6-membered Ring Contains A Single Nitrogen Atom Patents (Class 526/265)
-
Publication number: 20100305289Abstract: The present invention provides a method for making an organic-inorganic hybrid composition membrane comprising the steps of preparing a sol comprising at lease one silylated polyamine, casting the sol onto a surface and drying the sol to form the organic-inorganic hybrid composition membrane. The hybrid composition membrane may be used for capturing and separating CO2 and/or H2S from a gas sample.Type: ApplicationFiled: May 29, 2009Publication date: December 2, 2010Inventor: Dayue D. Jiang
-
Publication number: 20100280201Abstract: The invention provides polymers, methods of preparing polymers, and compositions that include polymers, wherein said polymers include a plurality of two-carbon repeating units in a polymer chain, wherein one or more of the two-carbon repeating units of the polymer chain have tertiary amine or pyridine-containing substituents; and at least about 10% of the nitrogen atoms of the tertiary amine or pyridine-containing substituents are quaternized with alkyl groups or with an alkyl group that contains one or more ethylene glycol groups. The alkyl or ethoxylated alkyl groups can also be at least partially fluorinated. The polymers can be used to provide antimicrobial surfaces and antifouling coatings.Type: ApplicationFiled: July 23, 2010Publication date: November 4, 2010Applicant: Cornell Research Foundation, Inc.Inventors: Christopher K. Ober, Sitaraman Krishnan, Qin Lin, Edward Kramer
-
Publication number: 20100272971Abstract: A novel optical film is provided that exhibits a wavelength dispersion (a reverse wavelength dispersion) such that the birefringence of the film decreases as the wavelength becomes shorter, at least in the visible light range. The optical film includes a layer formed of a resin (A) having a heteroaromatic group or a molecular structure represented by the following formula (1), (2) or (3): where in the formula (1), n is a natural number in the range of 1 to 4, and R1 and R2 each independently represent a hydrogen atom or a methyl group. The optical film exhibits a wavelength dispersion such that the birefringence of the film decreases as the wavelength becomes shorter, at least in the visible light range.Type: ApplicationFiled: December 26, 2008Publication date: October 28, 2010Applicant: NIPPON SHOKUBAI CO., LTD.Inventors: Takashi Miyai, Yoshiyuki Shiotani, Hideo Asano, Hirokazu Niwa, Susumu Hirama, Satoshi Ishida, Masanori Takaiwa
-
Publication number: 20100264370Abstract: The invention relates to a polymer comprising structural unit of formula I: wherein R1, R2, R3, R4, R5, and R6 are independently at each occurrence a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; a, b, d, e and f are independently at each occurrence 0, or an integer ranging from 1 to 4; c is independently at each occurrence 0, or an integer ranging from 1 to 3. In another aspect, the invention relates to monomers for preparing the polymers. In yet another aspect, the invention relates to an optical electronic device comprising a polymer comprising structural unit of formula I.Type: ApplicationFiled: December 6, 2008Publication date: October 21, 2010Inventors: Qing Ye, Jie Liu, Yangang Liang, Shengxia Liu
-
Patent number: 7816457Abstract: It is an object of the invention to provide a method of producing a crosslinked poly(meth)acrylic acid compound, in particular a method of producing a crosslinked poly(meth)acrylic acid nitroxide compound, which is a radical compound excellent in solvent stability.Type: GrantFiled: May 30, 2005Date of Patent: October 19, 2010Assignee: Sumitomo Seika Chemicals Co., Ltd.Inventors: Nobutaka Fujimoto, Koji Ueda, Masato Fujikake
-
Publication number: 20100255372Abstract: Disclosed is a polyradical compound which can be used as an electrode active material for at least one of a positive electrode and a negative electrode. The polyradical compound has a repeating unit represented by general formula (1) and is crosslinked using a bifunctional crosslinking agent having two polymerizing groups in the molecule represented by general formula (2), wherein R1 to R3 each independently represent hydrogen or methyl group; R4 to R7 each independently represent C1 to C3 alkyl group; X represents single bond, linear, branched or cyclic C1 to C15 alkylenedioxy group, alkylene group, phenylenedioxy group, phenylene group or structure represented by general formula (3); and R8 to R13 each independently represent hydrogen or methyl group, and k represents an integer of 2 to 5.Type: ApplicationFiled: June 4, 2007Publication date: October 7, 2010Applicant: NEC CORPORATIONInventors: Masahiro Suguro, Shigeyuki Iwasa, Yuki Kusachi, Jiro Iriyama, Yukiko Morioka, Kentaro Nakahara, Sadahiko Miura
