Phenolic Reactant Contains A Nitrogen Atom Patents (Class 528/210)
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Patent number: 8329929Abstract: A metal complex represented by the following formula (1): wherein R1 to R6 each independently represent a hydrogen atom or a substituent; Y1 and Y2 each independently represent any one of the following groups: wherein R? represents a hydrogen atom or a hydrocarbon group having 1 to 4 carbon atoms; P1 and P2 each represent a group of atoms necessary for forming a heterocyclic ring together with Y1 or Y2 and the two carbon atoms at a position adjacent to Y1 or Y2; P1 and P2 may be linked to each other to form a ring; M represents a transition metal element or typical metal element; m represents 1 or 2; X represents a counter ion or a neutral molecule; n represents the number of X's in the complex, and an integer of 0 or more; and Q1 and Q2 each independently represent an aromatic heterocyclic group.Type: GrantFiled: March 10, 2008Date of Patent: December 11, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Tadafumi Matsunaga, Nobuyoshi Koshino, Hideyuki Higashimura
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Patent number: 8304508Abstract: A fluorine-containing dicarboxylic acid represented by formula (1), wherein n represents an integer of 1-4, and the two carboxylic groups are not adjacent to each other on the aromatic ring. It is possible to obtain a linear polymer compound by reacting the fluorine-containing dicarboxylic acid with a comonomer (e.g., diaminodiol). By thermal cyclization, this linear polymer compound can be converted into another polymer compound having superior characteristics.Type: GrantFiled: August 1, 2011Date of Patent: November 6, 2012Assignee: Central Glass Company, LimitedInventors: Satoru Narizuka, Yuji Hagiwara, Masashi Nagamori, Kazuhiro Yamanaka
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Publication number: 20120264906Abstract: Disclosed are molecular and polymeric compounds having desirable properties as semiconducting materials. Such compounds can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability. Organic transistor and photovoltaic devices incorporating the present compounds as the active layer exhibit good device performance.Type: ApplicationFiled: March 23, 2012Publication date: October 18, 2012Inventors: Tobin J. Marks, Antonio Facchetti, Pierre-Luc Boudreault, Hiroyuki Miyauchi
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Patent number: 8277690Abstract: The present invention provides a conducting copolymer ferromagnetic composite. Particularly, the present invention relates to a conducting copolymer of aniline and ethylene-dioxy thiophene containing ferrite particles. The present invention also provides insitu polymerization of aniline and ethylene-dioxy thiophene in the presence of ferrite particles and suitable surfactant medium. This conducting copolymer ferromagnetic composite can be used for the dissipation of electrostatic charge, for the shielding of electromagnetic interference and as absorbing of electromagnetic waves in the microwave region.Type: GrantFiled: May 4, 2009Date of Patent: October 2, 2012Assignee: Council of Scientific & Industrial ResearchInventors: Sundeep Kumar Dhawan, Kuldeep Singh, Nikhil Sobti, Anil Ohlan, Parveen Saini, Beena Gupta, Rajendra Prasad Pant, Ravinder Kumar Kotnala, Kishan Hari, Prafulla Chandra Kothari
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Patent number: 8273460Abstract: Disclosed are a composition comprising an organic insulating polymer in which a photo-reactive functional group showing an increased crosslinking degree is introduced into a side-chain, an organic insulating film comprising the composition, an organic thin film transistor (OTFT) comprising the organic insulating film, an electronic device comprising the organic thin film transistor and methods of fabricating the organic insulating film, the organic thin film transistor and the electronic device. The OTFT comprising the organic insulating film of example embodiments may not show any hysteresis during the driving of the OTFT, and therefore, may exhibit a homogeneous property.Type: GrantFiled: April 6, 2007Date of Patent: September 25, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Eun Kyung Lee, Joo Young Kim, Sang Yoon Lee, Jung Seok Hahn
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Patent number: 8269358Abstract: A bis(aminophenol) derivative having substituents at positions adjacent to two amino groups is provided. The bis(aminophenol) derivative is used as a raw material of a polyamide resin for a positive-tone photosensitive resin composition. A polyamide resin comprising bis(aminophenol) and a structure derived from a carboxylic acid is also provided, the bis(aminophenol) having substituents at positions adjacent to the two amino groups. A positive-tone photosensitive resin composition comprising a polybenzooxazole precursor resin, exhibiting high sensitivity and a high cyclization rate even when cured at a low temperature is provided. Also provided is a positive-tone photosensitive resin composition comprising a polyamide resin having an imide structure, an imide precursor structure, or an amide acid ester structure. The composition exhibits high sensitivity and produces a cured product having low water absorption even when cured at a low temperature.Type: GrantFiled: October 23, 2007Date of Patent: September 18, 2012Assignee: Sumitomo Bakelite Company LimitedInventor: Koji Terakawa
