Plural Ring Hetero Atoms In The Heptacyclo Ring System Patents (Class 546/36)
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Patent number: 9315477Abstract: Various materials and polymers having electron deficient moieties and methods of synthesizing thereof are described herein. Specifically, a C—H bond activation method is disclosed wherein an electron deficient group having one or more activated C—H bonds is coupled to one or more aryl groups to afford materials or polymers which may be used in organic electronic and photonic applications.Type: GrantFiled: January 30, 2015Date of Patent: April 19, 2016Assignee: Georgia Tech Research CorporationInventors: Seth Marder, Junxiang Zhang
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Patent number: 9000169Abstract: The present invention provides a new compound and an organic electronic device using the same. The organic electronic device according to the present invention exhibits excellent properties in views of efficiency, driving voltage and a life span.Type: GrantFiled: December 21, 2012Date of Patent: April 7, 2015Assignee: LG Chem, Ltd.Inventors: Dong Hoon Lee, Tae Yoon Park, Jungi Jang, Song Kil Hong, Seong So Kim, Boonjae Jang, Sangbin Lee, Kidong Koo
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Publication number: 20150010921Abstract: The present invention relates to a method for detecting cell death using a luminescent compound; to the luminescent compounds for particular uses; to a kit comprising compounds and to a protein. The method is applicable for detecting cell death, essentially regardless of the mechanism through which cell death occurred or is occurring and is therefore not limited e.g. to detecting cell death resulting from only one mechanism selected from apoptosis and necrosis.Type: ApplicationFiled: February 6, 2013Publication date: January 8, 2015Applicants: HQ Medical Netherlands B.V., Publiekrechtelijk rechtspersoon Academisch Ziekenhuis Leiden h.o.d.n. LUMCInventors: Markwin Hendrik Maring, Clemens Waltherus Gerardus Löwik, Ermond Reijer Van Beek
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Publication number: 20140356873Abstract: The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic rings. Many of the dyes of the invention are useful fluorescent dyes. The invention includes chemically reactive dyes, dye-conjugates, and the use of such dyes in staining samples and detecting ligands or other analytes.Type: ApplicationFiled: August 18, 2014Publication date: December 4, 2014Inventors: Zhenjun DIWU, Jixiang LIU, Kyle GEE
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Patent number: 8779137Abstract: The present invention provides a novel compound having an excellent property to inject a hole into a device such as an organic EL device.Type: GrantFiled: December 22, 2010Date of Patent: July 15, 2014Assignee: Sumitomo Chemical Company, LimitedInventor: Satoshi Kobayashi
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Publication number: 20130337536Abstract: The present disclosure is directed to a reactive ester agent capable of conjugating a reporter molecule to a carrier molecule or solid support. The reactive ester agent has the general formula: wherein the variables are described throughout the application.Type: ApplicationFiled: August 21, 2013Publication date: December 19, 2013Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Evan Antoulinakis, Kyle Gee, Aleksey Rukavishnikov
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Publication number: 20130264547Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one layer of organic layers including a light emitting layer, disposed between the electrodes, in which at least one of the organic layers contains a compound represented by the following general formula: (R1 to R18 each independently represent a hydrogen atom or a substituent, and at least one of R1 to R8 and R10 to R17 represents -L-NR19R20 (R19 and R20 each independently represent any of an alkyl group, an aryl group, a heteroaryl group. R19 and R20 may be combined to each other to form a ring. L represents a single bond or a divalent linking group). X1 to X18 each independently represent a carbon atom or a nitrogen atom, and when X1 to X18 represent nitrogen atoms, R1 to R18 for bonding do not present.Type: ApplicationFiled: February 4, 2013Publication date: October 10, 2013Applicant: UDC Ireland LimitedInventors: Tetsu Kitamura, Tenka Ouyo, Yuki Hirai, Koji Takaku, Wataru Sotoyama, Masaru Kinoshita, Kuniyuki Kaminaga, Yosuke Yamamoto