-
Patent number: 7807765Abstract: A latex copolymer composition comprising >5 wt % of polymerized units derived from a monomer X containing an unsaturated heterocycle, wherein the latex copolymer composition comprises ?1,000 ppm of residual monomer X is disclosed. Also disclosed are methods of making and using the latex copolymer compositions.Type: GrantFiled: May 15, 2007Date of Patent: October 5, 2010Assignee: Rohm and Haas CompanyInventors: Tirthankar Ghosh, Morris C. Wills
-
Patent number: 7763365Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.Type: GrantFiled: February 6, 2008Date of Patent: July 27, 2010Assignee: Showa Denko K.K.Inventors: Masataka Takeuchi, Shuichi Naijo, Naoko Ito, Koro Shirane, Takashi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
-
Patent number: 7750090Abstract: The present invention relates to a novel class of water compatible molecularly imprinted polymers (AquaMIPs) capable of selectively binding target molecules such as riboflavin, or analogues thereof, in water or aqueous media, their synthesis and use thereof in food processing and extraction or separation processes.Type: GrantFiled: January 29, 2004Date of Patent: July 6, 2010Assignee: MIP Technologies ABInventors: Börje Sellergren, Panagiotis Manesiotis, Andrew J Hall
-
Publication number: 20100168360Abstract: The present invention relates to a crosslinked poly(meth)acrylic acid nitroxide compound resulting from crosslinking of a poly(meth)acrylic acid nitroxide compound, and an object of the present invention is to provide a method of inexpensively and easily producing a crosslinked poly(meth)acrylic acid nitroxide compound having a high radical concentration. The present invention is a method of producing a crosslinked poly(meth)acrylic acid nitroxide compound including a repeating unit represented by the general formula (2): (in the formula, R represents a hydrogen atom or a methyl group), comprising a nitroxidation step carried out in a state that a crosslinked poly(meth)acrylic acid imino compound resulting from crosslinking of a poly(meth)acrylic acid imino compound including a repeating unit represented by the general formula (1): (in the formula, R represents the same group as that represented by R in said general formula (2)) is dispersed in water.Type: ApplicationFiled: June 29, 2006Publication date: July 1, 2010Applicant: Sumitomo Seika Chemicals Co., Ltd.Inventor: Nobutaka Fujimoto
-
Publication number: 20100160196Abstract: A copolymer which can be used in power transmission fluids to provide improved viscometric properties is disclosed. The copolymer includes a mixture of alcohols having side chains with an average number of carbons ranging from greater than 8 to less than 12 defined by the following formula: C n = ? i = j i = z ? X i ? Cn i ? i = j i = z ? X i where Xi is the mole fraction of alcohol (i); Cni represents the number of carbon atoms in alcohol (i); j is the lowest number of carbons in an alcohol in the copolymer and must be at least 6; and z is the highest number of carbons in an alcohol.Type: ApplicationFiled: December 23, 2008Publication date: June 24, 2010Inventors: Dean B. Clarke, Carl Waterson, Ricardo A. Bloch, David J. Martella
-
Publication number: 20100151388Abstract: A (meth)acrylate compound having a nitrogen-containing cyclic group, a photosensitive polymer, and a resist composition including the same, the (meth)acrylate compound being represented by the following Chemical Formula 1:Type: ApplicationFiled: December 11, 2009Publication date: June 17, 2010Inventors: Young-Soo Yang, Seung-Jib Choi, Jun-Sunk Kim, Sang-Jun Choi
-
Patent number: 7736757Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.Type: GrantFiled: February 6, 2008Date of Patent: June 15, 2010Assignee: Showa Denko K.K.Inventors: Masataka Takeuchi, Shuichi Naijo, Naoko Ito, Koro Shirane, Takashi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
-
Publication number: 20100047660Abstract: Featured are novel heterocycle substituted hydroquinones, aromatic copolymers and homopolymers bearing main and side chain polar pyridine units. These polymers exhibit good mechanical properties, high thermal and oxidative stability, high doping ability and high conductivity values. These novel polymers can be used in the preparation and application of MEA on PEMFC type single cells. The combination of the above mentioned properties indicate the potential of the newly prepared materials to be used as electrolytes in high temperature PEM fuel cells.Type: ApplicationFiled: August 24, 2009Publication date: February 25, 2010Inventors: Maria Geormezi, Nora Gourdoupi