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Patent number: 8247521Abstract: New multifunctional aromatic copolymers bearing pyridine or pyrimidine units either in the main chain or side chain and single wall carbon nanotubes or multi wall carbon nanotubes as side chain pendants have been prepared. These multifunctional materials will combine both high proton and electrical conductivity due to the existence of polar pyridine or pyrimidine groups and carbon nanotubes within the same chemical structure. The prepared multifunctional materials can be used in the catalyst ink of the electrodes in high temperature PEM fuel cells.Type: GrantFiled: June 25, 2008Date of Patent: August 21, 2012Assignee: Advent TechnologiesInventors: Christos Chochos, Nora Gourdoupi, Nikolas Triantafyllopoulos, Joannis Kallitsis
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Publication number: 20120205590Abstract: The present invention provides nano-sized particles of melanin, and the method for formation of the melanin particles comprise the following steps: adding a base to a dopamine.H+X?-containing solution (wherein H+X? is an acid) and allowing an acid-base neutralization reaction; and forming nano-sized particles of melanin by controlling the addition of nucleic dopamine.H+X? to base (b) at a ratio of a:b=1:0.1-1, and allow concurrent or consecutive formation of melanin by oxidation curing of the dopamine in air (polymerization). The manufacturing method according to the present invention can produce nano-sized melanin particles in a short period of time. Furthermore, the nano-sized melanin particles made according to the present invention are distinctive from conventional solvents containing dispersions of natural melanin and synthetic melanin, and have excellent application in various fields.Type: ApplicationFiled: October 22, 2010Publication date: August 16, 2012Applicant: SNU R&DB FOUNDATIONInventors: Jin Kyu Lee, Kuk Youn Ju
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Patent number: 8153837Abstract: The invention provides biocompatible resorbable polymers, comprising monomer units having formula (I), formula (II), formula (III) or formula (IV). The polymers degrade over time when implanted in the body, and are useful as components of implantable medical devices.Type: GrantFiled: November 3, 2006Date of Patent: April 10, 2012Assignee: TYRX, Inc.Inventors: Arikha Moses, Satish Pulapura, Arthur Schwartz, Qing Ge, Irene Shatova
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Publication number: 20120009419Abstract: Embodiments of this invention are directed to substituted polyaniline nanofibers and methods of synthesizing and using the same. The invention is also directed to polyaniline derivatives that can be synthesized without the need for templates or functional dopants by using an initiator as part of a reaction mixture.Type: ApplicationFiled: July 12, 2011Publication date: January 12, 2012Applicant: The Regents of the University of CaliforniaInventors: Henry Hiep D. Tran, Richard B. Kaner
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Patent number: 8062553Abstract: Electrically conductive dispersions of high pH polyaniline/perfluorosulfonic acid or perfluoroalkylene sulfonamide polymers are provided. Also provided are films made with such dispersions having enhanced electrical conductivity. Devices are provided with at least one layer comprised of a film that is baked at a temperature above 100° C. Further provided are processes for making films and layers for devices comprising such films.Type: GrantFiled: December 20, 2007Date of Patent: November 22, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Che-Hsiung Hsu, Hjalti Skulason
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Publication number: 20110282026Abstract: A fluorine-containing dicarboxylic acid represented by formula (1), wherein n represents an integer of 1-4, and the two carboxylic groups are not adjacent to each other on the aromatic ring. It is possible to obtain a linear polymer compound by reacting the fluorine-containing dicarboxylic acid with a comonomer (e.g., diaminodiol). By thermal cyclization, this linear polymer compound can be converted into another polymer compound having superior characteristics.Type: ApplicationFiled: August 1, 2011Publication date: November 17, 2011Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Satoru NARIZUKA, Yuji Hagiwara, Masashi Nagamori, Kazuhiro Yamanaka
