Microcapsule With Solid Core (includes Liposome) Patents (Class 428/402.24)
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Patent number: 8691383Abstract: A blunt impact indicator tape includes a tape strip, a plurality of rupture-able fluid microspheres carried by the tape strip and a colored indicator fluid in each of the plurality of fluid microspheres.Type: GrantFiled: March 1, 2011Date of Patent: April 8, 2014Assignee: The Boeing CompanyInventors: Gary E. Georgeson, William Joseph Tapia
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Patent number: 8685283Abstract: Micelle-templated superficially porous particles having a solid core and an outer porous shell with ordered pore structures and a narrow particle size distribution, such as about ±5% (one sigma), and a high specific surface area of about 5 to about 1000 m2/g.Type: GrantFiled: August 29, 2008Date of Patent: April 1, 2014Assignee: Agilent Technologies, Inc.Inventors: Ta-Chen Wei, Wu Chen, William E. Barber
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Patent number: 8679629Abstract: A microcapsule comprising a core containing a hydrophobic liquid or wax within a polymeric shell, in which solid particles insoluble in the hydrophobic liquid or wax are distributed throughout the core, wherein an oil soluble dispersant polymer is adhered to the surface of the solid insoluble particles. Processes of obtaining the microcapsules and dispersions of microcapsules in a liquid are claimed. The microcapsules can be used in a variety of applications particularly in the field of thermal energy storage. Suitably the microcapsules can be designed to have a particular density and can be used in the transfer fluids where the density of the microcapsules are the same as the carrier fluid.Type: GrantFiled: November 14, 2007Date of Patent: March 25, 2014Assignee: BASF SEInventors: Chun-tian Zhao, Kishor Mistry, Bryan David Grey
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Patent number: 8652637Abstract: The present invention is core-shell polymer particles comprising a common binder polymer for the core and the shell wherein the core has a porosity and the shell is non-porous The particles have a porosity from 10 to 70 percent.Type: GrantFiled: October 11, 2007Date of Patent: February 18, 2014Assignee: Eastman Kodak CompanyInventors: Dennis J. Massa, Mridula Nair, Tamara K. Jones, Dale E. Hamilton
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Patent number: 8647535Abstract: A metal seed composition useful in seeding a metal diffusion barrier or conductive metal layer on a semiconductor or dielectric substrate, the composition comprising: a nanoscopic metal component that includes a metal useful as a metal diffusion barrier or conductive metal; an adhesive component for attaching said nanoscopic metal component on said semiconductor or dielectric substrate; and a linker component that links said nanoscopic metal component with said adhesive component. Semiconductor and dielectric substrates coated with the seed compositions, as well as methods for depositing the seed compositions, are also described.Type: GrantFiled: January 7, 2011Date of Patent: February 11, 2014Assignee: International Business Machines CorporationInventors: Kelly Malone, Habib Hichri
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Publication number: 20140037881Abstract: Fault-responsive indicator beads (10) are provided for integration into the system of a substrate such as a coating structure, a vehicle, a garment, or a package part. Each bead (10) comprises a shell (11) designed to fracture when the system encounters a fault condition. A core (12), within the shell (11), contains a material which is dormant when the shell (11) is intact and functional when the shell (11) is fractured.Type: ApplicationFiled: January 28, 2013Publication date: February 6, 2014Applicant: SCHABEL POLYMER TECHNOLOGY, LLCInventor: Norman G. Schabel, JR.