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Patent number: 8541583Abstract: The invention relates to novel perylenetetracarboxylic acid bisimide derivatives with improved performance properties.Type: GrantFiled: August 9, 2010Date of Patent: September 24, 2013Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.Inventors: Christopher Kohl, Jianqiang Qu, Klaus Mullen
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Patent number: 8530660Abstract: The present invention relates to carboxamide-substituted dyes, the production and use of such dyes as labeling groups in analytics.Type: GrantFiled: March 18, 2011Date of Patent: September 10, 2013Assignee: ATTO-TEC GmbHInventors: Jutta Arden-Jacob, Karl-Heinz Drexhage, Monika Hamers-Schneider, Norbert Kemnitzer, Alexander Zilles
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Patent number: 8426436Abstract: The present invention relates to steroidal alkaloids that can be used in the treatment of hedgehog pathway related disorders, particularly cancer.Type: GrantFiled: June 24, 2011Date of Patent: April 23, 2013Assignee: Infinity Discovery, Inc.Inventors: Alfredo C. Castro, Michael J. Grogan, Martin Tremblay
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Patent number: 8399670Abstract: The present invention is directed to novel process for the preparation of regioselective perylenediimides derivatives, specifically mono and dibrominated derivatives.Type: GrantFiled: May 6, 2008Date of Patent: March 19, 2013Assignee: Yeda Research and Development Co.LtdInventors: Boris Rybtchinski, Paramasivan Rajasingh, Elijah Shirman
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Publication number: 20120315661Abstract: The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic rings. Many of the dyes of the invention are useful fluorescent dyes. The invention includes chemically reactive dyes, dye-conjugates, and the use of such dyes in staining samples and detecting ligands or other analytes.Type: ApplicationFiled: May 14, 2012Publication date: December 13, 2012Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Zhenjun DIWU, Jixiang LIU, Kyle GEE
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Publication number: 20120286654Abstract: The present invention provides a novel compound having an excellent property to inject a hole into a device such as an organic EL device.Type: ApplicationFiled: December 22, 2010Publication date: November 15, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Satoshi Kobayashi
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Patent number: 8236956Abstract: The present invention provides compositions and methods for modulating smoothened-dependent pathway activation. The present invention provides analogs of cyclopamine that can be used to counteract the phenotypic effects of unwanted activation of a hedgehog pathway, such as resulting from hedgehog gain-of-function, Ptc loss-of-function or smoothened gain-of-function mutations. The compounds of the present invention are particularly useful in treating cancers.Type: GrantFiled: December 15, 2010Date of Patent: August 7, 2012Assignee: Infinity Pharmaceuticals, Inc.Inventors: Julian Adams, Alfredo C. Castro, Michael A. Foley, Somarajan Nair Janardanan Nair, Marta Nevalainen, James R. Porter, Martin R. Tremblay
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Patent number: 8183375Abstract: The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic rings. Many of the dyes of the invention are useful fluorescent dyes. The invention includes chemically reactive dyes, dye-conjugates, and the use of such dyes in staining samples and detecting ligands or other analytes.Type: GrantFiled: October 11, 2010Date of Patent: May 22, 2012Assignee: Life Technologies CorporationInventors: Zhenjun Diwu, Jixiang Liu, Kyle Gee
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Patent number: 8134017Abstract: A compound represented by the following formula (1) or (2):Type: GrantFiled: December 2, 2010Date of Patent: March 13, 2012Assignee: RikenInventors: Shinichiro Kamino, Shuichi Enomoto
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Patent number: 8114529Abstract: The invention provides a light emitting device having a low driving voltage and excellent durability by a material for a light emitting device expressed by the general formula (1): wherein each of R1, R2, R3, R4, R5 and R6 may be the same or different and is selected from hydrogen, an alkyl group, and an aryl group, A represents an n-valent aromatic hydrocarbon group, B represents an alkyl group or an aryl group, X represents carbon or nitrogen, n represents a natural number from 2 to 6, and n substituents having a phenanthroline skeleton or a benzoquinoline skeleton may be the same or different.Type: GrantFiled: August 23, 2004Date of Patent: February 14, 2012Inventors: Daisuke Kitazawa, Tsuyoshi Tominaga, Mariko Sano, Takeshi Ishigaki, Kazunori Sugimoto