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Patent number: 8057708Abstract: There is provided an electrically conductive polymer composition. The composition includes an electrically conductive polymer and a partially-fluorinated acid polymer. At least 50% of acid protons on the partially-fluorinated acid polymer are replaced with cations. The cations can be inorganic cations, organic cations, and combinations thereof.Type: GrantFiled: June 29, 2007Date of Patent: November 15, 2011Assignee: E. I. du Pont de Nemours and CompanyInventor: Che-Hsiung Hsu
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Patent number: 8039576Abstract: Compounds having the formulas below. R is an aromatic-containing group. Each M is an alkali metal. Each m is a positive integer. The value of n is a positive integer. The value p is 0 or 1. If p is 0 then n is 1. A thermoset made by curing a composition containing the below phthalonitrile monomers. A method of reacting a diphenyl acetylene compound with an excess of an aromatic diol in the presence of an alkali metal carbonate to form the above oligomer. A method of reacting a phenoxyphthalonitrile with an acetylene compound to form the phthalonitrile monomer below.Type: GrantFiled: September 6, 2007Date of Patent: October 18, 2011Assignee: The United States of America as represented by the Secretary of the NavyInventors: Matthew Laskoski, Teddy M Keller
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Patent number: 8003750Abstract: A thermosetting composition comprising (a) 97.9 to 40 percent by weight of at least one bis(dihydrobenzoxazine) prepared by the reaction of an unsubstituted or substituted bisphenol with at least one unsubstituted position ortho to each hydroxyl group, formaldehyde and a primary amine; (b) 2 to 50 percent by weight of at least one organic polyamine; and (c) 0.1 to 10 percent by weight of at least one curing catalyst, selected from the group of carboxylic acids, sulfonic acids and phosphonic acids having at least two acid groups and no other reactive groups; wherein the percent by weight refer to the total amount of components (a), (b) and (c) in the composition, with the proviso that (a), (b) and (c) add up to 100 percent by weight; and (d) and optionally other components. Cured products of these compositions show valuable chemical, physical and mechanical properties.Type: GrantFiled: January 31, 2008Date of Patent: August 23, 2011Assignee: Huntsman International LLCInventor: Frans Setiabudi
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Publication number: 20110171448Abstract: Provided is a high temperature-resistant metal adhesive containing hyperbranched poly(triazole)s synthesized by in situ azide/alkyne click polymerization. Also provided is a method for preparing the same adhesives by in situ click polymerization of azide and alkyne monomers on metal substrates. The method is optimized to get high adhesive strength at room temperature or elevated temperatures by analyzing the effects of monomer ratio, curing temperature and time, and annealing temperature and time. The hyberbranched poly(triazole)s adhesive has comparable or better temperature resistance compared with known high temperature epoxy metal adhesives, and it is the first high temperature metal adhesive using hyperbranched poly(triazole)s prepared by in situ azide/alkyne click polymerization.Type: ApplicationFiled: January 5, 2011Publication date: July 14, 2011Applicant: THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Benzhong TANG, Youhong TANG, Ka Wai JIM, Anjun QIN, Wing Yip LAM, Jie LI
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Publication number: 20110039958Abstract: The present invention relates to A phenol compound according to Formula (I): wherein: R1 is selected from the group consisting of, optionally substituted, 2-pyridyl, 3-pyridiyl and 4-pyridyl groups, wherein R1 is at position 2 or 3 of the phenol ring; R2 is selected from the group consisting of, optionally substituted, 2-pyridyl, 3-pyridiyl, 4-pyridyl and phenyl groups, wherein R2 is at position 5 or 6 of the phenol ring; and the phenol ring is optionally substituted at one or two positions, independently selected from positions 2, 3, 5 and 6, with a halogen atom or a with an optionally substituted C6-C12 aryl group or an optionally substituted C1-C10 alkyl group. The present invention relates also to (co)polymers comprising the phenol compound according to Formula (I) and membranes and ionic resins comprising said (co)polymers.Type: ApplicationFiled: January 30, 2009Publication date: February 17, 2011Inventors: Jakob Doetze Sikkema, Ronny Mathieu Versteegen, Maarten Jozef Pouderoijen
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Publication number: 20100301310Abstract: A conjugated polymer having a phenoxazine structure and a phenothiazine structure as subsituents.Type: ApplicationFiled: October 5, 2006Publication date: December 2, 2010Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Takanobu Noguchi, Tomoyuki Suzuki