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Patent number: 8637592Abstract: The invention relates to encapsulated rubber additives in the form of microcapsules having a polymer capsule wall and a core which comprises at least one rubber additive. The invention likewise relates to a method for the production of microcapsules of this type. The microcapsules according to the invention are used during vulcanization of natural and synthetic rubbers.Type: GrantFiled: July 28, 2006Date of Patent: January 28, 2014Assignee: Schill + Seilacher GmbHInventors: Monika Jobmann, Gerald Rafler, Manfred Hensel
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Publication number: 20140017498Abstract: A high density polymer particle includes a cross-linked organic polymer host matrix; and a high density metal provided within the interior of the cross-linked organic polymer host matrix.Type: ApplicationFiled: July 13, 2012Publication date: January 16, 2014Inventors: David Francis Jennings, James R. Bennett, Mridula Nair, Mary Christine Brick
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Patent number: 8628693Abstract: Composite particles of a metal particle within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite particles are described.Type: GrantFiled: March 5, 2008Date of Patent: January 14, 2014Assignee: 3M Innovative Properties CompanyInventors: Michael S. Wendland, Neal A. Rakow, Mary I. Buckett
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Patent number: 8628852Abstract: Disclosed are core-shell resin particles (C2) each comprising one or more film-like shell layers (P) comprising a resin (a) which is a polyurethane resin and a core layer (Q) comprising a resin (b). A core-shell resin particle (C2) is characterized in that the weight ratio between (P) and (Q) is from 0.1:99.9 to 70:30, the volatile content in the resin particle (C2) is not more than 2 weight %, and the content of vinyl resins in the resin (b) is not more than 30 weight %. Such resin particles have a uniform particle diameter and are excellent in electrostatic properties, thermal and storage stability and thermal characteristics.Type: GrantFiled: July 27, 2006Date of Patent: January 14, 2014Assignee: Sanyo Chemical Industries Ltd.Inventors: Takashi Akutagawa, Tsuyoshi Izumi
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Publication number: 20130323509Abstract: The present invention relates to a resin mixture for melt processing, comprising a first resin; and a second resin comprising an acrylate-based copolymer including silica particles and having a polydispersity index (PDI) of 1 to 2.5, a method for preparing a resin-molded article using the same, and a resin-molded article. Surface characteristics of the molded article can be improved and excellent scratch resistance can be obtained by using the resin composition. In addition, processing time can be reduced, productivity is increased, and manufacturing costs are lowered by omitting the additional surface coating step.Type: ApplicationFiled: October 14, 2011Publication date: December 5, 2013Applicant: LG CHEM, LTD.Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Eun Joo Choi, Young Jun Hong
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Patent number: 8597789Abstract: The present invention relates to innovative antifouling additives, to a process for producing them, to coating systems comprising the antifouling systems of the invention, to a process for producing the coating systems, and to the use of the antifouling additives and coating systems of the invention for preventing the underwater fouling of surfaces of objects which are in contact or come into contact with water.Type: GrantFiled: August 5, 2010Date of Patent: December 3, 2013Assignee: Evonik Degussa GmbHInventors: Katharina Schulz, Rüdiger Mertsch, Jürgen Meyer, Günther Michael, Matthias Rochnia, Thorsten Schultz, Juri Tschernjaew
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Publication number: 20130302613Abstract: A microcapsule, in particular of spherical shape, having a hollow capsule core encased by a capsule shell, characterized in that the capsule shell is at least partially made of hydrated cementitious material. A method for the production of a microcapsule includes the steps of: a) preparing of a suspension of particulate cementitious material in a solvent b) preparing a dispersion by mixing the suspension of step a) with an immiscible fluid so that (i) the suspension is present as a dispersed phase in the fluid as a dispersion medium or that (ii) the fluid is present as the dispersed phase in the suspension as the dispersion medium, such that the particulate material of the suspension adsorbs at least partially at a phase boundary between the fluid and the suspension, and c) allowing the particulate material adsorbed at the phase boundary to hydrate with the formation of an individual microcapsule.Type: ApplicationFiled: October 17, 2011Publication date: November 14, 2013Applicant: Hocim Technolog Ltd.Inventors: Ludwig Julius Gauckler, Urs Thomas Gonzenbach, Philip Noah Sturzenegger, Franziska krauss Juillerat
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Publication number: 20130298729Abstract: A method of preparing thermoelectric material particles, the method comprising: disposing a first electrode and a second electrode in a dielectric liquid medium, wherein the first and second electrodes each comprise a thermoelectric material; applying an electrical potential between the first and second electrodes to cause a spark between the first and second electrodes to provide a vaporized thermoelectric material at a sparking point of at least one of the first and second electrodes; and cooling the vaporized thermoelectric material with the dielectric liquid medium to prepare the thermoelectric material particles.Type: ApplicationFiled: March 4, 2013Publication date: November 14, 2013Applicants: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-mock LEE, Kyu-hyoung LEE, Sung-ho JIN, Ami BERKOWITZ