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Publication number: 20120007069Abstract: The present invention provides a novel nitrogen-containing heterocyclic derivative and an organic electronic device using the same. The organic electronic device according to the present invention has excellent properties in terms of efficiency, driving voltage, and a life span.Type: ApplicationFiled: September 23, 2011Publication date: January 12, 2012Inventors: Dong-Hoon Lee, Tae-Yoon Park, Jae-Soon Bae, Hyun Nam, Jun-Gi Jang, Sung-Kil Hong
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Publication number: 20110266533Abstract: The present invention relates to compounds of the formula (1) and to the use thereof in organic electronic devices, and to organic electronic devices which comprise compounds of the formula (1), preferably as hole-transport materials and/or as emitting materials.Type: ApplicationFiled: December 22, 2009Publication date: November 3, 2011Applicant: Merck Patent GmbHInventors: Arne Buesing, Holger Heil, Philipp Stoessel, Amir Hossain Parham, Rocco Fortte, Jonas Valentin Kroeber
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Patent number: 8044203Abstract: This invention relates to the functionalized cyanine dyes and more particularly, to the synthesis of chiral 3-substituted 2,3?-dimethyl-3H-indole and its derivatives as intermediates for preparation of cyanine dyes, to methods of preparing these dyes and the dyes so prepared.Type: GrantFiled: October 13, 2009Date of Patent: October 25, 2011Assignees: Carnegie Mellon University, GE Healthcare UK LimitedInventors: Ratnaker B. Mujumdar, Richard Martin West
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Publication number: 20110253944Abstract: The present invention relates to a novel polycyclic aromatic organic semiconductor compound having a polycyclic aromatic core, a method for preparing the same, and electronic, optical or electro-optical devices such as an organic semiconductor composition, organic semiconductor thin film, organic field effect transistor and solar cell containing the compound. The novel organic semiconductor compound according to the present invention has high crystallinity and control capability, and facilitates control of doping conditions in the manufacture of organic semiconductor element so that it can be used for diverse applications. The compound can be mass-produced at low cost and has high solubility in organic solvents so that a liquid phase process can be applied to the manufacture of semiconductor elements and the like, thus enabling the mass-production of semiconductor elements and solar cells at low cost.Type: ApplicationFiled: December 23, 2009Publication date: October 20, 2011Applicant: LUMINANO CO., LTD.Inventors: Sung Hwan Han, Cheon Gyu Cho
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Publication number: 20110127513Abstract: The present invention provides a novel nitrogen-containing heterocyclic derivative and an organic electronic device using the same. The organic electronic device according to the present invention has excellent properties in terms of efficiency, driving voltage, and a life span.Type: ApplicationFiled: November 3, 2009Publication date: June 2, 2011Applicant: LG CHEM, LTD.Inventors: Dong-Hoon Lee, Tae-Yoon Park, Jae-Soon Bae, Hyun Nam, Jun-Gi Jang, Sung-Kil Hong
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Publication number: 20110068328Abstract: The invention relates to compounds of the formula (I) in which Y1 and Y2 are each O or, respectively, NRa or NRb, where Ra and Rb are each H or organyl; Z1 to Z4 are each O or S; R11 to R14, R21 to R24 are each Cl, F; where 1 or 2 of the R11 to R14, R21 to R24 radicals may also be CN and/or 1 R11 to R14, R21 to R24 radical may be H; and where, when Y1 is NRa, Z1 or Z2 may also be NRc, where Ra and Rc together are a bridging X group having from 2 to 5 atoms; and where, when Y2 is NRb, Z3 or Z4 may also be NRd, where Rb and Rd together are a bridging X group having from 2 to 5 atoms; to a process for preparation thereof, and to their use as emitter materials, charge transport materials or exciton transport materials.Type: ApplicationFiled: August 13, 2008Publication date: March 24, 2011Applicant: BASF SEInventors: Martin Koenemann, Gabriele Mattern, Gerd Weber