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Publication number: 20100292399Abstract: Oligomers and/or polymers comprising a backbone comprising arylamine and fluorinated alkyleneoxy moieties which may be crosslinked. Ink formulations and devices can be formed from the oligomers or polymers, or corresponding monomers. Doped compositions can be formed. Charge injection and transport layers can be formed. Improved stability can be achieved in organic electronic devices such as OLEDs and OPVs.Type: ApplicationFiled: November 17, 2009Publication date: November 18, 2010Inventors: Christopher T. BROWN, Venkataramanan Seshadri, Jing Wang
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Patent number: 7795370Abstract: A tetracarboxylic acid compound of formula (1) or (2) wherein A represents a divalent group; X1, X2 and X3 respectively represent a hydrogen atom or the like; R1, R2, R3 and R4 respectively represent a carboxyl group or an acid anhydride group; n represents 1 or 2; and B represents a cyclic group.Type: GrantFiled: November 14, 2006Date of Patent: September 14, 2010Assignee: Mitsubishi Chemical CorporationInventors: Haruhiko Kusaka, Yuji Ohgomori, Masashi Yamanashi
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Patent number: 7790832Abstract: A method for purifying a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine comprises contacting a crude 2-aryl-3,3-bis(hydroxyaryl)phthalimidine with a purification agent, removing a 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound from the crude 2-aryl-3,3-bis(hydroxyaryl)phthalimidine, and producing a purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidine product comprising less than 200 parts per million of the 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound. The purification agent is selected from the group consisting of an acidic material, an organic acid chloride, an organic anhydride, or a combination thereof. The 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound has a formula: wherein each R1 is independently selected from a group consisting of a hydrocarbyl radical, a nitro radical, and a halogen atom; “a” is an integer from 0 to 4; and Ar1 and Ar2 are independently at each occurrence an aromatic radical.Type: GrantFiled: September 4, 2007Date of Patent: September 7, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Balakrishnan Ganesan, Pradeep Jeevaji Nadkarni, Kumar Arun Satyanarayana, Venkata Rama Narayanan Ganapathy Bhotla, Suresh Shanumgam, Gurram Kishan, Ravindra Vikram Singh
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Patent number: 7771621Abstract: A conductive polyaniline composition of a substituted or unsubstituted polyaniline complex and a compound with a phenolic hydroxyl group dissolved in an organic solvent substantially immiscible with water that is capable of producing a molded article possessing high conductivity.Type: GrantFiled: November 25, 2004Date of Patent: August 10, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Noriyuki Kuramoto, Mizutomo Takeuchi
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Patent number: 7722785Abstract: The present disclosure relates to electrically conductive polymer compositions, comprising at least one electrically conductive copolymer; and at least one fluorinated acid polymer, their use in organic electronic devices, and methods for preparation.Type: GrantFiled: June 27, 2006Date of Patent: May 25, 2010Assignees: E.I. du Pont de Nemours and Company, Dupont Displays Inc.Inventors: Che-Hsiung Hsu, Sunghan Kim, Charles J. Dubois, Christopher P. Junk, Andrew Edward Feiring, Zhen-Yu Yang, Amy Qi Han, legal representative, Mark F. Teasley, Viacheslav A. Petrov
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Publication number: 20100098926Abstract: The invention relates to a novel ultra-thin hydrophobic and oleophobic layer, formed by self-assembly on a solid substrate surface, of compounds of the general formula A-B in which A represents a group of the formula in which Z represents C or N+, X represents C—H or C-L, L being an electron-attracting group selected from F, CF3, NO2 and N(CH3)3+, Y represents H or CH5, or Y forms a 5- or 6-atom heterocycle with X, T represents NH, CO, CONH or NH2+U?, U? being a soluble anion, and B represents a C1-C20 linear aliphatic alkyl group partially or completely substituted with F, and a method of preparing this layer and its use as a harrier film.Type: ApplicationFiled: November 29, 2007Publication date: April 22, 2010Applicant: SuSos AGInventors: Samuele Tosatti, Stefan Zurcher
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Publication number: 20100093968Abstract: 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: ApplicationFiled: October 14, 2008Publication date: April 15, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: James Anthony Cella, Joseph John Shiang, Elliott West Shanklin, Paul Michael Smigelski, JR.
