From Hydrocarbon Reactant Patents (Class 528/396)
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Patent number: 8466256Abstract: A polymer, an organic photoelectric device, and a display device, the polymer including a repeating unit represented by the following Chemical Formula 1:Type: GrantFiled: June 23, 2011Date of Patent: June 18, 2013Assignee: Cheil Industries, Inc.Inventors: Soo-Hyun Min, Eun-Sun Yu, Dal-Ho Huh, Mi-Young Chae, Ho-Jae Lee, Ja-Hyun Kim
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Patent number: 8455601Abstract: A film of an ethylene polymer.Type: GrantFiled: May 14, 2009Date of Patent: June 4, 2013Assignee: Univation Technologies, LLCInventors: Rainer Kolb, Francis C. Rix, R. Eric Pequeno
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Patent number: 8449985Abstract: Methods are provided for obtaining soluble or insoluble poly(iptycenylene vinylene) homo- and co-polymers via a soluble precursor polymer. The polymers obtained by the methods can be used in electronic or opto-electronic devices, e.g., chemosensors.Type: GrantFiled: May 4, 2009Date of Patent: May 28, 2013Assignees: IMEC, Universiteit HasseltInventors: Laurence Lutsen, Dirk Vanderzande
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Patent number: 8426357Abstract: The present invention is directed to a multimeric agent and a multimeric conjugate formed from this multimeric agent and a biologically active agent. Said multimeric conjugates have a longer life time in vivo and an increased avidity compared to the unmodified biologically agent. The present invention is further directed to a pharmaceutical or diagnostic composition containing said conjugate as well as to a method of its production. The invention additionally provides the use of said conjugates for the detection, determination, separation and/or isolation of a specific binding partner and for the diagnosis, prophylaxis and treatment of diseases in which the specific binding partner is directly or indirectly involved.Type: GrantFiled: February 11, 2008Date of Patent: April 23, 2013Assignees: celares GmbH, Scil Proteins GmbHInventors: Ralf Kraehmer, Frank Leenders, Erik Fiedler, Thomas Hey, Ulrike Fiedler, Markus Fiedler
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Patent number: 8420768Abstract: Higher diamondoid derivatives capable of taking part in polymerization reactions are disclosed as well as intermediates to these derivatives, polymers formed from these derivatives and methods for preparing the polymers.Type: GrantFiled: December 20, 2010Date of Patent: April 16, 2013Assignee: Chevron U.S.A. Inc.Inventors: Jeremy E. Dahl, Robert M. Carlson, Shenggao Liu
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Publication number: 20130085247Abstract: The invention generally relates to chain shuttling agents (CSAs), a process of preparing the CSAs, a composition comprising a CSA and a catalyst, a process of preparing the composition, a processes of preparing polyolefins, end functional polyolefins, and telechelic polyolefins with the composition, and the polyolefins, end functional polyolefins, and telechelic polyolefins prepared by the processes.Type: ApplicationFiled: November 2, 2012Publication date: April 4, 2013Applicant: Dow Global Technologies LLCInventor: Dow Global Technologies LLC
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Publication number: 20130075714Abstract: Light-emitting composition comprising a host polymer and a light emitting dopant wherein the host polymer comprises conjugating repeat units and non-conjugating repeat units in a backbone of the polymer and wherein: the conjugating repeat units provide at least one conjugation path between repeat units linked thereto; and the non-conjugating repeat units comprise an at least partially saturated ring having at least one ring atom that breaks any conjugation path between repeat units linked to the non-conjugating repeat unit such that a highest occupied molecular orbital level of the polymer is further from vacuum level by at least 0.1 eV and/or a lowest unoccupied molecular orbital level of the polymer is closer to vacuum level by at least 0.1 eV as compared to a polymer in which the non-conjugating repeat units are absent.Type: ApplicationFiled: May 12, 2011Publication date: March 28, 2013Applicant: SUMTOMO CHEMICAL COMPANY LIMITEDInventors: Sheena Zuberi, Tania Zuberi