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Patent number: 8557382Abstract: The present disclosure relates to a microcapsule and a method of forming a microcapsule which may be used for oxygen sensitive materials. The microcapsule may comprise a shell encapsulating a core material having a surface, wherein the shell comprises a first organic or inorganic polyelectrolyte providing a plurality of cationic or anionic charges. This may then be followed by forming a first layer comprising an inorganic or organic polyelectrolyte on the microcapsule surface, where the polyelectrolyte of the first layer provides a plurality of cationic or anionic charges, opposite to the charge of the shell polyelectrolyte. This may then be followed by forming a second layer comprising a second organic or inorganic polyelectrolyte providing a plurality of cationic or anionic charges, opposite to the charge of the first layer polyelectrolyte.Type: GrantFiled: May 19, 2009Date of Patent: October 15, 2013Assignee: Southwest Research InstituteInventors: James D Oxley, Jenny J. Finkbiner, Darren E. Barlow
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Publication number: 20130259913Abstract: Particles containing at least two incompatible materials, such as a hydrophilic agent and a lipophilic agent, and particles from gas saturated solution (PGSS) processes for making such particles are provided.Type: ApplicationFiled: March 29, 2012Publication date: October 3, 2013Inventors: Holly Balasubramanian Rauckhorst, Qing Stella, Andreas Josef Dreher
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Patent number: 8541103Abstract: The present invention provides silicone polymer particles having excellent tensile properties and excellent transparency and also provides a silicone composition. The present invention relates to silicone polymer particles having a silicone core-alkoxysilane condensate shell structure in which silicone particles with a volume-average particle diameter of 0.001 ?m to 1.0 ?m are coated with an alkoxysilane condensate, and also relates to a silicone composition containing (A) the silicone polymer particles, (B) a polyorganosiloxane having at least one alkenyl group in its molecule, and (C) a curing agent. The present invention further relates to respective manufacturing methods of the silicone polymer particles and the silicone composition.Type: GrantFiled: December 2, 2005Date of Patent: September 24, 2013Assignee: Kaneka CorporationInventors: Yoshifumi Fukui, Satoshi Sugiyama, Akira Takaki
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Patent number: 8529805Abstract: The invention relates to a method for the production of water absorbent polymer particles by polymerizing drops, comprising at least one monomer in a gas phase surrounding the drops, wherein the drops are produced by surrounding a first monomer solution with a second monomer solution and polymerizing the second monomer solution to a higher cross-linked polymer than the first monomer solution.Type: GrantFiled: October 2, 2007Date of Patent: September 10, 2013Assignee: BASF SEInventors: Dennis Loesch, Matthias Weismantel, Marco Krüger, Antje Ziemer
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Patent number: 8526099Abstract: A method for manufacturing microcapsules is provided. The microcapsules each include an electrophoretic dispersion liquid containing at least one type of electrophoretic particles in a dispersion medium, and a capsule body made of an organic polymer and containing the electrophoretic dispersion liquid. The method includes forming droplets of the electrophoretic dispersion liquid by dispersing the electrophoretic dispersion liquid in an polar dispersion medium, and forming the capsule bodies by mixing a polymerization initiator and a polymerizable surfactant having a hydrophilic group, a hydrophobic group and a polymerizable group with the polar dispersion medium so as to coat the droplets with the polymerizable surfactant and induce a polymerization reaction to form the organic polymer.Type: GrantFiled: April 19, 2006Date of Patent: September 3, 2013Assignee: Seiko Epson CorporationInventors: Hitoshi Yamamoto, Takeo Kawase, Toshiyuki Miyabashi
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Patent number: 8524829Abstract: The invention involves methods and products related to the micronization of hydrophobic drugs. A method of micronizing hydrophobic drugs using a set of solutions including an aqueous solution is provided. The invention also relates to products of micronized hydrophobic drugs and related methods of use.Type: GrantFiled: June 17, 2008Date of Patent: September 3, 2013Assignee: Brown University Research FoundationInventors: Edith Mathiowitz, Christopher Thanos, Zhi Liu