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Patent number: 7678877Abstract: Disclosed is a method for the synthesis of sterically hindered polymeric antioxidants based on phenol type antioxidant monomers. The method includes partially etherifying, polymerizing and thermally rearranging a phenol containing monomer represented by the following structural formula: to produce a sterically hindered polymeric macromolecular antioxidant. X, R10 and q are as defined herein. The disclosed method is a simple, direct and economical process for the synthesis of sterically hindered polymeric macromolecular antioxidants.Type: GrantFiled: December 2, 2005Date of Patent: March 16, 2010Assignee: Polnox CorporationInventors: Suizhou Yang, Ashok L. Cholli
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Patent number: 7671166Abstract: The present invention provides materials, devices, and methods involving new heterocyclic, shape-persistent monomeric units with internal free volume. In some cases, materials the present invention may comprise monomers, oligomers, or polymers that incorporate a heterocyclic, shape-persistent iptycene. The present invention may provide materials having low dielectric constants and improved stability at high operating temperatures due to the electron-poor character of materials. In addition, compositions of the invention may be easily synthesized and readily modified to suit a particular application.Type: GrantFiled: January 20, 2006Date of Patent: March 2, 2010Assignee: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, Jean Bouffard
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Publication number: 20100044888Abstract: A bis(aminophenol) derivative having substituents at positions adjacent to two amino groups is provided. The bis(aminophenol) derivative is used as a raw material of a polyamide resin for a positive-tone photosensitive resin composition. A polyamide resin comprising bis(aminophenol) and a structure derived from a carboxylic acid is also provided, the bis(aminophenol) having substituents at positions adjacent to the two amino groups. A positive-tone photosensitive resin composition comprising a polybenzooxazole precursor resin, exhibiting high sensitivity and a high cyclization rate even when cured at a low temperature is provided. Also provided is a positive-tone photosensitive resin composition comprising a polyamide resin having an imide structure, an imide precursor structure, or an amide acid ester structure. The composition exhibits high sensitivity and produces a cured product having low water absorption even when cured at a low temperature.Type: ApplicationFiled: October 23, 2007Publication date: February 25, 2010Applicant: SUMITOMO BAKELITE COMPANY LIMITEDInventor: Koji Terakawa
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Patent number: 7652125Abstract: A resin composition having high heat resistance and low dielectric constant after heat treatment, a varnish thereof and a semiconductor device using the same are provided by a resin composition including a compound having a structure represented by the general formula (1): wherein, “Ar” is an aromatic group; “a” is 0 or 1; R11 is an organic group having one or more carbon atoms and at least one is a group having an alicyclic structure; when “q” is an integer of 2 or more, R11s may be the same or different from each other; at least one of R1 to R5 and at least one of R6 to R10 on respective benzene rings are Ar-binding sites or R11-binding sites and the others of R1 to R5 and R6 to R10 are each hydrogen, a group having an alicyclic structure, an organic group having 1 to 10 carbon atoms, a hydroxyl group or a carboxyl group; when “a” is 0, at least one of R1 to R5 and R6 to R10 is a group having an alicyclic structure; “q” is an integer of 1 or more; and “X” is any of —O—, —NHCO—, —COHN—, —COO— and —OCO—.Type: GrantFiled: September 29, 2005Date of Patent: January 26, 2010Assignee: Sumitomo Bakelite Company, Ltd.Inventors: Takashi Enoki, Atsushi Izumi, Yumiko Yamamoto, Takahiro Harada
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Patent number: 7652124Abstract: There are provided a rigid heterocyclic polymer comprising rigid recurring units such as units represented by the following formulae (a) and (b): wherein X is O, S or NH, a production process thereof, and fibers comprising the polymer.Type: GrantFiled: April 12, 2005Date of Patent: January 26, 2010Assignees: Teijin Limited, Teijin Techno Products LimitedInventors: Masayuki Chokai, Anton Peter De Weijer, Hiroaki Kuwahara, Shunichi Matsumura
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Publication number: 20090321723Abstract: An object of the present invention is to provide an organic electronic material that can be easily formed into a multilayer structure. A further object of the present invention is to provide an organic electronic device and an organic EL device that exhibit a better emission efficiency and a better emission lifetime than heretofore achieved. In order to achieve these objects, an organic electronic material is provided, the material includes a polymer or oligomer that has at least one polymerizable substituent and a hole-transporting repeat unit.Type: ApplicationFiled: July 17, 2007Publication date: December 31, 2009Inventors: Yousuke Hoshi, Shigeaki Funyuu, Yoshii Morishta