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Patent number: 8404361Abstract: A device comprising an electroluminescent copolymer comprising a light-emitting repeat unit in the polymer backbone and wherein the repeat unit is conjugatively separate from the polymer backbone.Type: GrantFiled: July 31, 2009Date of Patent: March 26, 2013Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Co., LimitedInventor: Annette Steudel
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Patent number: 8399047Abstract: Multifunctional reactive polymers created by chemical vapor deposition (CVD) and methods of making such polymeric systems are provided. Such polymers provide multifunctional surfaces which can present two or more different molecules (e.g. biological ligands) in controlled ratios. Polymers may include compositional gradients allowing attached ligands to be presented as continuous gradients across a surface. The polymer compositions are modularly designable and applicable to a wider range of applications, including biomedical devices and diagnostic systems.Type: GrantFiled: March 24, 2008Date of Patent: March 19, 2013Assignee: The Regents of The Univeristy of MichiganInventors: Joerg Lahann, Yaseen Elkasabi
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Patent number: 8399587Abstract: Propylene random copolymer compositions are described herein. The compositions generally include a propylene random copolymer including from about 95.0 wt. % to about 99.0 wt. % propylene and from about 0.2 wt. % to about 0.8 wt. % ethylene, an additive selected from clarifiers, nucleators and combinations thereof and a stabilizer, wherein the propylene random copolymer exhibits a melt flow rate of from about 0.5 g/10 min. to about 4.0 g/10 min., a molecular weight distribution of from 5 to 10 and wherein the propylene random copolymer composition exhibits a flexural modulus of from about 180,000 psi to about 260,000 psi.Type: GrantFiled: December 20, 2009Date of Patent: March 19, 2013Assignee: Fina Technology, Inc.Inventors: Mike Musgrave, LuAnn Kelly, Peter Selg
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Publication number: 20130049264Abstract: Disclosed are a process for producing a flexographic printing plate precursor for laser engraving, the method comprising, in the following order: an applying step (1) of applying a composition comprising (Component A) a radical polymerizable compound and (Component B) a thermal radical polymerization initiator onto a support; and a curing step (2) of thermally curing the composition in an atmosphere in which an oxygen partial pressure is from 0.0001 atm to 0.1 atm, a flexographic printing plate precursor for laser engraving produced by the process; a process for making a flexographic printing plate; and a flexographic printing plate.Type: ApplicationFiled: August 30, 2012Publication date: February 28, 2013Applicant: FUJIFILM CORPORATIONInventors: Katsuhiro YAMASHITA, Yuusuke KOZAWA
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Patent number: 8383753Abstract: Metal complexes comprising certain polydentate heteroatom containing ligands, catalysts, and coordination polymerization processes employing the same are suitably employed to prepare polymers having desirable physical properties.Type: GrantFiled: October 13, 2011Date of Patent: February 26, 2013Assignee: Dow Global Technologies, LLCInventors: Jerzy Klosin, Lily Ackerman, Xiaohong Bei, Gary M. Diamond, James Longmire, Vince Murphy, Victor Nava-Salgado, James A. W. Shoemaker
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Patent number: 8372930Abstract: This invention relates to a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(?0.94 (mole % ethylene incorporated)+100), when 10 to 60 mole % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mole % ethylene is present in the co-oligomer, and 3) X=(1.83*(mole % ethylene incorporated)?83), when 70 to 90 mole % ethylene is present in the co-oligomer. This invention also relates to a homo-oligomer, comprising propylene, wherein the oligomer has: at least 93% allyl chain ends, an Mn of about 500 to about 20,000 g/mol, an isobutyl chain end to allylic vinyl group ratio of 0.8:1 to 1.2:1.0, and less than 100 ppm aluminum. This invention also relates to a process of making homo-oligomer, comprising propylene, wherein the productivity is greater than 4500 g/mmol Hf (or Zr)/hour.Type: GrantFiled: June 20, 2008Date of Patent: February 12, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Patrick Brant, Donna J. Crowther, Andrew G. Narvaez, Jr.