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Publication number: 20110027800Abstract: The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic rings. Many of the dyes of the invention are useful fluorescent dyes. The invention includes chemically reactive dyes, dye-conjugates, and the use of such dyes in staining samples and detecting ligands or other analytes.Type: ApplicationFiled: October 11, 2010Publication date: February 3, 2011Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Zhenjun DIWU, Jixiang Liu, Kyle Gee
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Publication number: 20100267008Abstract: This invention relates to the functionalized cyanine dyes and more particularly, to the synthesis of chiral 3-substituted 2,3?-dimethyl-3H-indole and its derivatives as intermediates for preparation of cyanine dyes, to methods of preparing these dyes and the dyes so prepared.Type: ApplicationFiled: October 13, 2009Publication date: October 21, 2010Applicants: Carnegie Mellon University, GE Healthcare UK LimitedInventors: Ratnaker B. MUJUMDAR, Richard Martin West
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Patent number: 7816519Abstract: The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic rings. Many of the dyes of the invention are useful fluorescent dyes. The invention includes chemically reactive dyes, dye-conjugates, and the use of such dyes in staining samples and detecting ligands or other analytes.Type: GrantFiled: November 16, 2006Date of Patent: October 19, 2010Assignee: Life Technologies CorporationInventors: Zhenjun Diwu, Jixiang Liu, Kyle Gee
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Patent number: 7799919Abstract: The invention relates to novel perylenetetracarboxdiimide derivatives with improved performance properties.Type: GrantFiled: February 27, 2004Date of Patent: September 21, 2010Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.Inventors: Christopher Kohl, Jianqiang Qu, Klaus Müllen
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Patent number: 7795432Abstract: The invention relates to novel perylenetetracarboxylic acid bisimide derivatives with improved performance properties.Type: GrantFiled: February 27, 2004Date of Patent: September 14, 2010Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.Inventors: Christopher Kohl, Jianqiang Qu, Klaus Müllen
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Publication number: 20100108959Abstract: The invention provides materials and methods for making anisotropic solids which may be in the form of films, layers, shaped elements, and other shaped articles. The methods provide anisotropic solids without the need for rolling, rubbing, or stretching to impart orientational alignment of the molecules of the solid. The methods employ organic or organometallic compounds which are soluble orienting molecules. The solvent or solvent system must be sufficiently volatile to be removed without disruption of the molecular orientation. The soluble orienting molecules include those containing one or more hydrophilic and/or ionic groups and the solvent or solvent system can be a polar organic solvent or solvent system or an aqueous solvent or solvent system. The invention also provides novel compounds having quaterrylene, perylene and naphthalene ring systems carrying one or more hydrophilic and/or ionic groups.Type: ApplicationFiled: September 25, 2009Publication date: May 6, 2010Inventors: Travis D. Carson, Sean M. Casey, Isaac K. Iverson, Wonewoo Seo, Suk-Wah Tam-Chang
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Patent number: 7678907Abstract: A process for preparing halogenated rylenecarboximides of the general formula I in which the variables are each defined as follows: A, B together are an imide radical or, in the case that n is 1, A and B are also each Hal or one radical is Hal and the other radical is halogen; R, R? are each independently hydrogen; optionally substituted alkyl, cycloalkyl, aryl or hetaryl; Hal is chlorine, bromine or iodine; n is 1, 2 or 3; x is from 2 to 8, by reacting a rylenecarboximide of the general formula II in which the A? and B? radicals together are an imide radical or, in the case that n is 1, are also each hydrogen with elemental halogen in the presence of an inert organic solvent S1, which comprises continuously withdrawing the hydrogen halide formed in the course of the reaction from the solvent S1.Type: GrantFiled: September 28, 2005Date of Patent: March 16, 2010Assignee: BASF AktiengessellschaftInventors: Martin Koenemann, Neil Gregory Pschirer