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Publication number: 20090247724Abstract: A poly(arylene ether) copolymer is the product of oxidative copolymerization of monomers including a monohydric phenol and a dihydric phenol. It has an intrinsic viscosity of about 0.04 to about 0.15 deciliter per gram and, on average, about 1.8 to about 2 hydroxyl groups per molecule. The poly(arylene ether) copolymer is enriched in low molecular weight copolymer chains and copolymer chains that include a terminal unit derived from the dihydric phenol.Type: ApplicationFiled: March 31, 2009Publication date: October 1, 2009Inventors: Alvaro Carrillo, Erik Rene Delsman, Hua Guo, Alexey Kruglov, Edward N. Peters
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Publication number: 20090247709Abstract: A diamine polymer comprising a repeat unit represented by the following formula (I) in which diamine is linked to form a triaza ring; wherein R represents a monoamine residue.Type: ApplicationFiled: March 27, 2008Publication date: October 1, 2009Applicants: CASE WESTERN RESERVE UNIVERSITY, SEKISUI CHEMICAL CO., LTD.Inventors: Hatsuo Ishida, Masanori Nakamura
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Publication number: 20090207346Abstract: Disclosed is an aromatic polymer containing one or more repeating units represented by the following formula (1). (In the formula, Ar1 represents an arylene group having a fused ring structure or a divalent heterocyclic compound group having a ?-conjugated system, and contains a group represented by the formula (2) below. This group is bonded to a carbon atom having a sp2 hybrid orbital which is contained in a ring of the ring structure of the arylene group having a fused ring structure or the divalent heterocyclic compound group having a ?-conjugated system represented by Ar1.Type: ApplicationFiled: June 9, 2006Publication date: August 20, 2009Applicant: Sumitomo Chemical Company,LimitedInventors: Kazuei Ohuchi, Daisuke Fukushima, Takeshi Yamada, Makoto Anryu
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Patent number: 7507784Abstract: Main chain thermotropic liquid crystal esters, ester-imides, and ester-amides were prepared from AA, BB, and AB type monomeric materials and end-capped with phenylacetylene, phenylmaleimide, or nadimide reactive end-groups. The end-capped liquid crystal oligomers are thermotropic and have, preferably, molecular weights in the range of approximately 1000-15,000 grams per mole. The end-capped liquid crystal oligomers have broad liquid crystalline melting ranges and exhibit high melt stability and very low melt viscosities at accessible temperatures. The end-capped liquid crystal oligomers are stable for up to an hour in the melt phase. They are highly processable by a variety of melt process shape forming and blending techniques. Once processed and shaped, the end-capped liquid crystal oligomers were heated to further polymerize and form liquid crystalline thermosets (LCT). The fully cured products are rubbers above their glass transition temperatures.Type: GrantFiled: April 29, 2005Date of Patent: March 24, 2009Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Theodorus J. Dingemans, Erik S. Weiser, Terry L. St. Clair
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Publication number: 20090042294Abstract: A dihydroxyphenyl cross-linked macromolecular network is provided that is useful in artificial tissue and tissue engineering applications, particularly to provide a synthetic macromolecular network for a wide variety of tissue types. In particular, artificial or synthetic cartilage, vocal cord material, vitreous material, soft tissue material and mitral valve material are described. In an embodiment, the network is composed of tyramine-substituted and cross-linked hyaluronan molecules, wherein cross-linking is achieved via peroxidase-mediated dityramine-linkages that can be performed in vivo. The dityramine bonds provide a stable, coherent hyaluronan-based hydrogel with desired physical properties.Type: ApplicationFiled: September 15, 2008Publication date: February 12, 2009Applicant: The Cleveland Clinic FoundationInventors: Anthony Calabro, Lee Akst, Daniel Alam, James Chan, Aniq B. Darr, Kiyotaka Fukamachi, Richard A. Gross, David Haynes, Keiji Kamohara, Daniel P. Knott, Hilel Lewis, Alex Melamud, Anthony Miniaci, Marshall Strome
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Publication number: 20090036633Abstract: An aromatic polycarbonate having a high refractive index and good processing and mechanical properties is provided. The aromatic polycarbonate comprises a thiodiphenol monomer and a biphenyl monomer. The refractive index of the polycarbonate may be greater than 1.670.Type: ApplicationFiled: July 30, 2007Publication date: February 5, 2009Applicant: General Electric CompanyInventors: Subash Scindia, Subarna Shyamroy
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Patent number: 7462681Abstract: A polycyanurate composition (I), wherein “n” is a positive integer of about 1 to about 10, and wherein R, R?, and R? comprising at least one of C, H, N, O, F, Si, P, S, Cl, Br, I, and any combination thereof. A method of making a polycyanurate composition (I) including, providing at least one semi-aliphatic polycarbonate (V), wherein R comprises at least one of C, H, N, O, F, Si, P, S, Cl, Br, I, providing at least one uncured reactive thermoset monomer, dissolving the polycarbonate in a solvent with a high vapor pressure or suspending the polycarbonate directly into the reactive monomer, mixing the liquefied polycarbonate with the uncured reactive thermoset monomer into a homogeneous liquid component, curing the liquid component into a viscous component, and exposing the cured component to temperatures of about 50° C. to about 400° C. forming tricyanurate linkages in the polycyanurate composition (I).Type: GrantFiled: September 19, 2005Date of Patent: December 9, 2008Assignee: The United States of America as represented by the Secretary of the NavyInventors: Andrew J. Guenthner, Gregory R. Yandek, David J. Irvin