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Patent number: 8362164Abstract: The embodiments of the invention relate to a multifunctional lithiated amine-containing compound comprising at least two molecules of lithiated amine in a molecule of the compound. In one embodiment, the compound has a formula where x is an integer of 1 or more, Q is (a) an element selected from the group consisting of O, S, N, P and Si or (b) an alkylene group having from 1 to 20 methylene groups, and R1 and R2 are the same or different and are selected from the group consisting of alkyls, cycloalkyls and aralkyls containing from 1 to 20 carbon atoms. In another embodiment, the compound comprises cyclic lithio amines and has a formula: where x is 1 or more, R3, R4 and R5 are the same or different and represent alkylene groups containing from 3 to 20 carbon atoms.Type: GrantFiled: October 12, 2011Date of Patent: January 29, 2013Assignee: Bridgestone CorporationInventor: Yan Yan-Yong
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Publication number: 20130005942Abstract: The present application provides methods of producing polyanthracene including polymerization of anthracene monomers in the presence of oxidants and reaction solvents. The present application further provides polyanthracene produced by methods described herein that has higher solubility in organic solvents and better thermal stability and ablation resistance.Type: ApplicationFiled: June 4, 2010Publication date: January 3, 2013Applicant: TONGJI UNIVERSITYInventors: Mei-rong Huang, Xin-gui Li, Shao-Jun Huang
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Patent number: 8344086Abstract: 1-butene/ethylene/propylene terpolymer containing: c) from 4 to 10 wt % of ethylene derived units, and d) from 2 to 10 wt % of propylene derived units; the said terpolymer having the following properties: distribution of molecular weights (Mw/Mn) measured by GPC lower than 3; no melting point detectable at the DSC; melting enthalpy, measured after 10 days of aging at room temperature, from 12 to 20 J/g.Type: GrantFiled: March 18, 2009Date of Patent: January 1, 2013Assignee: Basell Poliolefine Italia s.r.l.Inventors: Giampaolo Pellegatti, Stefano Spataro, Tiziana Caputo
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Patent number: 8337982Abstract: A benzoxazole resin precursor comprising a first repeating unit which is obtained by the reaction of a bisaminophenol compound and a dicarboxylic acid compound, at least one of which has the diamondoid structure; a benzoxazole resin precursor further comprising a second repeating unit which is obtained by the reaction of a bisaminophenol compound having no diamondoid structure and a dicarboxylic acid compound having no diamondoid structure; a polybenzoxazole resin obtained by the ring-closing reaction with dehydration of the above benzoxazole resin precursor; a resin film constituted with the benzoxazole resin precursor or the polybenzoxazole resin. A polybenzoxazole resin and a resin film having excellent heat resistance and a small permittivity and a semiconductor device using the resin film can be obtained from the benzoxazole resin precursor.Type: GrantFiled: June 20, 2005Date of Patent: December 25, 2012Assignee: Sumitomo Bakelite Co., Ltd.Inventors: Takashi Enoki, Atsushi Izumi
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Patent number: 8334354Abstract: Provided are ethylene copolymers with excellent impact resistance. More specifically, provided are ethylene copolymers satisfying certain correlation between the falling dart impact strength (F) or high rate impact resistant breakage energy (E) and Vicat softening point. The ethylene copolymers with improved impact properties are applicable to film, injection, compound, sheet, roto, pipe or blow molding.Type: GrantFiled: October 29, 2009Date of Patent: December 18, 2012Assignee: SK Innovation Co., Ltd.Inventors: Seungbum Kwon, Hyeongtaek Ham, Choonsik Shim, Sungseok Chae, Myungahn Ok, Daeho Shin
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Publication number: 20120313052Abstract: A polymer compound comprising a constitutional unit represented by the formula (1): in the formula, Ar1 represents an aromatic hydrocarbon group or an aromatic heterocyclic group. E represents a group obtained by removing one hydrogen atom in a compound represented by the formula (2): in the formula, R1 to R10 represents a hydrogen atom, an alkyl group, an aryl group, a monovalent aromatic heterocyclic group or a group represented by —O—RA. RA represents an alkyl group, an aryl group or a monovalent aromatic heterocyclic group. aa is an integer of 1 or more.Type: ApplicationFiled: February 24, 2011Publication date: December 13, 2012Inventors: Tomoyasu Yoshida, Hidenori Hanaoka, Shota Moriwaki
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Publication number: 20120309095Abstract: Compositions containing polyanthrylene and methods of making these compositions are disclosed herein. The polyanthrylene composition can, for example, be used for detection of iron in a sample.Type: ApplicationFiled: April 7, 2011Publication date: December 6, 2012Applicant: TONGJI UNIVERSITYInventors: Mei-rong Huang, Shao-jun Huang, Jiang Ying Li, Xin-gui Li
