, —C?C—, —CH2O, —OCH2—, —COO—, —OCO—, —OCF2—, —CF2O—, —CH2CH2OCF2— or —CF2OCH2CH2—; l, m and n are each independently 0, 1 or 2, provided that l+m+n is 0, 1, 2 or 3; one of X1 and X2 is fluorine, and the other is chlorine; Q is and atoms comprising theType: GrantFiled: September 5, 2007Date of Patent: April 13, 2010Assignees: Chisson Corporation, Chisso Petrochemical CorporationInventors: Yasuyuki Goto, Teru Shimada, Hiroaki Fujita, Norikatsu Hattori
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Patent number: 7612243Abstract: The present invention relates to cyclopenta[b]naphthalene derivatives to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising at least one of these cyclopenta[b]naphthalene derivatives, and to electro-optical display elements containing these liquid-crystalline or mesogenic media.Type: GrantFiled: October 31, 2007Date of Patent: November 3, 2009Assignee: Merck Patent GmbHInventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer, Michael Heckmeier
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Publication number: 20090267026Abstract: A liquid crystal compound is to be obtained that has stability to heat, light and so forth, a high clearing point, a suitable optical anisotropy, a large negative dielectric anisotropy, and excellent compatibility with other liquid crystal compounds. A liquid crystal composition containing the compound is also to be obtained that has a low viscosity, a suitable optical anisotropy, a suitable negative dielectric anisotropy, a low threshold voltage, a high maximum temperature of a nematic phase (phase transition temperature from a nematic phase to an isotropic phase), and a low minimum temperature of a nematic phase. A compound having a hydrocoumarin skeleton is synthesized, and a liquid crystal composition containing the compound is produced.Type: ApplicationFiled: December 8, 2006Publication date: October 29, 2009Inventors: Mayumi Goto, Teruyo Sugiura, Norikatsu Hattori, Kouki Sagou
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Publication number: 20090186998Abstract: Fluorinated paracyclophane compounds represented by the formula: where least one of R1 and R2 comprises a fluorinated moiety is disclosed. These compounds can be utilized as precursor dimer compounds to produce polymeric coatings comprising copolymers of trifluorinated paraxylylene, including flexible fluorinated paraxylylene coatings.Type: ApplicationFiled: December 9, 2008Publication date: July 23, 2009Applicant: SPECIALTY COATING SYSTEMS, INC.Inventors: Phillip Hanefeld, Sven Horst, Markus Meise, Michael Bognitzki, Andreas Greiner, Rakesh Kumar
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Patent number: 7524998Abstract: A dendron (2) comprising a focal point (4) and a plurality of fluorinated end groups (9) is disclosed, including one having a thiol, a silane, a carboxylic acid, a phosphonate or another moiety at the focal point suitable for chemisorption to a substrate (3). A self-assembled monolayer comprising a plurality of dendrons bonded to a substrate and a device comprising the self-assembled monolayer are also disclosed.Type: GrantFiled: June 30, 2005Date of Patent: April 28, 2009Assignees: Seiko Epson Corporation, Cambridge University Technical Service, Ltd.Inventors: Hitoshi Fukushima, Satoshi Nebashi, Masaya Ishida, Wilhelm J S Huck, Andrew B Holmes, Christine K Luscombe
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Patent number: 7470499Abstract: A noble alicyclic unsaturated compound represented by the general formula (1): wherein at least one of R1 and R2 is a fluorine atom or a fluorinated alkyl group; a polymer formed by the polymerization of a polymer precursor comprising the alicyclic compound. The polymer is useful, in the lithography using a light having a wavelength of 190 nm or less, as a chemically amplified resist which exhibits excellent transparency with respect to the light for use in exposure and also is excellent in the adhesion to a substrate and the resistance to dry etching.Type: GrantFiled: March 4, 2004Date of Patent: December 30, 2008Assignee: NEC CorporationInventors: Katsumi Maeda, Kaichiro Nakano
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Publication number: 20080266512Abstract: The present invention provides a liquid crystal material, method for producing the liquid crystal material, and liquid crystal device thereof which shows low light absorption in the ultraviolet light region. A compound of formula (I) wherein R is an alkyl or alkenyl group which is optionally interposed with one or more oxygen or sulphur atoms, Y is independently selected from oxygen or sulphur, n is an integer of from 2 to 8, X is a direct bond, C1-4alkylene or C2-4alkenylene, and A is selected from a various specified ring structures. The liquid crystal material (compounds) are of low birefringence and are U.V. stable and are useful in liquid crystal devices that need low birefringence such as reflective displays, or which are exposed to high levels of U.V. light such as phosphor display cells.Type: ApplicationFiled: July 15, 2005Publication date: October 30, 2008Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Neil Campbell, Jun Yamamoto, Hiroshi Yokoyama