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Patent number: 8497137Abstract: Capture particles for harvesting analytes from solution and methods for using them are described. The capture particles are made up of a polymeric matrix having pore size that allows for the analytes to enter the capture particles. The pore size of the capture particles are changeable upon application of a stimulus to the particles, allowing the pore size of the particles to be changed so that analytes of interest remain sequestered inside the particles. The polymeric matrix of the capture particles are made of co-polymeric materials having a structural monomer and an affinity monomer, the affinity monomer having properties that attract the analyte to the capture particle. The capture particles may be used to isolate and identify analytes present in a mixture. They may also be used to protect analytes which are typically subject to degradation upon harvesting and to concentrate low an analyte in low abundance in a fluid.Type: GrantFiled: August 19, 2008Date of Patent: July 30, 2013Inventors: Alessandra Luchini, Lance Liotta, Emanuel Petricoin, Barney Bishop, Caterina Longo, Virginia Espina, Alexis Patanarut
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Patent number: 8497021Abstract: Superoleophilic particles and surfaces and methods of making the same are described. The superoleophilic particles can include porous particles having a hydrophobic coating layer deposited thereon. The coated porous particles are characterized by particle sizes ranging from at least 100 nm to about 10 ?m and a plurality of nanopores. Some of the nanopores provide flow through porosity. The superoleophilic particles also include oil pinned within the nanopores of the porous particles The plurality of porous particles can include (i) particles including a plurality of spaced apart nanostructured features comprising a contiguous, protrusive material, (ii) diatomaceous earth particles, or (iii) both. The surfaces can include the superoleophilic particles coupled to the surface.Type: GrantFiled: October 8, 2010Date of Patent: July 30, 2013Assignee: UT-Battelle, LLCInventors: John T. Simpson, Brian D'Urso
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Patent number: 8491992Abstract: The present invention relates to a sheet-like construction element composed of composite material, comprising two metallic outer layers, a rigid polyurethane foam layer, and a compact polyurethane layer which comprises microcapsules with a capsule core composed of latent-heat-accumulator material, and also to a process for its production, and to its use.Type: GrantFiled: December 4, 2009Date of Patent: July 23, 2013Assignee: BASF SEInventors: Marco Schmidt, Marco Balbo Block, Volker Schmidt, Annerose Heimes-Scheller, Lothar Jandel
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Publication number: 20130185817Abstract: This disclosure is particularly directed to arthropodal compositions in the form of capsules containing an active arthropod agent, more particularly to capsules containing an active arthropod agent and methods of making and using the same. The active arthropod agent may be an insect repellent and/or an insecticide agent.Type: ApplicationFiled: January 14, 2013Publication date: July 18, 2013Inventors: Troy S. Massey, Jeffrey T. Langley
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Patent number: 8481114Abstract: The water dispersibility of water-soluble polymer particles can be improved by a method which comprises the following step: i) foaming a fluid composition comprising a compound A) having a weight average molecular weight of less than 10,000 or a water-insoluble polymer B) having a weight average molecular weight of at least 10,000; ii) contacting the produced foam with water-soluble polymer particles having a weight average molecular weight of at least 10,000; and iii) drying the particles, whereby the foam collapses during the contacting and/or drying step and the water-soluble polymer particles are encrusted with the compound having a weight average molecular weight of less than 10,000 or the water-insoluble polymer having a weight average molecular weight of at least 10,000.Type: GrantFiled: November 6, 2009Date of Patent: July 9, 2013Assignee: Dow Global Technologies LLCInventors: Colin M. Keary, Paul J. Sheskey, Karen M. Balwinski
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Patent number: 8460791Abstract: The present invention concerns microcapsules comprising a capsule core and a capsule wall composed of thermoset polymer and also, disposed on the outer surface of the capsule wall, a polyelectrolyte having an average molecular weight in the range from 500 g/mol to 10 million g/mol, and also a process for their production and their use in bindered building materials, textiles, heat transfer fluids and dumped beds.Type: GrantFiled: July 5, 2007Date of Patent: June 11, 2013Assignee: BASF AktiengesellschaftInventors: Hans-Peter Hentze, Dieter Niederberger, Hans Willax, Joachim Burger, Daniel Pascual Gienap
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Patent number: 8461086Abstract: Disclosed is a microcapsule composition for inhibiting an ethylene response in plants, which comprises a plurality of microcapsules, each including an agent for blocking an ethylene binding site in plants in an oil droplet, and a coating encapsulating the oil droplet and the agent for blocking the ethylene binding site in plants. A method for preparing microcapsules of an agent for blocking the ethylene binding site in plants, and a method for inhibiting an ethylene response in plants are also disclosed.Type: GrantFiled: October 16, 2009Date of Patent: June 11, 2013Assignee: Lytone Enterprise, Inc.Inventors: William T. H. Chang, Hsi Ying Chen, Yi Chieh Wang
