Patents Examined by Elena T Lightfoot
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Patent number: 8691347Abstract: The invention concerns the methods for producing polymeric coatings on particle surfaces and can be used in pharmacology, medicine, veterinary and cosmetology to create the systems of vector delivery of drugs and biologically active agents as well as in other fields applying the particles with thin-layer polymer coatings. The method enables to obtain biocompatible, particularly polyamide and polyimide coatings on inorganic particles including magnetic inorganic nanoparticles. The method for producing polymeric coatings on particles surface comprises (a) forming a reaction system containing the particles mixed with monomers, and (b) the subsequent carrying out of polymerization reaction to form the polymeric coating on the particles; wherein the said polymerization reaction is accomplished by irradiating the reaction system with electromagnetic radiation, particularly, with microwaves capable of being absorbed partially or totally by the said particles.Type: GrantFiled: November 11, 2008Date of Patent: April 8, 2014Assignee: Emanuel Institute of Biochemical Physics of Russian Academy of Sciences (IBCP RAS)Inventors: Sergey Dmitrievich Varfolomeev, Vladimir Mikhailovich Goldberg, Alexander Nikitovich Shchegolikhin, Anatoly Alexandrovich Kuznetsov
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Patent number: 8668961Abstract: Methods of making titania coatings having self cleaning properties, and associated articles are provided. In certain example instances, a substrate supports a layer comprising titanium dioxide. The substrate may support multiple layers. In certain examples, the titanium dioxide layer is made using a process involving a titania precursor and a photomonomer. The titanium dioxide coating may be applied as a liquid directly or indirectly on a substrate, then permitted to cure. After curing using ultraviolet radiation and/or electron beams, the resulting coating may inhibit fouling, be antireflective, be highly durable, self cleaning and/or hydrophilic in certain instances.Type: GrantFiled: July 31, 2008Date of Patent: March 11, 2014Assignee: Guardian Industries Corp.Inventor: Desaraju V. Varaprasad
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Patent number: 8668954Abstract: Algae-resistant roofing shingles are formed by extruding a mixture of mineral particles and a binder to form porous granule bodies, and algaecide is distributed in the pores to provide alqae-resistant granules, which are subsequently applied to roofing shingles. Release of the algaecide is controlled by the structure of the granules.Type: GrantFiled: September 8, 2010Date of Patent: March 11, 2014Assignee: CertainTeed CorporationInventors: Keith C. Hong, Husnu M. Kalkanoglu, Ming Liang Shiao, Anne B. Hardy, James A. Salvatore, Andrew G. Johnson
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Patent number: 8663750Abstract: A method of fabricating backlight unit is disclosed. The backlight unit method of fabricating backlight unit includes, preparing a base member having a predetermined thickness, applying ultraviolet curing resin on a surface of the base member, transferring prism patterns to the ultraviolet curing resin using a flexible mold having engraved patterns corresponding to the prism patterns, and curing the prism patterns before the prism patterns are separated from the engraved patterns of the flexible mold.Type: GrantFiled: December 5, 2008Date of Patent: March 4, 2014Assignee: LG Display Co. Ltd.Inventors: Jigon Kim, Jeongmin Moon, Gibin Kim, Gilwon Han, Jigeun Nam, Chounsung Kang
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Patent number: 8623466Abstract: Provided a method for producing an oriented-porosity dielectric material on a substrate. The method includes depositing a composite layer on a substrate by vapor deposition comprising a material forming a matrix and a compound comprising chemical groups capable of being oriented under the effect of an electromagnetic field and/or photonic radiation; treating the composite layer to obtain the cross-linking of the material forming a matrix; and subjecting the substrate coated with the composite layer to an electromagnetic field and a photonic radiation.Type: GrantFiled: February 7, 2012Date of Patent: January 7, 2014Assignee: Commissariat a l'Energie AtomiqueInventor: Aziz Zenasni