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Publication number: 20120277405Abstract: The present application provides a copolymer including one or more units of pyrene and one or more units of pyrrole. The present application also provides a method of producing a copolymer, including incubating pyrene monomer and pyrrole monomer with an oxidant in the presence of a reaction solvent. Uses of the copolymers are also provided.Type: ApplicationFiled: June 4, 2010Publication date: November 1, 2012Applicant: TONGJI UNIVERSITYInventors: Xin-Gui Li, Mei-rong Huang, Zhenzhong Hou
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Publication number: 20120264898Abstract: The present invention provides a diene polymer in which a polar functional group is introduced into an end by radical polymerization, and its production method; a polymer emulsion and a rubber composition each containing the diene polymer; and a pneumatic tire containing the rubber composition. The present invention relates to a diene polymer, which is obtained by radical polymerization of at least one radical polymerizable monomer in the presence of at least one polar functional group-containing thiol compound, and has a polar functional group at at least one end: The polar functional group-containing thiol compound is preferably represented by formula (1): X—R1—SH ??(1) wherein X represents an ester group, a hydroxyl group, a carboxyl group, an amino group, or an alkoxysilyl group, and R1 represents an alkylene or arylene group which may have a substituent.Type: ApplicationFiled: April 12, 2012Publication date: October 18, 2012Inventors: Satoru INOUE, Kazuyuki Nishioka
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Patent number: 8288508Abstract: Universal Grignard Metathesis (GRIM) reactions which provide access to conjugated polymers by GRIM methods. A method comprising: providing an unsaturated ring compound comprising at least two halogen ring substituents, providing an organomagnesium reagent comprising an organomagnesium component and a metal activation agent, combining the unsaturated ring compound with the reagent to form a second compound by metal-halogen exchange, wherein the metal activation agent activates the metal-halogen exchange, coupling the second compound to itself in an oligomerization or polymerization reaction. Metal activation agent can be lithium chloride. The process is commercially attractive and can be executed in good yields. Polyfluorenes, polypyrroles, and polythiophenes can be prepared for use in OLED, PLED, photovoltaic, transistor, antistatic coatings, and sensor applications.Type: GrantFiled: August 31, 2007Date of Patent: October 16, 2012Assignee: Carnegie Mellon UniversityInventors: Richard D. McCullough, Mihaela C. Iovu, Itaru Osaka
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Patent number: 8273853Abstract: Disclosed is a process for the preparation of emulsifiers E1 which are obtained by (a) reacting a polyol with propylene oxide or a mixture of ethylene oxide and propylene oxide, to give an intermediate Z1, (b) reacting the intermediate Z1 with epichlorohydrin, forming an intermediate Z2, (c) reacting the intermediate Z2 with an adduct of ethylene oxide or a mixture of ethylene oxide and propylene oxide, with a C1-C22 monoalcohol, provided that on average at least one epoxide function of the intermediate Z2 is reacted and on average at least one epoxide function originating from the intermediate Z2 is retained. Compounds E1 are suitable as emulsifiers for preparing aqueous emulsions or dispersions of epoxy resins.Type: GrantFiled: April 3, 2009Date of Patent: September 25, 2012Assignee: Cognis IP Management GmbHInventors: Paul Birnbrich, Hans-Josef Thomas, Giorgio Sabbadini, Ulrich Nagorny, Georg Bourscheidt
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Publication number: 20120232241Abstract: The present invention relates to compounds of the formula (1), formula (2), formula (3) and formula (4) which are suitable for use in electronic devices, in particular organic electroluminescent devices.Type: ApplicationFiled: October 20, 2010Publication date: September 13, 2012Applicant: Merck Patent GmbH Patents & Scientific InformationInventors: Philipp Stoessel, Esther Breuning, Dominik Joosten, Christof Pflumm, Amir Hossain Parham
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Publication number: 20120219809Abstract: A method for enhancing the friction resistance properties of a substrate comprising a step consisting of grafting onto all or part of the surface of said substrate a polymer organic film of the non-substituted polyphenylene type as well as to the thus prepared substrate.Type: ApplicationFiled: September 17, 2010Publication date: August 30, 2012Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Alessandro Benedetto, Pascal Viel, Sophie Noel