-
Publication number: 20100022731Abstract: Embodiments include a sensor comprising a co-polymer, the co-polymer comprising a first monomer and a second monomer. For some embodiments, the first monomer is poly-4-vinyl pyridine, and the second monomer is poly-4-vinyl pyridinium propylamine chloride. For some embodiments, the first monomer is polystyrene and the second monomer is poly-2-vinyl pyridinium propylamine chloride. For some embodiments, the first monomer is poly-4-vinyl pyridine, and the second monomer is poly-4-vinyl pyridinium benzylamine chloride. Other embodiments are described and claimed.Type: ApplicationFiled: June 19, 2007Publication date: January 28, 2010Inventors: Margaret A. Ryan, Margie L. Homer, Shiao-Pin S. Yen, Adam Kisor, April D. Jewell, Abhijit V. Shevade, Kenneth S. Manatt, Charles Taylor, Mario Blanco, William A. Goddard
-
Patent number: 7635527Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.Type: GrantFiled: February 6, 2008Date of Patent: December 22, 2009Assignee: Showa Denko K.K.Inventors: Masataka Takeuchi, Shuichi Naijo, Naoko Ito, Koro Shirane, Takeshi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
-
Patent number: 7622538Abstract: Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I): in which R1 is H or CH3; R2 is H or a C1-C4 alkyl radical or forms together with the nitrogen atom to which it is bonded and one or more atoms which belong to R3 or R3? a heterocyclic ring; R3, R3? independently of each other are a linear or branched aliphatic C1-C50 radical with a valency of m+n or p+n, an aromatic C6-C18 radical with a valency of m+n or p+n, or a cycloaliphatic, araliphatic or heterocyclic C3-C18 radical with a valency of m+n or p+n, wherein the carbon chains of the radical or radicals can be interrupted by O, S, CONR4, OCONH, or form together with one or more atoms which belong to R2 and the nitrogen atom, to which the R2 is bonded a heterocyclic ring, R3? being H if p=0, and R4 being H, C1-C10 alkyl, C6-C12 aryl, C6-10 aralkyl or a bicylic C4-C12 radial; n is 1, 2, 3 or 4 if p=0, and is 1 or 2 if p ?0; m is 1, 2, 3 or 4; p is 0, 1, 2, 3 or 4; xType: GrantFiled: August 25, 2005Date of Patent: November 24, 2009Assignee: Ivoclar Vivadent AGInventors: Norbert Moszner, Iris Lamparth, Frank Zeuner, Ulrich Salz, Angela Mucke, Jorg Zimmermann, Jorg Angermann, Volker M. Rheinberger
-
Patent number: 7604918Abstract: A photosensitive polymer for a photoresist and a photoresist composition having the same are provided. The photosensitive polymer for a photoresist includes the repeating unit represented by the formula below: wherein R1 is a C1-C20 hydrocarbon group or a C1-C20 hetero hydrocarbon group including at least one hetero atom selected from the group consisting of nitrogen, fluorine and sulfur.Type: GrantFiled: January 22, 2007Date of Patent: October 20, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-jun Choi, Han-ku Cho
-
Publication number: 20090215946Abstract: Disclosed are processes for preparing monomer complexes that include contacting 2,3,5,6-tetraaminopyridine free base in water with 2,5-dihydroxy terephthalic acid dipotassium salt to form an aqueous mixture, and adjusting the pH of the aqueous mixture to within the range of from about (3) to about (5) to precipitate the monomer complex. Processes of polymerizing the monomer complexes, polyareneazoles, filaments and yarns are also disclosed.Type: ApplicationFiled: March 27, 2006Publication date: August 27, 2009Inventors: Doetze Jakob Sikkema, David J. Rodini, Hasan Dindi, James Arnold Schultz, Georg Valentin Martin, Ralf Demuth, Michael Schelhaas
-
Publication number: 20090209679Abstract: A flow improver comprising a plurality of core-shell particles that can be formed by emulsion polymerization. The core of the core-shell particles can include a drag reducing polymer, while the shell of the particles can include repeat units of a hydrophobic compound and an amphiphilic compound. The flow improver can demonstrate increased pumping stability over conventionally prepared latex flow improvers.Type: ApplicationFiled: February 14, 2008Publication date: August 20, 2009Applicant: CONOCOPHILLIPS COMPANYInventors: Wayne R. Dreher, Kenneth W. Smith, Stuart N. Milligan, Timothy L. Burden, William F. Harris, Ray L. Johnston, Wolfgang Klesse, Gerold Schmitt, John Wey
-