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Publication number: 20090281279Abstract: Disclosed are analogues of trimethine cyanine dyes, which are useful for importing fluorescent properties to target materials by covalent and non-covalent association.Type: ApplicationFiled: May 15, 2007Publication date: November 12, 2009Applicant: Carnegie Mellon UniversityInventors: Alan S. Waggoner, Ratnakar B. Mujumdar
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Publication number: 20090068751Abstract: Dibenzorhodamine compounds having the structure are disclosed, including nitrogen- and aryl-substituted forms thereof. In addition, two intermediates useful for synthesizing such compounds are disclosed, a first intermediate having the structure including nitrogen- and aryl-substituted forms thereof, and a second intermediate having the structure including nitrogen- and aryl-substituted forms thereof, wherein substituents at positions C-14 to C18 taken separately are selected from the group consisting of hydrogen, chlorine, fluorine, lower alkyl, carboxylic acid, sulfonic acid, —CH2OH, alkoxy, phenoxy, linking group, and substituted forms thereof. The invention further includes energy transfer dyes comprising the dibenzorhodamine compounds, nucleosides labeled with the dibenzorhodamine compounds, and nucleic acid analysis methods employing the dibenzorhodamine compounds.Type: ApplicationFiled: July 8, 2008Publication date: March 12, 2009Applicant: Applied Biosystems Inc.Inventors: Scott C. BENSON, Joe Y.L. Lam, Steven Michael Menchen
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Patent number: 7408062Abstract: Disclosed are analogues of trimethine cyanine dyes, which are useful for importing fluorescent properties to target materials by covalent and non-covalent association.Type: GrantFiled: January 27, 2003Date of Patent: August 5, 2008Assignee: Carnegie Mellon UniversityInventors: Alan S. Waggoner, Ratnakar B. Mujumdar
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Patent number: 7169922Abstract: The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic rings. Many of the dyes of the invention are useful fluorescent dyes. The invention includes chemically reactive dyes, dye-conjugates, and the use of such dyes in staining samples and detecting ligands or other analytes.Type: GrantFiled: November 13, 2003Date of Patent: January 30, 2007Assignee: Invitrogen CorporationInventors: Zhenjun Diwu, Jixiang Liu, Kyle Gee
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Patent number: 6727098Abstract: A novel achiral biaryl-type compound and a circular dichroism (CD) color fixing agent are provided. Furthermore, a method for determining an absolute configuration of a chiral compound is carried out by introducing the above achiral biaryl-type compound into the chiral compound.Type: GrantFiled: February 26, 2002Date of Patent: April 27, 2004Assignee: Kanazawa UniversityInventors: Tomihisa Ohta, Shinzo Hosoi
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Patent number: 6716979Abstract: The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic rings. Many of the dyes of the invention are useful fluorescent dyes. The invention includes chemically reactive dyes, dye-conjugates, and the use of such dyes in staining samples and detecting ligands or other analytes.Type: GrantFiled: August 4, 2001Date of Patent: April 6, 2004Assignee: Molecular Probes, Inc.Inventors: Zhenjun Diwu, Jiaxing Liu, Richard P. Haugland, Kyle R. Gee
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Patent number: 6699876Abstract: Compound of formula (I): wherein: n is 0, 1 or 2, R1 represents (C3-C11)cycloalkyl or (C3-C11)cycloalkylalkyl, R2, R3, R4 and R5 are selected from hydrogen, halogen, alkyl, alkenyl, alkynyl, perhaloalkyl, cycloalkyl, cycloalkylalkyl, hydroxy, hydroxyalkyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, acyloxy, carboxy, nitro, cyano, aminocarbonyl (optionally substituted), and the groups (CH2)p—NaRb and —O—C(O)—N—RaRb, with p, Ra and Rb being as defined in the description, or two adjacent groups R2, R3, R4 and R5 together form a group —O—(CH2)t—O, t being integer from 1 to 3, R60, R70n, R80 and R90 represent a hydrogen atom, a hydroxy group, an alkoxy group, or an O—(CO)—X or O—(CO)—NXW group as defined in the description, R61, R71n, R81, and R91 represent a hydrogen atom, alkyl, alkenyl or alkynyl, or taken in pairs together form a bond or an oxirane group, or two groups together form an oxo group.Type: GrantFiled: November 20, 2002Date of Patent: March 2, 2004Assignee: Les Laboratoires ServierInventors: Gilbert Lavielle, Patrick Hautefaye, Alain Pierre, Ghanem Atassi, John Hickman, Bernard Cimetiere