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Patent number: 8236910Abstract: Cycloolefin copolymers which are distinguished by the presence of racemic diads of repeating polycyclic units and additionally by racemic triads of repeating polycyclic units are described. These copolymers can be prepared by copolymerization of polycyclic olefins with linear olefins in the presence of metallocene catalysts which have no Cs symmetry in relation to the centroid-M-centroid plane. The novel copolymers can be used for the production of shaped articles, in particular of films.Type: GrantFiled: March 19, 2008Date of Patent: August 7, 2012Assignee: Topas Advanced Polymers GmbHInventors: Dieter Ruchatz, Anne-Meike Schauwienold, Peter Jörg
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Publication number: 20120177578Abstract: The present invention generally relates to compositions, methods, and systems comprising polymers that are fluorous-soluble and/or organize at interfaces between a fluorous phase and a non-fluorous phase. In some embodiments, emulsions or films are provided comprising a polymer. The polymers, emulsions, and films can be used in many applications, including for determining, treating, and/or imaging a condition and/or disease in a subject. The polymer may also be incorporated into various optoelectronic device such as photovoltaic cells, organic light-emitting diodes, organic field effect transistors, or the like. In some embodiments, the polymers comprise pi-conjugated backbones, and in some cases, are highly emissive.Type: ApplicationFiled: August 19, 2011Publication date: July 12, 2012Applicant: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, Jeewoo Lim, Yohei Takeda
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Publication number: 20120116050Abstract: The present invention relates to novel pyrene-based polymers, methods of preparing the same and uses thereof, in particular for electroluminescent devices. The novel polymers of the invention have the following general formula (I): wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently of each other hydrogen, halogen, in particular F, SiR100R101R102, or an organic substituent, or R6 and R7, R3 and R4, and/or any of the substituents R1, R2, R3, R4, R5, R6, R7 and/or R8, which are adjacent to each other, together form an aromatic, or heteroaromatic ring, or ring system, which can optionally be substituted, n1 and n2 are 0, 1, or 2, R100, R101 and R102 are independently of each other C1-C18 alkyl, substituted or unsubstituted C6-C18 aryl, and Ar1 and Ar2 are each independently of each other a substituted or unsubstituted arylene or heteroarylene group.Type: ApplicationFiled: April 20, 2010Publication date: May 10, 2012Applicants: Technische Universitaet Graz, Max-Planck-gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Klaus Muellen, Teresa Figueira-Duarte, Pablo Gabriel Del Rosso, Emil J.W. List, Roman Trattnig
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Patent number: 8153736Abstract: A composition that may be useful for thermoforming and blow molding applications comprises a metallocene catalyzed propylene-ethylene random copolymer having an ethylene content of from about 0.1 to about 1.5 weight percent based on the copolymer, and exhibits a flexural modulus of at least about 1,100 MPa, a haze of less than about 40 percent, a melt flow of from about 1.0 dg/min to about 3.0 dg/min, and a xylene solubles content from about 0.2 weight percent to about 1.0 weight percent based on the copolymer. A process for preparing the copolymer and articles prepared therefrom are also disclosed. The composition's properties may make it particularly desirable for applications such as bottles, syringes and containers such as those used for food and medical purposes.Type: GrantFiled: November 25, 2008Date of Patent: April 10, 2012Assignee: Fina Technology, Inc.Inventors: Mike Musgrave, Lu Ann Kelly, Mark Murphy
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Patent number: 8143371Abstract: This invention relates to a process for preparing polytrimethylene ether glycols or copolymers thereof having a number-average molecular weight of at least about 250 g/mole by a polycondensation reaction using at least one acid catalyst.Type: GrantFiled: October 31, 2008Date of Patent: March 27, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Mark Andrew Harmer, Christian Hoffmann, Scott Christopher Jackson, Edward R. Murphy, Rupert Spence
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Patent number: 8138286Abstract: Cycloolefin copolymers which are distinguished by the presence of racemic diads of repeating polycyclic units and additionally by racemic triads of repeating polycyclic units are described. These copolymers can be prepared by copolymerization of polycyclic olefins with linear olefins in the presence of metallocene catalysts which have no Cs symmetry in relation to the centroid-M-centroid plane. The novel copolymers can be used for the production of shaped articles, in particular of films.Type: GrantFiled: March 19, 2008Date of Patent: March 20, 2012Assignee: Topas Advanced Polymers GmbHInventors: Dieter Ruchatz, Anne-Meike Schauwienold, Peter Jörg