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Patent number: 8580352Abstract: A method of manufacturing a touch screen substrate includes forming a sensing electrode on a substrate, spraying a first ink and a second ink having a same amount of ink as the first ink to respectively form a first ink droplet and a second ink droplet on a light blocking region of the substrate, and irradiating a first light upon the first ink droplet to form a first spacer having a first height and a second light upon the second ink droplet to form a second spacer having a second height lower than the first height. A total energy of the first light irradiated upon the first ink droplet differs from a total energy of the second light irradiated upon the second ink droplet, and the second spacer makes contact with the sensing electrode.Type: GrantFiled: October 21, 2010Date of Patent: November 12, 2013Assignee: Samsung Display Co., Ltd.Inventors: Woo-Yong Sung, Tae-Woon Cha, Tae-Gyun Kim
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Patent number: 8545935Abstract: Methods of creating particulates coated with acid-releasing degradable material comprising the steps of: combining an acid-releasing degradable material with a solvent or a plasticizer to create a coating solution; providing a first flowing stream comprising the coating solution; providing a second flowing stream comprising particulates; and, combining the first and second flowing streams to create a third flowing stream comprising particulates coated with the coating solution. Wherein the acid-releasing degradable material comprises at least one acid-releasing degradable material selected from the group consisting of: poly(orthoester); a lactide, a poly(lactide); a glycolide; a poly(glycolide); a poly(?-caprolactone); a poly(hydroxybutyrate); a substantially water insoluble anhydride; a poly(anhydride); a poly(amino acid); a copolymer of two or more of the above-listed compounds; and any combination thereof.Type: GrantFiled: March 30, 2012Date of Patent: October 1, 2013Assignee: Halliburton Energy Services, Inc.Inventors: Rajesh K. Saini, Bradley L. Todd
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Patent number: 8541062Abstract: Methods for making multi-layered anti-reflective coatings are disclosed. Un-solgel precursor compositions may be prepared having inorganic oxide precursors and UV curable acrylic monomer mixtures, deposited on a substrate, and subsequently the coated substrate may be cured by exposure to electromagnetic radiation, such as UV radiation. The coating layers may be heated using a temperature sufficient to burn off organic content and form a multi-layer anti-reflective coating. Substrates comprising such coatings and photovoltaic devices comprising such substrates and coatings are also disclosed.Type: GrantFiled: September 28, 2009Date of Patent: September 24, 2013Assignee: Guardian Industries Corp.Inventor: Desaraju V. Varaprasad
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Patent number: 8541051Abstract: The present invention relates to methods and compositions for treating subterranean formations, and more specifically, to improved methods and compositions for degrading filter cake deposited on a subterranean formation. One embodiment of the present invention provides a method of creating particulates coated with acid-releasing degradable material on-the-fly comprising the step of: combining an acid-releasing degradable material with a solvent or a plasticizer to create a coating solution; and, coating the coating solution onto a particulate on-the-fly to create coated particulates. Another embodiment of the present invention provides a gravel pack comprising gravel particles coated on-the-fly with an acid-releasing degradable material.Type: GrantFiled: December 15, 2003Date of Patent: September 24, 2013Assignee: Halliburton Energy Services, Inc.Inventors: Rajesh K. Saini, Bradley L. Todd
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Patent number: 8481108Abstract: A process of making an image element having an imperceptible message that becomes readily apparent when the image element is exposed to an excessive amount of heat and/or UV radiation is provided. The process comprises providing a first thermally sensitive coating on at least a first portion of the image element; pre-printing a first mark on the first portion of the image element, wherein the first pre-printed mark comprises non-thermally sensitive ink. The image element may be associated with a material such that, upon becoming readily apparent, the imperceptible message provides a warning that the material has been exposed to excessive heat and/or UV radiation.Type: GrantFiled: December 7, 2011Date of Patent: July 9, 2013Assignee: NCR CorporationInventors: Joseph D Roth, Wendell B Halbrook, Jr., Charles Q Maney