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Patent number: 7351452Abstract: A compound of formula (I) or a dimer thereof; where R1 and R2 are independently selected from optionally substituted alkyl, optionally substitituted alkenyl, optionally substituted alkynyl, a functional group or a group of sub-formula (i) —(O)m—(CH2)p—R7??(i) where m is 0 or 1; p is an integer of from 1 to 12; R7 is a group of formula —CqX2q+1 where q is an integer of from 1 to 12 and X is halogen such as fluoro, or R7 a group of sub-formula (ii) where k is an integer of from 1 to 10, R8, R10, and R12 and each R9 and R11 are independently selected from alkyl, alkenyl or aryl, such as lower alkyl and in particular methyl; provided that at least one of R1 or R2 is a group of sub-formula (i); R3, R4, R5 and R6 are independently selected from hydrogen or halogen, and in particular fluorine, n is 0 or 1, and A is a ring structure as specified. Compounds of formula (I) may have liquid crystal properties and/or be useful in liquid crystal devices.Type: GrantFiled: November 7, 2002Date of Patent: April 1, 2008Assignee: Qinetiq LimitedInventors: John W Goodby, Michael Hird, Kenneth J Toyne, Chu C Dong, Robert D. C Richards
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Patent number: 7318950Abstract: The invention relates to chiral compounds of formula (I) R1—X1-(A1-Z1)m-G-(Z2-A2)n-X2—R2, wherein R1, R2, X1, X2, A1, A2, Z1, Z2, G, m and n have the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).Type: GrantFiled: June 25, 2001Date of Patent: January 15, 2008Assignee: Merck GmbHInventors: Peer Kirsch, Andreas Tangerbeck, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi
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Patent number: 7270856Abstract: The invention relates to novel cyclobutane derivatives of the formula (I), in which R1, R2, A, Z, m, n and o have the meaning indicated in claim 1, to the use thereof as components of liquid-crystalline media, and to liquid-crystal and electro-optical display elements which contain the liquid-crystalline media according to the inventionType: GrantFiled: November 5, 2003Date of Patent: September 18, 2007Assignee: Merck Patent GmbHInventors: Andreas Taugerbeck, Michael Heckmeier, Peer Kirsch, Georg Luessem, Eike Poetsch
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Patent number: 7166755Abstract: This invention relates to 2-pentafluorosulfanylnapthalene, substituted derivatives thereof and to a process for producing naphthalene carrying an SF5 group. A 3-step process is employed wherein 1,4-dihydronaphthalene is reacted with pentafluorosulfanyl halide. Next the resulting 3-halo-2-pentafluorosulfanylnaphthalene or derivative is converted to 2-pentafluorosulfanyl-1,4-dihydronaphthalene or derivative by treatment with a base and subsequently transformed into pentafluorosulfanylnaphthalene by removing hydrogen atoms.Type: GrantFiled: September 30, 2004Date of Patent: January 23, 2007Assignee: Air Products and Chemicals, Inc.Inventors: Gauri Sankar Lal, Kristen Elaine Minnich
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Patent number: 7084314Abstract: Polycyclic fluoroalkanes that are highly transparent to UV wavelengths ranging from about 190 nm to 260 nm are provided. The polycyclic fluoroallkanes are suitable for use in a variety of applications, particularly in the vacuum UV and deep UV region of the electromagnetic spectrum. For example, the polycyclic fluoroalkanes are useful in optical couplants, optical cements, optical elements, optical inspection media for semiconductor wafers and devices, and immersion photolithography, particularly at 193 and 248 nm exposure wavelength.Type: GrantFiled: June 9, 2005Date of Patent: August 1, 2006Assignee: E. I du Pont de Nemours and CompanyInventors: Roger Harquail French, Weiming Qiu, Sheng Peng
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Patent number: 7078575Abstract: Processes for preparing high purity polycyclic fluoroalkanes are provided. The polycyclic fluoroalkanes are useful as solvents, cleaning agents, heat transfer fluids, refrigerants, lubricants, and, in a preferred embodiment, by virtue of high refractive index and high transparency to UV wavelengths, optical applications in the vacuum ultraviolet (VUV).Type: GrantFiled: June 9, 2005Date of Patent: July 18, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: Weiming Qiu, Sheng Peng