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Patent number: 8119764Abstract: Medical device (?) comprising at least one part (?) consisting of a polymer material (M) comprising at least one kinked rigid-rod polyarylene (P) of which more than 50 wt. % of the recurring units are recurring units (R) of one or more formulae consisting of an optionally substituted arylene group which is linked by each of its two ends to two other optionally substituted arylene groups via a direct C—C linkage. The recurring units (R) are a mix (?) consisting of (i) between 0 and 75 mole %, of rigid rod-forming arylene units (Ra) and (ii) between 25 and 100 mole % of kink-forming arylene units (Rb), both contents being based on the total number of moles of the recurring units (R). Arylene units (Ra) and/or (Rb) may be optionally substituted by at least one monovalent substituting group.Type: GrantFiled: September 9, 2008Date of Patent: February 21, 2012Assignee: Solvay Advanced Polymers, L.L.C.Inventors: Nikica Maljkovic, Bianca Sadicoff Shemper, Mohammad Jamal El-Hibri
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Patent number: 8088883Abstract: A transition metal complex obtained by contacting a bipyridine compound represented by the formula (1): wherein R1, R2 and R3 represent a C1-C10 alkyl group which may be substituted, etc., and R4 and R5 represent a hydrogen atom etc., with a compound of a transition metal belonging to Group 9, 10 or 11, and a process for producing a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of said transition metal complex.Type: GrantFiled: July 25, 2008Date of Patent: January 3, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Taku Asaumi, Takashi Kamikawa
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Patent number: 8084560Abstract: A process for the production of an ethylene alpha-olefin copolymer is disclosed, the process including polymerizing ethylene and at least one alpha-olefin by contacting the ethylene and the at least one alpha-olefin with a metallocene catalyst in at least one gas phase reactor at a reactor pressure of from 0.7 to 70 bar and a reactor temperature of from 20° C. to 150° C. to form an ethylene alpha-olefin copolymer. The resulting ethylene alpha-olefin copolymer may have a density D of 0.927 g/cc or less, a melt index (I2) of from 0.1 to 100 dg/min, a MWD of from 1.5 to 5.0. The resulting ethylene alpha-olefin copolymer may also have a peak melting temperature Tmax second melt satisfying the following relation: Tmax second melt>D*398?245.Type: GrantFiled: June 7, 2007Date of Patent: December 27, 2011Assignee: Univation Technologies, LLCInventors: Rainer Kolb, Agapios K. Agapiou, James M. Farley, Eric J. Markel, Bruce J. Savatsky, Christopher R. Davey, Richard B. Pannell
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Water-soluble fluorescent particle comprising entangled fluorescent polymer and amphiphilic molecule
Patent number: 8067506Abstract: Water-soluble fluorescent particles are formed in a simple process. A mixture comprising a solvent, water, a fluorescent polymer dissolved in the solvent, and an amphiphilic molecule is provided. The fluorescent polymer comprises a hydrophobic segment. The amphiphilic molecule comprises hydrophilic and hydrophobic segments. The solvent is removed from the mixture to allow the fluorescent polymer and the amphiphilic molecule to entangle in the presence of water, thus forming the water-soluble fluorescent particles. In the formed particles, the hydrophilic segments of the amphiphilic molecule are entangled with one another, and the hydrophobic segments of the fluorescent polymer and amphiphilic molecule are entangled with one another. The amphiphilic molecule encapsulates the fluorescent polymer and at least some of the hydrophilic segments are exposed to render the particle soluble in water.Type: GrantFiled: August 30, 2006Date of Patent: November 29, 2011Assignee: Agency for Science, Technology and ResearchInventors: Zhikuan Chen, Xu Li -
Publication number: 20110282021Abstract: According to one embodiment of the present invention, a portion of a light-emitting polymer material or a conductive polymer material can be irradiated with a focused electron beam, so that the physical properties of that portion can be modified. For this purpose, one embodiment of the present invention comprises an apparatus for modifying the physical properties of a nanostructure using a focused electron beam, the apparatus comprising: a nanostructure; a focused electron beam-irradiating unit that serves to irradiate a nanoscale electron beam such that it is focused on the nanostructure; and a focused electron beam-controlling unit that serves to control the irradiation position of the nanoscale electron beam so as to modify the physical property of a portion of the nanostructure.Type: ApplicationFiled: May 10, 2011Publication date: November 17, 2011Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jinsoo JOO, Young Ki HONG, Dong Hyuk PARK, Seong Gi JO, Min Ho KOO