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Patent number: 8445074Abstract: The present invention is directed to a method of treating a tire cord, comprising the steps of A) atomizing a mixture of at least one polymerizable monomer, a halogenated saturated hydrocarbon, and a carrier gas to form an atomized mixture; B) generating an atmospheric pressure plasma from the atomized mixture; and C) exposing the tire cord to the atmospheric pressure plasma under conditions suitable to form a polymer strongly bonded to the tire cord and capable of bonding to rubber.Type: GrantFiled: April 1, 2010Date of Patent: May 21, 2013Assignee: The Goodyear Tire & Rubber CompanyInventors: Frederic Gerard Auguste Siffer, James Gregory Gillick
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Patent number: 8440267Abstract: A process for efficiently forming a thick coating layer having a uniform thickness on the surface of a base material having a curved surface. The process comprises the steps of forming a coating film having a predetermined thickness by applying a coating agent containing a polymerizable monomer on the curved surface of a base material, and then curing the coating film in an atmosphere of an oxygen concentration of not more than 500 ppm by photo-polymerization while substantially maintaining the uniformity of the thickness of the coating film. Preferably, the photo-polymerization of the coating film is carried out while rotating the base material at a rotational speed of from 20 to 1500 rpm.Type: GrantFiled: March 4, 2004Date of Patent: May 14, 2013Assignee: Tokuyama CorporationInventors: Katsuhiro Mori, Junji Momoda, Naoto Takahashi
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Patent number: 8435603Abstract: Disclosed is a method of forming on the surface of a substrate a first solid layer which is suitable for activating a chemical reaction to form a second layer thereon, the method comprising the steps of: applying to the surface of the substrate a first liquid comprising a curable composition and an activator for the second layer-forming chemical reaction; and curing the curable composition, thereby forming a first solid layer adhered to the surface of the substrate, capable of activating the second layer-forming chemical reaction. A second layer can then be formed on the substrate by bringing into contact with the first solid layer a second fluid comprising components of a second layer-forming chemical reaction, activated by the activator, thereby causing a second layer to be formed on the first solid layer.Type: GrantFiled: December 3, 2004Date of Patent: May 7, 2013Assignee: Conductive Inkjet Technology LimitedInventors: Philip Gareth Bentley, James Edward Fox, Alan Lionel Hudd, Martyn John Robinson
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Patent number: 8414980Abstract: A method of fabricating hydrophobic and oleophobic polymer fabric through two stages of modification using atmospheric plasmas including (a) moving a substrate into an atmospheric plasma area, generating an atmospheric filamentary discharge plasma with a first plasma working gas to obtain a first rough surface of said substrate, (b) exposing plasma treated substrate to air to obtain highly active peroxide on said first rough surface of said substrate, (c) immersing said substrate in a solution of fluorocarbon compound and processing a first stage of graft of a fluorocarbon monomer or oligomer on said substrate to obtain a grafted fluorocarbon monomer or oligomer layer on said first rough surface of said substrate, (d) processing a second stage of graft a fluorocarbon functional group to said grafted fluorocarbon monomer or oligomer layer by generating a carbon tetrafluoride plasma from a second plasma working gas and irradiating said carbon tetrafluoride plasma on said grafted fluorocarbon monomer or oligomerType: GrantFiled: August 21, 2009Date of Patent: April 9, 2013Assignee: Atomic Energy Council-Institute of Nuclear Energy ResearchInventors: Tien-Hsiang Hsueh, Mien-Win Wu, Chi-Fong Ai
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Patent number: 8409670Abstract: A method of producing a laminate comprising preparing a substrate having curved surfaces; applying a photopolymerizable and curable composition containing a photochromic compound and a phosphorus-containing photopolymerization initiator onto the curved surfaces of the base member; and curing the photopolymerizable and curable composition by the irradiation with an active energy ray having a relative intensity profile of 0 to 5% of wavelength components of not shorter than 200 nm but shorter than 300 nm, 25 to 75% of wavelength components of not shorter than 300 nm but shorter than 400 nm and 25 to 75% of wavelength components of not shorter than 400 nm but not longer than 500 nm while maintaining the substrate at not higher than 100° C.Type: GrantFiled: May 26, 2003Date of Patent: April 2, 2013Assignee: Tokuyama CorporationInventors: Katsuhiro Mori, Hironobu Nagoh, Junji Momoda, Shinobu Izumi