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Patent number: 8455098Abstract: A process of forming a population of microcapsules is described comprising a solid hydrophilic core material and a wall material at least partially surrounding the core material. The microcapsule population is formed by providing an anionic, or optionally a cationic, solid hydrophilic core material; providing an oil continuous phase which is low boiling and preferably nonflammable, the oil continuous phase comprising one or more esters with chain length up to about 18 carbons. A mixture is formed by dispersing the solid hydrophilic material in the oil continuous phase. Either an oil soluble or dispersible amine acrylate or methacrylate, along with acid, or alternatively acid acrylate or methacrylate along with base is added. A multifunctional acrylate or methacrylate monomer or oligomer is provided and an initiator. Optionally a surfactant is also added to form the mixture.Type: GrantFiled: April 6, 2010Date of Patent: June 4, 2013Assignee: Appleton Papers Inc.Inventor: Todd Arlin Schwantes
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Publication number: 20130136771Abstract: A substantially pure or isolated oligodeoxynucleotide of at least 10 nucleotides is disclosed, wherein the oligodeoxynucleotide comprised a sequence represented by either formula: 5? N1N2N3T-CpG-WN4N5N6 3? wherein the CpG motif is unmethylated, W is A or T, and N1, N2, N3, N4, N5, and N6 are nucleotides, or the formula: 5? RY-CpG-RY 3? wherein the central CpG motif is unmethylated, R is A or G, and Y is C or T, as well as an oligodeoxynucleotide delivery complex and a pharmacological composition comprising the present inventive oligodeoxynucleotide, and a method of inducing an immune response by administering the present inventive oligodeoxynucleotide to a host. In some embodiments, the oligodeoxynucleotide includes the nucleic acid sequences set forth as SEQ ID NO: 137.Type: ApplicationFiled: February 5, 2013Publication date: May 30, 2013Applicant: The Government of the U.S.A as represented by the Secretary of the Dept of Health & Human ServicesInventor: The Government of the U.S.A as represented by the Secretary of the Department of Health and Human Services
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Publication number: 20130118968Abstract: An iodine adsorbent of an embodiment includes: a carrier modified with a functional group represented by a formula (1); and a silver ion supported on the carrier, where R1 is a polyol group.Type: ApplicationFiled: November 14, 2012Publication date: May 16, 2013Inventors: Arisa YAMADA, Yumiko Sekiguchi, Hideyuki Tsuji
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Publication number: 20130118064Abstract: Air-stable coated particles, which include an oxidizable core having a coating substantially encompassing the oxidizable core, where the coating comprises a first organic ligand and/or a second organic ligand, are disclosed and described. The coated particles can also be substantially free of an oxide layer, especially oxide layers around the oxidizable core. As such, the coating of organic ligand(s) acts as a protective or passivating coating. The air-stable coated particles can be formed via a particle size-reduction process. An oxidizable particulate can be crushed and contacted with a first organic ligand and subsequently with a second organic ligand. The process conditions are maintained such that an oxide layer is preempted from forming on the oxidizable core. Such materials can be effective as high energy density additives for various fuels, pyrotechnic, ionic liquids, and rocket propellant applications and for biomedical applications.Type: ApplicationFiled: May 7, 2012Publication date: May 16, 2013Inventors: Scott L. Anderson, Brian R. Van Devener, Jesus Paulo L. Perez
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Publication number: 20130122103Abstract: The purpose of the present invention is to provide an electrostatically bonded vesicle which bears disulfide bonds or thiol groups. The present invention relates to a vesicle having a membrane which is formed from both a first polymer of (a) or (b) and a second polymer of (c) or (d) (with the proviso that a combination of (b) and (d) is excepted) and in which the cationic segment and anionic segment of the polymers are partially crosslinked. First polymer: (a) a block copolymer (I) having both an electrically non-charged hydrophilic segment and a cationic segment, (b) an amino acid polymer (I) having a cationic segment. Second polymer: (c) a block copolymer (II) having both an electrically non-charged hydrophilic segment and an anionic segment, (d) an amino acid polymer (II) having an anionic segment.Type: ApplicationFiled: July 27, 2011Publication date: May 16, 2013Applicants: TEIJIN LIMITED, THE UNIVERSITY OF TOKYOInventors: Akihiro Kishimura, Kazunori Kataoka, Stephanie Lee, Yasutaka Anraku, Aya Koide, Mitsuru Sakai, QiuMing Yu
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Publication number: 20130105854Abstract: A semiconductor nanocrystal-polymer micronized composite that includes: at least one semiconductor nanocrystal; and a polymer surrounding the at least one semiconductor nanocrystal, wherein the polymer includes at least one functional group reactive with the semiconductor nanocrystal, and wherein the semiconductor nanocrystal-polymer micronized composite has a particle diameter of less than or equal to about 70 micrometers (?m) with a standard deviation of less than or equal to about 20 micrometers (?m), and an aspect ratio of more than about 1.0 and less than or equal to about 10.Type: ApplicationFiled: October 26, 2012Publication date: May 2, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: SAMSUNG ELECTRONICS CO., LTD.