Patent number: 7553881Abstract: Dental material which contains at least one compound of the formula [PG]m—R1—Z—SP—Y—R2—[WG]p, in which m=1, 2 or 3; p=1, 2 or 3; R1=is absent, a linear or branched C1 to C20 alkylene radical which can be interrupted one or more times by O, S, NH, SiR?, CONH CONR?, COO and/or OCONH, a substituted or unsubstituted, aromatic C6 to C14 radical or a combination thereof R2=is absent, a linear or branched C1 to C20 alkylene radical which can be interrupted one or more times by O, S, NH, SiR?, CONH CONR?, COO and/or OCONH, a substituted or unsubstituted, aromatic C6 to C14 radical or a combination thereof; PG=a radically polymerizable group; SP=a polymeric spacer which is selected from polyethylene glycol, polypropylene glycol, polyglycerol, polyalkyloxazoline, polyethyleneimine, polyacrylic acid, polymethacrylic acid, polyvinyl alcohol, polyvinyl acetate, poly-(2-hydroxyethyl)acrylate, poly-(2-hydroxyethyl)methacrylate groups, hydrophilic polypeptide groups and copolymers of the corresponding monomers; WG=antimicrobType: GrantFiled: August 11, 2006Date of Patent: June 30, 2009Assignee: Ivoclar Vivadent AGInventors: Ulrich Salz, Jörg Zimmermann, Dirk Poppe, Volker Rheinberger, Jörg Tiller, Christian Waschinski
-
Patent number: 7547747Abstract: The present invention relates to a polyallylamine-based high-molecular-weight polymer which is easily soluble in water and in an organic solvent and gives an excellently stable aqueous solution or organic solvent solution thereof which is suitable for use in the fields of fine chemicals such as the field of inkjet recording, and the polymer is a modified polyallylamine obtained by modifying a copolymer of N,N-dialkylallylamine and allylamine.Type: GrantFiled: February 17, 2004Date of Patent: June 16, 2009Assignee: Nitto Boseki Co., Ltd.Inventors: Mitsumasa Hashimoto, Minoru Takeuchi, Shuichi Kataoka, Kiyohiko Takemoto
-
Patent number: 7514511Abstract: Free radical polymerization process for preparing polymers with low polydispersity index and polymers obtained thereby. The process includes polymerizing at least one reactive monomer with at least one initiator and at least one ionic liquid (serving as solvent) to obtain polymers having a low polydispersity index of less than 1.5, wherein the reactive monomer is a nitrogen-containing monomer. In addition, the free radical polymerization processes have reaction time within 3 hours.Type: GrantFiled: September 1, 2005Date of Patent: April 7, 2009Assignee: Industrial Technology Research InstituteInventors: Balaganesan Banumathy, Wen-Yueh Ho, Tun-Fun Way, Lien Tai Chen
-
Publication number: 20090087650Abstract: To provide a pressure-sensitive adhesive optical film that can satisfy durability even when a thin pressure-sensitive adhesive layer is formed. A pressure-sensitive adhesive optical film comprising an optical film and a pressure-sensitive adhesive layer on at least one side of the optical film, wherein the pressure-sensitive adhesive layer is formed by a pressure-sensitive adhesive, comprising: a (meth)acrylic polymer having a weight average molecular weight of 1,500,000 to 2,800,000; containing, as a monomer component, 3 to 10% by weight of a heterocyclic ring-containing acrylic monomer; 0.5 to 5% by weight of a carboxyl group-containing monomer; 0.05 to 2% by weight of a hydroxyl group-containing monomer; and 83 to 96.45% by weight of an alkyl(meth)acrylate monomer, and a crosslinking agent.Type: ApplicationFiled: March 13, 2007Publication date: April 2, 2009Applicant: NITTO DENKO CORPORATIONInventors: Shinichi Inoue, Kohei Yano, Masayuki Satake, Yutaka Moroishi
-
Publication number: 20090088518Abstract: Polymer of formula (I): In—[(A)x—(B)y—(A?)x?—(E)z]n obtained by nitroxyl mediated controlled free radical polymerization whereby an access of acrylate is present, wherein In is the initiator fragment starting the polymerisation reaction; A and A? are the same or different monomers selected from the group consisting of acrylic acid, methacrylic acid, acrylonitrile, methacrylonitrile, acrylic acid (C1-C22)alkyl esters, acrylic acid (C1-C22)hydroxyalkyl esters, methacrylic acid (C1-C22)alkyl esters, methacrylic acid (C1-C22)hydroxyalkyl esters, acrylic acid (C1-C22)alkyl esters or methacrylic acid (C1-C22)alkyl esters which are substituted by amino, (C1-C22)alkylamino, (C1-C22)dialkylamino, —SO3H, epoxy, fluoro, perfluoro or siloxane groups, styrene, substituted styrene, acrylamide and methacrylamide, N-mono(C1-C22)alkyl acrylamide, N,N-di(C1-C22)alkyl acrylamide; provided that the amount of unsubstituted acrylic acid (C1-C22)alkyl esters or/and methacrylic acid (C1-C22)alkyl esters is more than 30% by weight baType: ApplicationFiled: August 21, 2006Publication date: April 2, 2009Inventors: Lothar Alexander Engelbrecht, Arend Noordam