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Patent number: 8052892Abstract: Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.Type: GrantFiled: October 14, 2008Date of Patent: November 8, 2011Assignee: General Electric CompanyInventors: James Anthony Cella, Joseph John Shiang, Elliott West Shanklin, Paul Michael Smigelski, Jr.
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Patent number: 8026323Abstract: Ethylene propylene copolymers, substantially free of diene, are described. The copolymers will have a uniform distribution of both tacticity and comonomer between copolymer chains. Further, the copolymers will exhibit a statistically insignificant intramolecular difference of tacticity. The copolymers are made in the presence of a metallocene catalyst.Type: GrantFiled: April 19, 2007Date of Patent: September 27, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Sudhin Datta, Bruce A. Harrington, Weiguo Hu, Periagaram S. Ravishankar, George Rodriguez
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Publication number: 20110212491Abstract: A reaction vessel for carrying out a chemical or biochemical reaction, such as a polymerase chain reaction, said vessel having a coating of parylene or a derivative thereof, on at least the surface which contacts reactants.Type: ApplicationFiled: August 1, 2008Publication date: September 1, 2011Applicant: ENIGMA DIAGNOSTICS LIMITEDInventors: Martin Alan Lee, David James Squirrell, Ross Peter Jones, Andrea Hamilton
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Patent number: 8008854Abstract: A light emitting material includes a polyfluorene derivative having a liquid crystal side group is provided. The polyfluorene derivative has a chemical structure as described in structure 1: wherein Ar is an aromatic ring containing the liquid crystal side group, R1 and R2 are alkanes and n is 20 to 500.Type: GrantFiled: December 22, 2008Date of Patent: August 30, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chain-Shu Hsu, Chih-Nan Lo, Chi-Neng Mo, Chien-Lung Tsou, Jan-Tian Lian
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Publication number: 20110186826Abstract: An electroluminescent material comprises the following structural unit: where X is selected from a group consisting of NR, O, S, SO, SO2, CR2, PR, POR, BR, SiR2; where R is a substituent group and Ar1 and Ar2 comprise aromatic rings; and, wherein Ar1 or Ar2 is fused to a further aryl system Ar3. An optical device comprises a first electrode for injection of positive charge carriers, a second electrode for injection of negative charge carriers and a layer located between the first and second electrode comprising the electroluminescent material.Type: ApplicationFiled: July 23, 2009Publication date: August 4, 2011Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMATION COMPANY LIMITEDInventors: Annette Steudel, Thomas Pounds
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Publication number: 20110180758Abstract: A light-emitting polymer has less than or equal to 5 mol % of a light-emitting optionally substituted structural unit having general formula 1: or fused derivatives thereof. The structural unit may comprise terminal groups of a polymer main chain, or be provided as repeat units at concentrations of less than 1 mol % in the polymer main chain. In particular, a polymer having fluorene repeat units, such as a homopolymer of 9,9-dialkylfluoren-2,7-diyl, may be utilized to provide electron transport and a copolymer comprising triarylamine repeat unit may be utilized to provide hole transport in an OLED device.Type: ApplicationFiled: August 26, 2009Publication date: July 28, 2011Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventor: Jonathan Pillow
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Publication number: 20110156041Abstract: A polymer substrate having a weight loss of less than about 1% based on an initial weight at a temperature ranging from about 420° C. to about 600° C., a method for forming the polymer substrate, a display device including the polymer substrate, and a method for manufacturing the display device. The method for forming the polymer substrate includes preparing the polymer layer and performing an annealing process to the polymer layer at a temperature greater than about 350° C.Type: ApplicationFiled: December 15, 2010Publication date: June 30, 2011Applicant: SAMSUNG MOBILE DISPLAY CO. LTD.Inventors: Sung-Guk An, Dong-Un Jin, Kie Hyun Nam, Sang-Joon Seo, Tae-Woong Kim, Jae-Seob Lee
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Patent number: 7968004Abstract: Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.Type: GrantFiled: October 14, 2008Date of Patent: June 28, 2011Assignee: General Electric CompanyInventors: James Anthony Cella, Joseph John Shiang, Elliott West Shanklin, Paul Michael Smigelski, Jr.