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POLY(CARBONATE-CO-UREA) COPOLYMERS AND MELT TRANSESTERIFICATION METHOD OF PREPARING THESE COPOLYMERS
Publication number: 20080275206Abstract: Disclosed herein is a poly(carbonate-co-urea-co-ester) copolymer comprising incorporated urea compound, dihydroxy compound and diacid compound residues. Also disclosed herein is a poly(carbonate-co-urea) copolymer comprising incorporated urea compound and dihydroxy compound residues.Type: ApplicationFiled: May 3, 2007Publication date: November 6, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Jan Henk Kamps, Edward Kung, Jan-Pleun Lens -
Publication number: 20080242829Abstract: Disclosed herein is a method comprising reacting a phenolphthalein material and a primary hydrocarbyl amine in the presence of an acid catalyst to form a reaction mixture comprising 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the phenolphthalein material comprises greater than or equal to 95 weight percent phenolphthalein, based on the total weight of phenolphthalein material; quenching the reaction mixture and treating the quenched reaction mixture to obtain a first solid. The first solid is then triturated with a trituration solvent and washed to obtain a second solid, wherein the second solid comprises greater than or equal to 97 weight percent 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, based on the total weight of the second solid. The second solid may be polymerized to form a polycarbonate.Type: ApplicationFiled: March 30, 2007Publication date: October 2, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Rajshekhar Basale, Balakrishnan Ganesan, Venkata Rama Narayanan Ganapathy Bholta, Gurram Kishan, Surendra Kulkarni, Pradeep Nadkarni, Suresh Shanmugam, Ravindra Vikram Singh
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Publication number: 20080214772Abstract: There are provided a rigid heterocyclic polymer comprising rigid recurring units such as units represented by the following formulae (a) and (b): wherein X is O, S or NH, a production process thereof, and fibers comprising the polymer.Type: ApplicationFiled: April 12, 2005Publication date: September 4, 2008Inventors: Masayuki Chokai, Anton Peter De Weijer, Hiroaki Kuwahara, Shunichi Matsumura
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Patent number: 7411019Abstract: The present invention relates to polymer composite materials containing carbon nanotubes, particularly to those containing singled-walled nanotubes. The invention provides a polymer composite comprising one or more base polymers, one or more functionalized m-phenylenevinylene-2,5-disubstituted-p-phenylenevinylene polymers and carbon nanotubes. The invention also relates to functionalized m-phenylenevinylene-2,5-disubstituted-p-phenylenevinylene polymers, particularly to m-phenylenevinylene-2,5-disubstituted-p-phenylenevinylene polymers having side chain functionalization, and more particularly to m-phenylenevinylene-2,5-disubstituted-p-phenylenevinylene polymers having olefin side chains and alkyl epoxy side chains. The invention further relates to methods of making polymer composites comprising carbon nanotubes.Type: GrantFiled: August 25, 2004Date of Patent: August 12, 2008Assignee: Eltron Research, Inc.Inventor: Richard A. Bley
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Patent number: 7351359Abstract: A method for producing a conductive polyaniline comprising oxidative polymerizing aniline or its derivative in the presence of at least one member of a sulfonic acid compound and a water-insoluble organic polymer compound having protonic acid group in a mixed layer composed of an aqueous layer and organic layer, during which it establishes the presence of a molecular weight adjusting agent and, optionally, a phase transfer catalyst so as to stably disperse them in an organic solvent, and an organic polymer composition containing the conductive polyaniline.Type: GrantFiled: March 30, 2005Date of Patent: April 1, 2008Assignee: The Yokohama Rubber Co., Ltd.Inventors: Tsukasa Maruyama, Yuko Sekine
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Publication number: 20080067505Abstract: Disclosed are a composition comprising an organic insulating polymer in which a photo-reactive functional group showing an increased crosslinking degree is introduced into a side-chain, an organic insulating film comprising the composition, an organic thin film transistor (OTFT) comprising the organic insulating film, an electronic device comprising the organic thin film transistor and methods of fabricating the organic insulating film, the organic thin film transistor and the electronic device. The OTFT comprising the organic insulating film of example embodiments may not show any hysteresis during the driving of the OTFT, and therefore, may exhibit a homogeneous property.Type: ApplicationFiled: April 6, 2007Publication date: March 20, 2008Inventors: Eun Kyung Lee, Joo Young Kim, Sang Yoon Lee, Jung Seok Hahn