-
Publication number: 20090081152Abstract: This invention relates to a process of making a group of silylated poly(N-alkyl-4-vinylpyridinium) quaternized salts suitable for use as coating materials for the treatment of substrate surfaces to impart an antimicrobial effect.Type: ApplicationFiled: June 23, 2008Publication date: March 26, 2009Inventor: Vincent T. Chuang
-
Publication number: 20090074709Abstract: A method of applying a biocidal polymer to a surface including applying a solution of the biocidal polymer to the surface, wherein the biocidal polymer includes biocidal groups and the biocidal polymer is insoluble in water. The biocidal groups can be selected from the group consisting of quaternary salt groups or haloamino groups.Type: ApplicationFiled: September 12, 2008Publication date: March 19, 2009Inventors: RICHARD R. KOEPSEL, ALAN J. RUSSELL, THANGAPPAN RAVIKUMAR
-
Publication number: 20090035590Abstract: This invention describes compositions and methods of using non-covalently crosslinked resin coatings for lithographic applications. These materials are designed to undergo, after coating, a change that provides solvent resistance and, with some materials, simultaneous aqueous-base solubility. Non-covalent interactions allow for easier removal of these coatings than of covalently crosslinked materials. These types of materials are well-suited for trench and gap fill applications, as well as for anti-reflective coatings, spin-on carbon layers, and etch masks.Type: ApplicationFiled: July 28, 2008Publication date: February 5, 2009Inventors: Daniel M. Sullivan, Runhui Huang, Charles J. Neef, Jinhua Dai, Michael B. Swope
-
Publication number: 20090023604Abstract: There is provided a process for removing metal from solution wherein a solution comprising a metal is contacted with a scavenger support, whereby the scavenger support binds to at least some of the metal in solution thereby decreasing the amount of metal in solution, characterised in that the scavenger support comprises a functionalised support comprising pendant groups selected from 1,3-ketoesters or 1,3-ketoamides or mixtures thereof attached to a support wherein a number of the pendant groups are reacted with an amine. Scavenger supports comprising a functionalised support comprising pendant 1,3-ketoester or 1,3-ketoamide groups of formula 1: wherein R1 is an optionally substituted hydrocarbyl, perhalogenated hydrocarbyl or heterocyclyl group; X is O or NR2, wherein the free valence of O or NR2 is bonded to a support optionally via a linker; and R2 is hydrogen, an optionally substituted hydrocarbyl, or heterocyclyl group, wherein a number of the pendant groups are reacted with an amine are also provided.Type: ApplicationFiled: June 13, 2005Publication date: January 22, 2009Inventors: David Alan Pears, Kevin Edward Treacher, Mohammed Nisar
-
Publication number: 20090012235Abstract: A fluorocarbon coating composition comprises a fluorocarbon resin, a dispersant, and a cross-linking agent reactive with the dispersant. The dispersant used in the fluorocarbon coating composition comprises a reaction product of a non-functional acrylic monomer, an amino-functional vinyl monomer, and a hydroxy-functional acrylic monomer. The dispersant has amine functionality from the amino-functional vinyl monomer to aid in dispersion of the fluorocarbon resin in the fluorocarbon coating composition and has hydroxyl functionality from the hydroxy-functional acrylic monomer to enhance cross-linking with the cross-linking agent in the fluorocarbon coating composition. A fluorocarbon coating system comprises a substrate and the fluorocarbon coating composition disposed on the substrate.Type: ApplicationFiled: December 20, 2007Publication date: January 8, 2009Applicant: BASF CORPORATIONInventors: DAVID E. LINDOW, PATRICK J. MORMILE
-
Publication number: 20080319149Abstract: It is an object of the invention to provide a method of producing a crosslinked poly(meth)acrylic acid compound, in particular a method of producing a crosslinked poly(meth)acrylic acid nitroxide compound, which is a radical compound excellent in solvent stability.Type: ApplicationFiled: May 30, 2005Publication date: December 25, 2008Applicant: Sumitomo Seika Chemicals Co., Ltd.Inventors: Nobutaka Fujimoto, Koji Ueda, Masato Fujikake
-