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Publication number: 20130095250Abstract: A thermal spray powder, which includes granulated and sintered cermet particles that contain a metal having an indentation hardness of 500 to 5,000 N/mm2, is disclosed. The granulated and sintered cermet particles have an average size of 30 ?m or less. The granulated and sintered cermet particles are composed of primary particles having an average size of 6 ?m or less. The granulated and sintered cermet particles have a compressive strength of from 100 to 600 MPa. It is preferable that the metal contained in the granulated and sintered cermet particles includes at least one selected from the group consisting of cobalt, nickel, iron, aluminum, copper, and silver. The thermal spray powder is usable in a low-temperature thermal spraying process such as cold spraying using nitrogen as a working gas.Type: ApplicationFiled: June 30, 2011Publication date: April 18, 2013Inventor: Kazuto Sato
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Publication number: 20130095323Abstract: Novel nanosized layered double hydroxide materials and a method of producing the same as well as uses of said material. The novel materials are uniform and have the general formula I [M2+1-xM3+x(OH)2][An-x/n.zH2O]??I wherein M2+ is selected from Mg2+, Ca2+, Mn2+, Fe2+, Co2+, Ni2+, and Zn2+ M3+ is selected from Al3+, V3+, Cr3+, Fe3+, Co3+, Sc3+, Ga3+, and Y3+, An- stands for an anion, x stands for a value in the range from 0.2 to 0.33, n is an integer from 1 to 4 and z is an integer from 1 to 10. The particle size is less than 1 ?m. The material can be used in heterogeneous catalysis in organic chemistry and petrochemistry, magnetic materials, pharmaceutical applications, electrode materials, tissue engineering, cosmetics, and dietary supplements.Type: ApplicationFiled: March 7, 2011Publication date: April 18, 2013Applicant: LICENTIA OYInventors: Andriy Grafov, Markku Leskelä, Iryna Grafova
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Publication number: 20130089740Abstract: The present invention relates to a method of forming an iron oleate complex comprising the steps of: (a) dissolving an oleate in a low-order alcohol solvent at a temperature of about 35° C. to 65° C.; (b) adding a non-polar solvent to the solution of step (a); (c) adding an iron salt dissolved in a low-order alcohol to the solution of step (b); (d) agitating the solution of step (c) at a temperature of about 50° C. for at least 5 min; (e) cooling the reaction mixture of step (d) to a temperature of about 15° C. to 30° C.; (f) optionally filtering the reaction mixture of step (e); (g) separating the non-polar solvent phase from the low-order alcohol phase; (h) washing and drying the non-polar solvent phase; (i) removing volatiles from the non-polar solvent phase of step (h) by evaporation; and (j) mixing the product of step (i) with a polar solvent to yield a solid iron oleate complex.Type: ApplicationFiled: June 21, 2011Publication date: April 11, 2013Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Dirk Burdinski, Carmen Bohlender
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Publication number: 20130084456Abstract: Water-dispersible core-shell microcapsules that are essentially free of formaldehyde. Also, oligomeric compositions of, and microcapsules obtained from, particular reaction products between a polyamine component and a particular mixture of glyoxal and a C4-62,2-dialkoxy-ethanal. These compositions and microcapsules can be used as part of a perfuming composition or of a perfumed consumer product.Type: ApplicationFiled: June 21, 2011Publication date: April 4, 2013Applicant: FIRMENICH SAInventors: Damien Berthier, Géraldine Leon, Nicolas Paret
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Publication number: 20130078469Abstract: A method for producing nanocomposite particles is provided. The method comprises supplying an organic phase fluid an organic phase fluid, an aqueous phase fluid, an amphiphile, and a plurality of hydrophobic nanospecies to a nozzle. An electric field is generated proximate the nozzle such that the fluid exiting the nozzle forms a cone jet that disperses into a plurality of droplets. The plurality of droplets are collected, and nanocomposite particles comprising a self-assembled structure encapsulating at least one hydrophobic nanospecies form by self-assembly.Type: ApplicationFiled: September 27, 2012Publication date: March 28, 2013Applicant: THE OHIO STATE UNIVERSITY RESEARCH FOUNDATIONInventor: The Ohio State University Research Foundation
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Publication number: 20130074728Abstract: To provide metal microparticles, with less content of alkali metal, halogen, sulfur, and phosphorus as impurities, wherein surfaces thereof are coated with a protective agent, and the protective agent is selected from at least one type of an amine compound and a calboxylic acid compound, and a total content of the alkali metal, halogen, sulfur, and phosphorus contained in the metal microparticles is less than 0.1 mass % relative to a mass of the metal microparticles.Type: ApplicationFiled: September 25, 2012Publication date: March 28, 2013Applicant: HITACHI CABLE, LTD.Inventor: HITACHI CABLE, LTD.