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Patent number: 7947801Abstract: A method of synthesizing a poly(9,9-disubstituted-fluorene) includes reacting a 9,9-disubstituted-fluorene with an alkyl lithium in the presence of a catalytic amount of a nickel amine complex. The 9,9-disubstituted-fluorene includes solubility-enhancing substituents in the 9-position and leaving groups in the 2-position and the 7-position. The product poly(9,9-disubstituted-fluorene)s are fluorescent conjugated polymers that are useful as, for example, blue light-emitting materials.Type: GrantFiled: April 3, 2008Date of Patent: May 24, 2011Assignee: The University of MassachusettsInventors: Kenneth Raymond Carter, Sarav Bharat Jhaveri
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Publication number: 20110112275Abstract: The present invention relates to condensed aromatic compounds with multiple ring bridging of the general formulae (1), (2), (3), (4) and (5). The invention furthermore relates to the use of the compounds according to the invention in an organic electronic device and to a process for the preparation of the compounds according to the invention. The invention furthermore relates to an electronic device which comprises the compounds according to the invention.Type: ApplicationFiled: October 1, 2009Publication date: May 12, 2011Applicant: Merck Patent GmbHInventors: Amir Hossain Parham, Christof Pflumm, Holger Heil, Arne Buesing
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Publication number: 20110112258Abstract: Higher diamondoid derivatives capable of taking part in polymerization reactions are disclosed as well as intermediates to these derivatives, polymers formed from these derivatives and methods for preparing the polymers.Type: ApplicationFiled: December 20, 2010Publication date: May 12, 2011Applicant: Chevron U.S.A. Inc.Inventors: Jeremy E. Dahl, Robert M. Carlson, Shenggao Liu
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Patent number: 7893192Abstract: Provided are pi-conjugated polymer materials that are useful for photoelectric transducer elements having high hole transportability and excellent durability, that are useful for light-emitting elements having superior emitting properties and excellent durability, and that are useful for active layers of thin film transistors. The pi-conjugated polymers comprise a constitutional unit expressed by the General Formula (I) or (II): in which, Ar represents an aromatic hydrocarbon group or a heterocyclic group that may have a substituent; R represents a hydrogen atom, an alkyl group or an aromatic hydrocarbon group that may have a substituent; Ar1 represents a divalent group of an aromatic hydrocarbon or a heterocycle that may have a substituent; in which, Ar represents an aromatic hydrocarbon group or a heterocyclic group that may have a substituent; R represents a hydrogen atom, an alkyl group or an aromatic hydrocarbon group that may have a substituent.Type: GrantFiled: March 6, 2007Date of Patent: February 22, 2011Assignee: Ricoh Company, Ltd.Inventors: Masaomi Sasaki, Masafumi Torii, Takashi Okada, Toshiya Sagisaka
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Patent number: 7893160Abstract: Crosslinkable substituted fluorene compounds; oligomers and polymers prepared from such crosslinkable compounds; films and coatings; and multilayer electronic devices comprising such films are disclosed.Type: GrantFiled: October 25, 2004Date of Patent: February 22, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Michael Inbasekaran, Wanglin Yu