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Patent number: 6689887Abstract: Certain non-nucleoside compounds that will selectively inhibit telomerase by targeting the nucleic add structures, such as G-quadruplexes, that may be associated with human telomeres or telomerase have been identified. Inhibition of human telomerase by two perylenetetracarboxylic acid diimides and a carbocyanine has been demonstrated. 1H-NMR studies have evidenced the stabilization of a G-quadruplex by the perylenetetracarboxylic acid diimide compounds and provided evidence that these and structurally related compounds inhibit the telomerase enzyme by a mechanism consistent with interaction with G-quadruplex structures.Type: GrantFiled: December 5, 2000Date of Patent: February 10, 2004Assignee: Board of Regents, The University of Texas SystemInventors: Sean M. Kerwin, Oleg Y. Fedoroff, Miguel Salazar, Laurence H. Hurley
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Publication number: 20030224391Abstract: Disclosed are analogues of trimethine cyanine dyes which are useful for imparting fluorescent properties to target materials by covalent and non-covalent association.Type: ApplicationFiled: January 27, 2003Publication date: December 4, 2003Applicant: Carnegie Mellon UniversityInventors: Alan S. Waggoner, Ratnakar B. Mujumdar
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Patent number: 6646126Abstract: The present invention provides a process for preparing transparent perylimide pigments of the formula (I): in which u is a number from 0 to 8 and, if u>0, E is a chlorine or bromine atom and, where u>1, may be a combination thereof, which comprises wet-grinding a crude perylimide pigment in a liquid medium in a stirred ballmill operated at a power density of from 1.0 kW per liter of milling space and at a stirrer tip speed of more than 12 m/s under the action of grinding media having a diameter of less than or equal to 0.9 mm, and isolating the resulting pigment.Type: GrantFiled: December 18, 2002Date of Patent: November 11, 2003Assignee: Clariant GmbHInventors: Joachim Weber, Gerhard Wilker, Manfred Urban, Martin Böhmer, Erwin Dietz
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Patent number: 6525200Abstract: Multicyclic aromatic compounds useful as complexing agents having the general formula: Methods of complexing and quantitating a component in a sample such as urea or guanidine are also disclosed.Type: GrantFiled: August 10, 2000Date of Patent: February 25, 2003Assignee: Roche Diagnostics CorporationInventors: Alisher B. Khasanov, Thomas W. Bell
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Patent number: 6521756Abstract: The present invention provides a process for preparing transparent perylimide pigments of the formula (I) in which u is a number from 0 to 8 and, if u>0, E is a chlorine or bromine atom and, where u>1, may be a combination thereof, which comprises wet-grinding a crude perylimide pigment in a liquid medium in a stirred ballmill operated at a power density of from 1.0 kW per liter of milling space and at a stirrer tip speed of more than 12 m/s under the action of grinding media having a diameter of less than or equal to 0.9 mm, and isolating the resulting pigment.Type: GrantFiled: February 5, 2001Date of Patent: February 18, 2003Assignee: Clariant GmbHInventors: Joachim Weber, Gerhard Wilker, Manfred Urban, Martin Böhmer, Erwin Dietz
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Patent number: 6258954Abstract: The present invention relates to compounds of formula I provided that R1 and R2 not simultaneously stand for phenyl, the use thereof in, for example, electroluminescent devices and as void detection compounds.Type: GrantFiled: August 22, 2000Date of Patent: July 10, 2001Assignee: Ciba Specialty Chemicals Corp.Inventors: Kazuhiko Kunimoto, Junji Otani, Kunihiko Kodama, Hiroshi Yamamoto, Patrick Verhoustraeten, Sonia Megert, Adalbert Braig
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Patent number: 6248884Abstract: Extended rhodamine compounds exhibiting favorable fluorescence characteristics having the structure are disclosed. In addition, novel intermediates for synthesis of these dyes are disclosed, such intermediates having the structure In addition, methods of making and using the dyes as fluorescent labels are disclosed.Type: GrantFiled: June 3, 1999Date of Patent: June 19, 2001Assignee: The Perkin-Elmer CorporationInventors: Joe Y. L. Lam, Scott C. Benson, Steven M. Menchen