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Patent number: 7029730Abstract: The invention relates to CF2O-bridged cyclohexane derivatives, in particular compounds of formula (I), R1-(-A1-Z1-)k1-Q-CF2O-A2-(-Z3-A3-)K3-R2, wherein Q represents group (a); W1, W2 represent —CH2— and/or —O— independendy from each other, X1, X2, X3, X4 represent H, F, —CH3—CH2F—CH2F and/or —CF3 independently from each other, provided that at least one substituent X1, X2, X3 and/or X4 does not represent H, Z2 represents a simple bond, —CH2—CH2— or —CF2—CF2—, m represents 0 or 1 and R1, R2, A1, A2, A3, Z1, Z3, k1 and k3 have the meaning cited in the description. The invention further relates to liquid crystal substances such as optical and electro-optical display elements.Type: GrantFiled: May 2, 2002Date of Patent: April 18, 2006Assignee: Merck Patent GmbHInventors: Peer Kirsch, Andreas Taugerbeck, Detlef Pauluth, Joachim Krause, Kazuaki Tarumi, Georg Lüssem
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Patent number: 6916513Abstract: The invention relates to 2,4?-substituted 6-cyclohexyl-trans-decalins of the general formula I in which R1, R2 and Z are as defined in Claim 1, to the use thereof as components of liquid-crystalline media, and to a liquid-crystal display element and an electro-optical display element.Type: GrantFiled: March 22, 2002Date of Patent: July 12, 2005Assignee: Merck Patent GmbHInventors: Matthias Bremer, Detlef Pauluth, Georg Lüssem
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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: 6759101Abstract: Compounds that are useful as components in liquid crystal compositions, particularly in ferroelectric liquid crystal compositions. Compounds of the invention are rod-like molecules with a mesogenic (generally linear) core to which an alkene tail and an alkyl or alkoxy tail with a perfluoroalkyl terminal portion are bonded. Compounds of the invention can contain a variety of one, two or three ring cores, wherein the rings maybe aromatic or alicyclic. Alkenes of the invention are useful as components to improve LC properties of mixtures, for example, to lower melting point of lower freezing point, of LC compositions.Type: GrantFiled: January 3, 2001Date of Patent: July 6, 2004Assignee: Displaytech, Inc.Inventors: Neil Gough, Rohini Vohra, Michael Wand, Kundalika More, William N. Thurmes
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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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Publication number: 20040089845Abstract: Novel phenylcyclohexanes of the formula I 1Type: ApplicationFiled: October 30, 2003Publication date: May 13, 2004Inventors: Andreas Wachtler, Reinhard Hittich, Eike Poetsch, Herbert Plach, David Coates, Bernhard Rieger, Joachim Krause
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Patent number: 6733883Abstract: This invention relates to novel fluorinated dendrons and to a universal strategy for producing functional fluorinated dendrons programmed to self-assemble into supramolecular nanocylinder compositions containing p-stacks of high electron or hole mobility donors (D), acceptors (A), or D-A complexes in the core. Such nanocylinder compositions are uniquely applicable to devices spanning from single supramolecule to nanoscopic and to macroscopic scales including transistors, photovoltaics, photoconductors, photorefractives, light emissives, and optoelectronics.Type: GrantFiled: November 12, 2002Date of Patent: May 11, 2004Assignee: The Trustees of the University of PennsylvaniaInventor: Virgil Percec
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Publication number: 20040046150Abstract: The invention relates to liquid-crystalline compounds of the formula I 1Type: ApplicationFiled: June 12, 2003Publication date: March 11, 2004Inventors: Peer Kirsch, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Georg Lussem, Dagmar Klement
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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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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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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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Publication number: 20030190436Abstract: The invention relates to a liquid crystalline compound of the formula I 1Type: ApplicationFiled: November 7, 2002Publication date: October 9, 2003Applicant: Merck Patent GmbHInventors: Atsutaka Manabe, Matthias Bremer
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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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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