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Patent number: 8404347Abstract: Amphiphilic, magnetic composite particles are comprised of cores and shells. The core contains both hydrophobic vinylic graft copolymer, hydrophobic vinylic homopolymer and magnetic nanoparticles, and the shell to which the hydrophobic vinylic polymer is grafted is a hydrophilic, nitrogen-containing polymer. Typically, the composite particles are made by a process which involves generating radicals on nitrogen atoms of the water-soluble polymer, and then initiating free-radical copolymerization of said vinylic monomer(s) and vinylic-coated magnetic nanoparticles, whereby vinylic polymer(s) undergo(es) phase separation and the vinylic coated magnetic nanoparticles are encapsulated within the vinylic polymer to form a composite latex.Type: GrantFiled: January 26, 2009Date of Patent: March 26, 2013Assignee: Hong Kong Polytechnic UniversityInventors: Pei Li, Kin Man Ho
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Publication number: 20130071479Abstract: The disclosure relates to substantially uniform, high density microspheres and methods of making the microspheres. The microspheres can be made to be small in size with a narrow range of particle size distribution and a high sphericity. In one aspect, the microspheres provided herein are provided in the form of spherical cores comprising maltodextrin or maltodextrin and starch and are prepared using a centrifugal tumbling-granulating-coating apparatus. In another aspect, the spherical cores can be powder-coated with one or more layers of small particles, such as starch particles. The microspheres provided herein can be used as cores for multi-particulate solid dosage delivery systems as well as other pharmaceutical, nutraceutical, food, personal care, and other applications.Type: ApplicationFiled: September 20, 2012Publication date: March 21, 2013Applicant: GRAIN PROCESSING CORPORATIONInventor: Grain Processing Corporation
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Patent number: 8394497Abstract: Microencapsulated particles having improved resistance to moisture and extended release capabilities are produced by microencapsulating the particles in a film-forming, cross-linked, hydrolyzed polymer.Type: GrantFiled: August 19, 2011Date of Patent: March 12, 2013Assignee: Encap Technologies, LLCInventor: Robert G. Bayless
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Publication number: 20130059154Abstract: An expanded bead of a polylactic acid resin, having an exterior surface, a surface region including the entire exterior surface and having a weight of one-sixth to one-fourth the weight of the expanded bead, and a center region located inside the surface region and having a weight of one-fifth to one-third the weight of the expanded bead, wherein the expanded bead, the surface region and the center region, after having been subjected to a pretreatment including a heat treatment at 110° C. for 120 minutes followed by cooling at a cooling speed of 2° C./min, have endothermic calorific values of (Br:endo), (Brs:endo) and (Brc:endo), respectively, when measured by heat flux differential scanning calorimetry at a heating speed of 2° C./min in accordance with JIS K7122(1987), and wherein (Br:endo) is greater than 25 J/g and (Brs:endo) is smaller than (Brc:endo) and is not smaller than 0 J/g.Type: ApplicationFiled: March 24, 2011Publication date: March 7, 2013Applicant: JSP CORPORATIONInventors: Mitsuru Shinohara, Masaharu Oikawa
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Publication number: 20130058870Abstract: The invention relates to nanocrystals, containing one or more metals as defined in the specification; having a size of 2 to 200 nm; having a defined, three-dimensional polyhedral structure, optionally functionalized by ligands and/or embedded crystals. The invention further relates to monodisperse assemblies of such nanocrystals, to formulations and devices comprising such nanocrystals as well as to the manufacture and use thereof.Type: ApplicationFiled: May 11, 2011Publication date: March 7, 2013Applicant: ETH ZURICHInventors: Christophe Jan Lacroix, Christophe Chassard, Marcus Yaffee
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Publication number: 20130048946Abstract: Disclosed herein is a multilayer nanocrystal structure comprising a nanocrystal alloy core comprising two or more nanocrystals and including an alloy interlayer formed at an interface between the two or more nanocrystals, and one or more layers of nanocrystal shells formed sequentially on the surface of the nanocrystal alloy core, wherein the nanocrystal shells each have different band gaps. The multilayer nanocrystal structure can be applied to various electronic devices owing to its advantages of high luminescence efficiency, superior optical stability, and superior chemical stability.Type: ApplicationFiled: October 31, 2012Publication date: February 28, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: SAMSUNG ELECTRONICS CO., LTD.