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Patent number: 8409663Abstract: A method for making a heat treatable coated article including a composite oxide coating with ultraviolet (UV) radiation blocking properties is provided. The composite oxide coating may be formed by applying, then optionally curing, a wet coating solution including a mixture of titanium, ceria, and silica to the substrate over an optional infrared (IR) blocking multi-layer coating (e.g., low-E coating). The ceria, titania, and silica may act as UV blocker(s). An organic polymer top coating may be provided over the composite oxide, where the organic polymer may be formed by exposing a photomonomer and/or photopolymer to radiation (e.g., UV radiation). The coated glass substrate may then be subjected to a high temperature heat treatment step. The coating may be heat and/or crack resistant. The coated article may be effective at blocking IR and/or UV radiation in applications such as window applications.Type: GrantFiled: April 27, 2007Date of Patent: April 2, 2013Assignee: Guardian Industries Corp.Inventors: Desaraju V. Varaprasad, John P. Hogan
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Patent number: 8394462Abstract: Described herein are methods for applying multiple layers of a composition to an article. Also presented are articles produced by the methods described herein. The methods include applying a first composition to the outer surface of a game card to produce a first layer, applying a second composition to the outer surface of the first layer to produce a second layer, applying an ink to the outer surface of the first layer, or the outer surface of the second layer, or both, so as to form an image, and applying a third composition to the outer surface of the second layer to produce a third layer.Type: GrantFiled: October 6, 2003Date of Patent: March 12, 2013Assignee: Scientific Games International, Inc.Inventors: Mark C. Tevis, Ken Downing
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Patent number: 8389056Abstract: Decorative engineered bamboo product and a method of forming a decorative engineered bamboo product in which a block of engineered bamboo product is sliced to expose an edge grain formed by edges of strands of bamboo of the product. The slices can be used directly or attached to a substrate. The slices can be further treated to produce additional decorative features. Additives can be introduced to the engineered bamboo product during the manufacture thereof to incorporate decorative elements therein which are made visible by slicing the engineered bamboo product to expose edge grain, inclusive of the cross-section of the additives.Type: GrantFiled: May 28, 2009Date of Patent: March 5, 2013Assignee: COR Engineered Woods LLCInventor: Michael Cozzolino
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Patent number: 8349391Abstract: The present invention refers to a method for producing a radium target for the production of radionuclides by means of accelerated protons, whereby at least one radium containing material out of an aqueous-organic solution or suspension of such a material is applied by means of a dispersing device on a surface in such a way that the dispersing device and the surface are moving relatively towards each other and that the solvent is removed substantially spontaneously. Further, the invention refers to a radium target that is created in such a way that it may exhibit an activity of up to 1.5 curie. The radium targets according to the present invention serve for the production of the radionuclide 225Ac, which may be used in nuclear medicine in the treatment of cancer, particularly in form of its daughter nuclide 213Bi.Type: GrantFiled: October 30, 2006Date of Patent: January 8, 2013Assignee: Actinium Pharmaceuticals Inc.Inventors: Mark Harfensteller, Ernst Huenges, Michael Schilp, Josue Manuel Moreno Bermudez
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Patent number: 8337957Abstract: The invention relates to a method for depositing a polymer layer containing nanoparticles on a substrate material. The method comprises the steps of providing the substrate material, providing a polymerization material near a surface of the substrate material, conducting a gas flow near the surface of the substrate material, the gas flow comprising a nanomaterial, and depositing the polymer layer at the surface of the substrate material by applying a plasma polymerization process.Type: GrantFiled: July 7, 2006Date of Patent: December 25, 2012Assignee: Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TNOInventors: Marcel Simor, Ales Fiala