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Patent number: 7338620Abstract: Aqueous dispersion compositions of polydioxythiophene, polymeric acid colloids, and water-miscible organic liquid and methods of making such compositions. The compositions are useful in organic electronic devices.Type: GrantFiled: March 17, 2004Date of Patent: March 4, 2008Assignee: E.I. du Pont de Nemours and CompanyInventors: Che-Hsiung Hsu, Mats Anders Paul Fahlman, Slawomir Jacek Marciniak, William Raymond Salaneck
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Patent number: 7291666Abstract: The present invention has for its object to provide an emulsion polymer resin composition adapted to give a coating film having an excellent appearance in terms of gloss, image sharpness, and apparent thickness, be satisfactory in curability and storage stability, contribute to cost reduction, express satisfactory coating film properties such as hardness, high impact resistance, scratch resistance, acid rain resistance, and weather resistance, and be conducive to a reduced VOC level, a curable composition comprising the above emulsion polymer resin composition and a crosslinking agent, and a cured coating film formed from the above curable composition. The present invention is an emulsion polymer resin composition which contains a hydroxyl group and a functional group reactive with the hydroxyl group within the same particle and has a weight average molecular weight of not less than 10000 but not more than 500000.Type: GrantFiled: April 10, 2003Date of Patent: November 6, 2007Assignee: Nippon Shokubai Co., Ltd.Inventors: Naoki Kodama, Kunio Takahashi, Shidzuka Yamazawa
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Patent number: 7288218Abstract: Deaggregated substituted and unsubstitued polyparaphenylenes, polyparaphenylevevinyles, polyanilines, polyazines, polythiophenes, poly-p-phenylene sulfides, polyfuranes, polypyrroles, polyselenophene, polyacetylenes formed from soluble precursors and combinations thereof and copolymers thereof and methods of fabrication are described. The deaggregated polymer molecules when subsequently doped show higher electrical conductivity. Agents such as lithium chloride, m-cresol and nonylphenol are used to deaggregate the polymer molecules. The deaggregating agents can be added prior to or during doping the molecules.Type: GrantFiled: April 7, 2004Date of Patent: October 30, 2007Assignee: International Business Machines CorporationInventors: Marie Angelopoulos, Bruce K. Furman
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Patent number: 7273919Abstract: High heat polyethersulfone compositions are provided which possess unexpectedly high glass transition temperatures. The polyethersulfone compositions comprise structural units derived from phthalimide bisphenols such as 3,3-bis(4 -hydroxyphenyl)-N-phenylphthalimide, and structural units derived from at least one biphenyl-bissulfone such as 4,4?-bis((4-chlorophenyl)sulfonyl)-1,1?-biphenyl. The novel polyethersulfone compositions may further comprise structural units derived from one or more biphenols such as 4,4?-biphenol, bisphenols such as BPA, or other electrophilic sulfone monomers, such as bis(4-chlorophenyl)sulfone. In one embodiment, the polyethersulfone composition of the present invention comprises structural groups derived exclusively from 3,3-bis(4-hydroxyphenyl)-N-phenylphthalimide, and 4,4?-bis((4-chlorophenyl)sulfonyl)-1,1?-biphenyl and exhibits a single glass transition of greater than 300° C.Type: GrantFiled: November 21, 2005Date of Patent: September 25, 2007Assignee: General Electric CompanyInventors: Daniel Steiger, Farid Fouad Khouri, Daniel Joseph Brunelle, Amy Beth Koren
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Patent number: 7273918Abstract: Just like other conducting polymers, polyanilines are useful for many important electric and electrooptical applications. A self-doped polyaniline that contains a stable/immobile, covalently bonded acid moiety on the backbone is highly desired, due to their greater resistances to solvent-washing, rain-flushing, and thermal evaporation. The present invention discloses a new type of thermally stable self-doped functionalized polyanilines that are thermally much more stable than the previously reported sulfonated-polyaniline, which was believed to be the most thermally stable self-doped polyaniline known in the art. The present invention also discloses a new and effective method for making this new type of thermally stable self-doped functionalized polyanilines.Type: GrantFiled: September 23, 2004Date of Patent: September 25, 2007Inventors: Chien-Chung Han, Chia-Hui Lu
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Patent number: 7244804Abstract: There are provided a polycarbonate copolymer (A) which has excellent light resistance and heat resistance and comprises an aromatic dihydroxy component comprising 5 to 95 mol % of fluorene-skeleton-containing dihydroxy compound (1) having a specific structure and 95 to 5 mol % of ordinary bisphenol type dihydroxy compound (2), the content of fluorene-9-one in the copolymer being not higher than 15 ppm; and a polycarbonate composition comprising 0.01 to 5 parts by weight of ultraviolet absorber (B) based on 100 parts by weight of the copolymer (A), and the composition comprising the copolymer.Type: GrantFiled: November 13, 2003Date of Patent: July 17, 2007Assignee: Teijin Chemicals, Ltd.Inventors: Koki Ikeda, Toshimasa Tokuda, Hiroshi Shuto, Manabu Matsui, Toshiyuki Miyake, Kazushi Tando