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Patent number: 8383701Abstract: The present invention is drawn to a method of forming an encapsulated pigment dispersion and pigment dispersions that can be prepared therefrom. The method includes mixing a pigment particle in liquid vehicle dispersion with a mini-emulsion of monomers. A redox initiating agent is added to the liquid vehicle and the monomers are polymerized on the surface of the pigment particles. The resulting encapsulated pigment dispersion has a total solid content of at least 12 wt %.Type: GrantFiled: May 4, 2007Date of Patent: February 26, 2013Assignee: Hewlett-Packard Development Company, L.P.Inventor: Hui Liu
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Patent number: 8383198Abstract: The water dispersibility of water-soluble polymer particles can be improved by a method which comprises the following step: i) foaming a fluid composition comprising a compound A) having a weight average molecular weight of less than 10,000 or a water-insoluble polymer B) having a weight average molecular weight of at least 10,000; ii) contacting the produced foam with water-soluble polymer particles having a weight average molecular weight of at least 10,000; and iii) drying the particles, whereby the foam collapses during the contacting and/or drying step and the water-soluble polymer particles are encrusted with the compound having a weight average molecular weight of less than 10,000 or the water-insoluble polymer having a weight average molecular weight of at least 10,000.Type: GrantFiled: February 28, 2008Date of Patent: February 26, 2013Assignee: Dow Global Technologies LLCInventors: Colin M. Keary, Paul J. Sheskey, Karen M. Balwinski
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Publication number: 20130040817Abstract: The present invention relates to a capsule with a core/shell structure, comprising a core which comprises at least one sparingly water-soluble or water-insoluble organic active ingredient, to a method for producing such capsules having a core/shell structure, to the use of the capsules having the core/shell structure and to preparations comprising the capsules having the core/shell structure.Type: ApplicationFiled: April 19, 2011Publication date: February 14, 2013Applicant: BASF SEInventors: Jing Dreher, Roland Ettl, Holger Kreusch
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Publication number: 20130040144Abstract: The present invention provides a silicone microparticle, wherein the silicone microparticle comprises 100 parts by mass of a silicone elastomer spherical microparticle having volume-average particle diameter of 0.1 to 100 ?m and 0.5 to 25 parts by mass of a polyorganosilsesquioxane to cover surface of the silicone elastomer spherical microparticle, wherein the polyorganosilsesquioxane has a shape of granule with the size thereof being 60 nm or less. There can be provided a silicone microparticle having low agglomerating tendency and excellent dispersibility even if rubber hardness of a silicone elastomer microparticle is low and a particle diameter thereof is small.Type: ApplicationFiled: August 1, 2012Publication date: February 14, 2013Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yoshinori INOKUCHI, Ryuji HORIGUCHI
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Publication number: 20130032962Abstract: The present specification discloses porogen compositions comprising a core material and shell material, methods of making such porogen compositions, methods of forming such porous materials using such porogen compositions, biocompatible implantable devices comprising such porous materials, and methods of making such biocompatible implantable devices.Type: ApplicationFiled: September 28, 2012Publication date: February 7, 2013Applicant: Allergan, Inc.Inventor: Allergan, Inc.