Publication number: 20080275202Abstract: The present invention is directed to copolymers that include a plurality of constitutional units that correspond to cationically polymerizable monomer species and a second polymer block that comprises a plurality of constitutional units that correspond to an anionically polymerizable vinylpyridine, e.g., 2-vinylpyridine, and methods for making the same. Such copolymers can also include a linking moiety, e.g., a Formula (I) group, a Formula (II) group, or any combinations thereof.Type: ApplicationFiled: January 11, 2006Publication date: November 6, 2008Applicant: UNIVERSITY OF MASSACHUSETTSInventors: Rudolf Faust, Jae Cheol Cho
-
Water-Soluble Fluorescent Particle Comprising Entangled Fluorescent Polymer and Amphiphilic Molecule
Publication number: 20080242806Abstract: 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: ApplicationFiled: August 30, 2006Publication date: October 2, 2008Inventors: Zhikuan Chen, Xu Li -
Patent number: 7414133Abstract: The invention relates to novel metallo-organic compounds which are phosphorescence emitters. Such compounds can be used as active components (functional materials) in a range of different applications which form part of the electronics industry in the broadest sense. The inventive compounds are described by the formulae (1), (1a), (2), (2a), (3), (4), (5), (6), (7) and (8).Type: GrantFiled: November 4, 2003Date of Patent: August 19, 2008Inventors: Philipp Stössel, Ingrid Bach, Hubert Spreitzer
-
Patent number: 7396598Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.Type: GrantFiled: June 20, 2002Date of Patent: July 8, 2008Assignee: Showa Denko K.K.Inventors: Masataka Takeuchi, Shuichi Naijo, Naoko Ito, Koro Shirane, Takeshi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
-
Publication number: 20080118972Abstract: Provided is a method of isolating nucleic acid from cells using a single surface, wherein a compound represented by Formula 1 is bound to the surface. Also provided are an apparatus for isolation of nucleic acids, and a bead for isolating nucleic acids.Type: ApplicationFiled: March 29, 2007Publication date: May 22, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang eun YOO, Sung-young JEONG, Young-rok KIM
-
Patent number: 7361719Abstract: The present invention relates to a monomer with anti-microbial characteristics, a polymeric compound with anti-microbial characteristics using the same, and manufacturing methods thereof, and more particularly, to an antimicrobial monomer comprising a saturated hydrocarbon having a polymerizable functional group within its structure. Also, the present invention provides a polymeric compound using the above antimicrobial monomer, a manufacturing method thereof, and a polymeric resin composition. The compounds according to the present invention have durable antimicrobial activity and high heat resistance, they do not give rise to toxicity when added to conventional resins by not eluting the antimicrobial compounds, and they do not have an effect on the properties of molded products.Type: GrantFiled: February 3, 2003Date of Patent: April 22, 2008Assignee: Micro Science Tech Co., Ltd.Inventors: Woong-Sig Moon, Jae-Chul Kim, Kyoo-Hyun Chung, Ki-Oh Kong, Jung-Hwa Hwang
-
Publication number: 20080051541Abstract: According to an aspect of the present invention, implantable or insertable medical devices are provided that contain at least one covalently crosslinked polymeric region, which contains at least one block copolymer comprising at least one low Tg block and at least one high Tg block.Type: ApplicationFiled: June 1, 2007Publication date: February 28, 2008Inventors: Frederick H. Strickler, Mark Boden
-
Patent number: 7335373Abstract: N-halamine compounds which contain hindered amine and amide functional groups. Compounds include wherein X, X?, and X? independently are H, Cl, or Br, wherein no more than two of X, X?, and X? are H and wherein R, R?, and R? are independently alkyl groups containing 1 to 4 carbon atoms or hydrogen, and X and X? are independently H, Cl, or Br. Compositions comprising the compounds are also described. The compounds and/or compositions can be used, for example, for the purpose of constructing biocidal coatings and materials. The biocidal activity can inactivate pathogenic microorganisms such as bacteria, fungi, and yeasts, as well as, virus particles.Type: GrantFiled: November 17, 2004Date of Patent: February 26, 2008Assignee: Auburn UniversityInventors: Shelby D. Worley, Yongjun Chen, Jie Liang, Rong Wu, Kevin Barnes, Royall M. Broughton, Unchin Cho, Jaewoong Lee
-