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Patent number: 6165661Abstract: A mixture comprised of at least two perylenes and wherein the mixture includes symmetrical perylenes, unsymmetrical perylenes, and unsymmetrical perylenes with dissimilar R.sub.1 and R.sub.2 terminal substituents. The perylene mixtures can be selected for photoconductive imaging members.Type: GrantFiled: May 21, 1999Date of Patent: December 26, 2000Assignee: Xerox CorporationInventors: Cheng-Kuo Hsiao, Ah-Mee Hor, James M. Duff, Giuseppa Baranyi, C. Geoffrey Allen
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Patent number: 6156762Abstract: The present invention provides an indolomorphinan derivative or a pharmacologically acceptable acid addition salt thereof, and an agent for curing and preventing cerebral disorders composed of the derivative and salt thereof, which is represented by the following formula (I): ##STR1## [wherein R.sup.1 represents cyclopropylmethyl or the like; R.sup.2 and R.sup.3 each represent hydroxy methoxy, or the like; R.sup.4 represents hydrogen, methyl, benzyl, 3-isothiocyanatopropyl, or the like; and (R.sup.5).sub.m represents hydrogen, substituted benzo, or the like]. The compounds of the present invention have the excellent effect of preventing damage of the cerebral nerve cells.Type: GrantFiled: September 24, 1998Date of Patent: December 5, 2000Assignee: Toray Industries, Inc.Inventors: Hiroshi Nagase, Yoshifumi Imamura, Junichi Hirokawa, Susumu Matsuda, Yasushi Miyauchi
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Patent number: 6133445Abstract: Disclosed are analogues of trimethine cyanine dyes which are useful for imparting fluorescent properties to target materials by covalent and non-covalent association. The compounds have the following general formula: ##STR1## optionally substituted by groups R.sup.2 -R.sup.9 wherein groups R.sup.6, R.sup.7, R.sup.8 and R.sup.9 are attached to the rings containing X and Y or, optionally are attached to atoms of the Z.sup.a and Z.sup.b ring structures and groups R.sup.1 -R.sup.9 are chosen to provide desired solubility, reactivity and spectral properties to the fluorescent compounds;A is selected from O, S and NR.sup.11 where R.sup.11 is the substituted amino radical: ##STR2## where R' is selected from hydrogen, a C.sub.1-4 alkyl and aryl and R" is selected from C.sub.1-18 alkyl, aryl, heteroaryl, an acyl radical having from 2-7 carbon atoms, and a thiocarbamoyl radical; Z.sup.a and Z.sup.Type: GrantFiled: December 16, 1998Date of Patent: October 17, 2000Assignee: Carnegie Mellon UniversityInventors: Alan S. Waggoner, Ratnakar B. Mujumdar
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Patent number: 6084099Abstract: Preparation of N,N'-di(C.sub.1 -C.sub.4 alkyl)perylene-3,4,9,10-tetracarboxylic acid diimides (I) by the reaction of perylene-3,4,9,10-tetracarboxylic acid diimide (II) with a C.sub.1 -C.sub.4 alkyl halide, in which the reaction is carried out in a dipolar-aprotic organic solvent in the presence of an inorganic base.Type: GrantFiled: October 28, 1998Date of Patent: July 4, 2000Assignee: BASF AktiengesellschaftInventors: Claus Hackmann, Michael Acker, Georg Henning, Siegfried Mensch
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Patent number: 6063924Abstract: Compounds of formulaA(B).sub.x (I),wherein x is an integer from 1 to 4,A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxazine, phthalocyanine, diketopyrrolopyrrole or azo series, which radical A contains x N-atoms linked with B, preferably with at least one immediately adjacent or conjugated carbonyl group.B is a group of formula ##STR1## and, if x=2, 3 or 4, can also be one, two or three hydrogen atom(s), and wherein Q is a group of formula ##STR2## These soluble chromophores can be readily converted to the corresponding pigments by heating, even in the substrate into which they can be incorporated without any difficulty in dissolved form.R.sub.1 -R.sub.9 are as defined herein.Type: GrantFiled: July 22, 1996Date of Patent: May 16, 2000Assignee: Ciba Specialty Chemicals CorporationInventor: Veronique Hall-Goulle
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Patent number: 5861411Abstract: A novel 4-acylaminopyridine derivative represented by the following formula (I) is disclosed. ##STR1## The 4-acylaminopyridine derivative of the present invention is useful as a medicine for treating disturbances of memory such as senile dementia and Alzheimer's disease, since it has an action of directly activating malfunctioned cholinergic neuron.Type: GrantFiled: April 10, 1996Date of Patent: January 19, 1999Assignee: Mitsubishi Chemical CorporationInventors: Kunihiro Ninomiya, deceased, Ken-ichi Saito, Mamoru Sugano, Akihiro Tobe, Yasuhiro Morinaka, Tomoko Bessho, Haruko Harada