Patent number: 7316816Abstract: The invention is directed to a copolymer comprising at least three types of monomeric units, said three types of monomeric units comprising: a temperature-sensitive unit, a hydrophilic unit, and a hydrophobic unit comprising at least one pH-sensitive moiety; wherein said hydrophobic monomeric unit is derived from a copolymerisable unsaturated fatty acid.Type: GrantFiled: June 10, 2004Date of Patent: January 8, 2008Assignee: Agency for Science Technology and ResearchInventors: Yi-Yan Yang, Kumaresh Soppimath
-
Patent number: 7202300Abstract: A method of preparing a dispersion which includes the step of contacting a first phase, a first material immiscible therewith, a first polymeric material and a second polymeric material wherein: (a) (i) said first polymeric material has a repeat unit of the formula (I), wherein A and B are the same or different, are selected from optionally-substituted aromatic and thereoaromatic groups and at least one comprises a relatively polar atom or group and R1 and R2 independently comprise relatively non-polar atoms or groups; (ii) said first polymeric material is prepared or preparable by providing a compound of general formula (I), wherein A, B, R1 and R2 are as described above, in an aqueous solvent and causing the groups C?C in said compound to react with one another to form said first polymeric material; (b) said second polymeric material includes a functional group which is able to react with said first polymeric material so that covalent bonds are formed between said first and second polymeric materials; (c) tType: GrantFiled: June 2, 2003Date of Patent: April 10, 2007Assignee: Advanced Gel Technology LimitedInventors: Donald Eagland, Nicholas John Crowther
-
Patent number: 7186774Abstract: The invention provides water-soluble or water-swellable copolymers obtained by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) optionally, one or more olefinically unsaturated, optionally crosslinking comonomers containing at least one oxygen, nitrogen, sulfur or phosphorus atom and possessing a molecular weight of less than 500 g/mol, C) one or more at least monofunctional, silicon-containing components capable of free-radical polymerization, the copolymerization D) taking place in the presence of at least one polymeric additive having number-average molecular weights of from 200 g/mol to 109 g/mol. The water-soluble or water-swellable copolymers of the present invention are useful in paper processing, laundry detergents, textile processing, petroleum extraction and formulating cosmetics.Type: GrantFiled: November 28, 2001Date of Patent: March 6, 2007Assignee: Clariant Produkte (Deutschland) GmbHInventors: Roman Morschhäuser, Jan Glauder, Matthias Löffler, Susan Rudloff, Sonja Klein
-
Patent number: 7153920Abstract: This invention is based upon the discovery that rubbery polymers having a high vinyl content and a low degree of branching can be synthesized with an initiator system that is comprised of (a) a lithium initiator selected from the group consisting of allylic lithium compounds and benzylic lithium compounds, (b) a Group I metal alkoxide, and (c) a polar modifier; wherein the molar ratio of the Group I metal alkoxide to the polar modifier is within the range of about 0.1:1 to about 10:1; and wherein the molar ratio of the Group I metal alkoxide to the lithium initiator is within the range of about 0.01:1 to about 20:1. These high vinyl polymers offer reduced levels of hysteresis and better functionalization efficiency.Type: GrantFiled: July 25, 2005Date of Patent: December 26, 2006Inventors: Michael Lester Kerns, Steven Kristofer Henning
-
Patent number: 7108924Abstract: There is provided a polymer compound in which a metal complex is bonded to a main chain of a polymer via a substituent for imparting a given distance therebetween. Specifically, a polymer compound is provided which has a partial structure represented by the general formula (1): It is thus rendered possible to improve the yield of synthesis of the polymer compound and to introduce a desired metal complex in a predetermined amount into the polymer compound. It is thus made possible to realize a white-light emitting material or a light emission of a desired color.Type: GrantFiled: April 7, 2003Date of Patent: September 19, 2006Assignee: Canon Kabushiki KaishaInventors: Jun Kamatani, Shinjiro Okada, Akira Tsuboyama, Takao Takiguchi, Satoshi Igawa
-
Patent number: 7109279Abstract: There is provided a method for producing a polymer, which is characterized by polymerizing or copolymerizing an organic compound monomer or monomers accommodated in pores of a porous metal complex.Type: GrantFiled: August 29, 2005Date of Patent: September 19, 2006Assignee: Sumitomo Chemical Company, LimitedInventors: Susumu Kitagawa, Takashi Uemura
-
Patent number: 7087677Abstract: This invention relates to copolymer compositions having pigment like properties, comprising a fluorescent or non-fluorescent dye attached to a polymer chain by a spacer having a chain length of C3 or longer. The invention also provides for new mono- and difunctional dye monomers comprising a polymerizable group attached to a dye moiety by a spacer of a chain length of C3 or longer. The polymer pigments provide excellent properties, especially high temperature stability and easy applicability as colorant in different standard polymers.Type: GrantFiled: February 20, 2002Date of Patent: August 8, 2006Inventors: Bansi Lal Kaul, Jean-Christophe Graciet, Mitchell A. Winnik, Frederic Tronc, Mei Li, Jianping Lu
-
Patent number: 7074869Abstract: This invention is based upon the discovery that rubbery polymers having a high vinyl content and a low degree of branching can be synthesized with an initiator system that is comprised of (a) a lithium initiator selected from the group consisting of allylic lithium compounds and benzylic lithium compounds, (b) a Group I metal alkoxide, and (c) a polar modifier; wherein the molar ratio of the Group I metal alkoxide to the polar modifier is within the range of about 0.1:1 to about 10:1; and wherein the molar ratio of the Group I metal alkoxide to the lithium initiator is within the range of about 0.01:1 to about 20:1. These high vinyl polymers offer reduced levels of hysteresis and better functionalization efficiency.Type: GrantFiled: September 24, 2003Date of Patent: July 11, 2006Assignee: The Goodyear Tire & Rubber CompanyInventors: Michael Lester Kerns, Steven Kristofer Henning
-
Composition and method for a hexadentate ligand and bimetallic complex for polymerization of olefins
Patent number: 7045632Abstract: A hexadentate ligand for polymerization of olefins including chemical structure I is provided: R1, R2, and R3 of chemical structure I are each independently hydrogen, hydrocarbyl, substituted hydrocarbyl, or an inert functional group; R4 and R5 are each independently hydrogen, hydrocarbyl, an inert functional group, or substituted hydrocarbyl; Y1 is a structural bridge; and W, Y1, and Z are independently hydrogen, hydrocarbyl, an inert functional group, or substituted hydrocarbyl having from about 0 to about 30 carbon atoms.Type: GrantFiled: March 4, 2003Date of Patent: May 16, 2006Assignee: Chevron Phillips Chemical Company, LPInventor: Brooke L. Small -
Patent number: 6995224Abstract: This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consisting of wherein R and R? can be the same or different and represent allyl, alkoxyl or alkyl groups containing from 1 to about 10 carbon atoms, and wherein X represents a halogen atom, and wherein m represents an integer from 4 to about 10, and wherein X represents a halogen atom; and (2) reacting the vinyl halide containing secondary amine with a vinyl magnesium halide to produce the monomer having a structural formula wherein R and R? can be the same or different and represent alkyl, allyl or alkoxyl groups containing from 1 to about 10 carbon atoms, and wherein m represents an integer from about 4 to about 10.Type: GrantFiled: January 26, 2005Date of Patent: February 7, 2006Assignee: The Goodyear Tire & Rubber CompanyInventors: Adel Farhan Halasa, Wen-Liang Hsu, Jin-Ping Zhou, Chad Aaron Jasiunas
-
Patent number: RE39450Abstract: A water-soluble polyvinylpyrridinium derivative containing a quaternary nitrogen and an anionic moiety selected from a sulfonate and/or a carboxylate functionality, said polyvinylpyrridinium derivative having the structure wherein a is a repeating unit of 1 to 100; b is a repeating unit of 0 to 99; c is a repeating unit of 0 to 99; d is a repeating unit of 0 1 to 99; R is selected from the group consisting of (CR1R2)m1, benzene, and substituted benzene; Y is selected from the group consisting of (CR3R4)m2, benzene, and substituted benzene; substituted benzene is independently a benzene substituted with a group selected from the group consisting of amino moeity moiety, nitro moiety, halogen moiety, and combinations thereof; Z is derived from an ethylenically unsaturated monomer; m1 and m2 are independently 0 to 10; M+ is independently a cation wherein M is selected from the group consisting of hydrogen, ammonia, alkali metals, alkaline earth metals, zinc, copper, organic amines, amino acids, and amino saccType: GrantFiled: February 20, 2003Date of Patent: December 26, 2006Assignee: National Starch and Chemical Investment Holding CoInventors: Klein A. Rodrigues, John S. Thomaides