Benzene Ring Or Nitrogen Containing Coating Material Patents (Class 427/506)
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Patent number: 11707763Abstract: An apparatus and methods for using coatings for metal applications are disclosed. According to one embodiment, an article comprises a cured polymeric film having a first reaction product of a cationic photoinitiator and a compound suitable for cationic polymerization. The article has a second reaction product of a free-radical photoinitiator and a compound suitable for free-radical polymerization; The article has a metal substrate, wherein the cured polymeric film coats the metal substrate.Type: GrantFiled: November 20, 2019Date of Patent: July 25, 2023Assignee: G3 Enterprises, Inc.Inventors: Michael Phillips, John Cunningham
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Patent number: 10034955Abstract: The invention relates to the production of a pressure-sensitive adhesive composition polymerized entirely from acrylate-based monomers in a layer thickness of about 250 ?m and to the use thereof for adhesion to human skin. The adhesive films thus produced adhere reliably to human skin, have high water-vapor permeability despite the layer thickness, with the result that, for example, wound healing is promoted, and even after a relatively long wearing period can be removed from the skin again without leaving a residue and without damaging the skin.Type: GrantFiled: March 29, 2011Date of Patent: July 31, 2018Assignee: Lohmann GmbH & Co. KGInventors: Thomas Kluge, Peter Nissing, Patricia Petrick, Mario Schuette
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Patent number: 9579844Abstract: A method for coating workpieces (10), preferably in sheet form, which preferably consist at least in certain portions of wood, wood-based materials, plastic or the like, with the following method steps: providing a workpiece (10) having at least one workpiece surface (12), in which the workpiece surface (12) is improved by applying at least a first curable liquid to the workpiece surface (12) and at least partially curing the first liquid (16); exposing the workpiece (10) to energy, at least on the workpiece surface (12) and/or a coating (14) that is intended to be applied to the workpiece surface (12); and applying the coating (14), in particular of an edge (14), to the liquid-coated workpiece surface (12) and preferably pressing the edge (14) onto a liquid-coated workpiece surface (12).Type: GrantFiled: February 22, 2011Date of Patent: February 28, 2017Assignee: HOMAG HOLZBEARBEITUNGSSYSTEME AGInventors: Johannes Schmid, Klaus Reich, Achim Gauss
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Publication number: 20150099413Abstract: A functionalized nonwoven substrate and methods for preparing the same are described. The functionalized substrates are useful in selectively filtering and removing biological materials, such as biocontaminates, from biological samples.Type: ApplicationFiled: February 26, 2013Publication date: April 9, 2015Inventors: Michael R. Berrigan, Jonathan F. Hester, Clinton P. Waller, Jr., Douglas E. Weiss
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Publication number: 20150086799Abstract: An organic polymer solution may include about 0.1%-30% by weight of a specific polymer having rigid rod-like molecules. These molecules may include various cores, spacers, and sides groups to ensure their solubility, viscosity, and cross-linking ability. The rigid rod-like molecules are selected in such a way that they form self-assembling structures in the polymer solution, which makes it a lyotropic liquid crystal. The organic polymer solution, when properly deposited on a substrate and dried to remove solvents, forms a solid optical retardation layer of positive A-type substantially transparent to electromagnetic radiation in the visible spectral range.Type: ApplicationFiled: September 20, 2013Publication date: March 26, 2015Applicant: LIGHT POLYMERS HOLDINGInventors: Irina Kasyanova, Evgeni Poliakov, Valery Kuzmin, Mary Parent
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Patent number: 8927615Abstract: A method and a system for producing a change in a medium disposed in an artificial container. The method places in a vicinity of the medium at least one of a plasmonics agent and an energy modulation agent. The method applies an initiation energy through the artificial container to the medium. The initiation energy interacts with the plasmonics agent or the energy modulation agent to directly or indirectly produce the change in the medium. The system includes an initiation energy source configured to apply an initiation energy to the medium to activate the plasmonics agent or the energy modulation agent.Type: GrantFiled: May 8, 2013Date of Patent: January 6, 2015Assignees: Immunolight, LLC, Duke UniversityInventors: Frederic Avery Bourke, Jr., Tuan Vo-Dinh
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Publication number: 20140378561Abstract: A membrane obtainable from curing a composition comprising (i) a curable compound comprising at least two acrylic groups and a quaternary ammonium group; (ii) solvent; and optionally (iii) a curable compound having one ethylenically unsaturated group.Type: ApplicationFiled: July 5, 2012Publication date: December 25, 2014Applicant: FUJIFILM MANUFACTURING EUROPE BVInventors: Bastiaan Van Berchum, Willem Johannes Van Baak, Jacko Hessing
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Publication number: 20130243965Abstract: Provided are a method for preparing grapheme from an organic material using a radiation technique, and graphene prepared using the same, and more particularly, a method of preparing graphene by dissolving an organic material such as polymer, oligomer, or the like, in a solvent to prepare an organic material solution, applying the prepared solution to an upper portion of a substrate to form an organic thin film, introducing a cross-link structure into the organic thin film through irradiation with radiation, and then performing a carbonization process, and graphene prepared using the same. With a method of preparing graphene from an organic material using a radiation technique, and graphene prepared using the same according to the present invention, expensive metal catalyst and substrate, oxidation and reduction processes, and a delicate process control may not be required as compared to the existing method.Type: ApplicationFiled: November 29, 2012Publication date: September 19, 2013Applicants: KOREA HYDRO & NUCLEAR POWER CO., LTD., KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Jae Hak CHOI, Chan Hee Jung, In Tae Hwang, Dong Woo Kang
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Publication number: 20130122310Abstract: The present invention relates to a radiation curable aqueous composition comprising at least one ethylenically unsaturated polymer (1) which is the reaction product of a water-dispersible (meth)acrylic polymer A containing pendant hydroxyl or isocyanate groups, and containing pendant groups capable to render the polymer dispersible in aqueous medium either directly or after reaction with a neutralizing agent; at least one ethylenically unsaturated compound B which can be radically polymerized under irradiation and which attaches to the (meth)acrylic polymer A by an urethane linkage; and, optionally, at least one neutralizing agent C. The present invention further relates to the making and use of such radiation curable aqueous compositions.Type: ApplicationFiled: July 12, 2011Publication date: May 16, 2013Inventors: Michel Tielemans, Jean-Noël Baurant
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Publication number: 20130056415Abstract: A negatively charged microporous filtration medium having a high charge density comprising a porous substrate and a polymerized cross-linked polymeric coating located on the inner and outer surfaces of the substrate. The coating may be formed from a reactant solution comprising negatively charged cross-linkable polymerizeable acrylamidoalkyl monomers and acrylamido cross-linking agents which are polymerized in situ on the substrate. The negatively charged microporous filtration medium are suitable for use as prefiltration membranes for selectively removing protein aggregates from a protein solution.Type: ApplicationFiled: February 26, 2010Publication date: March 7, 2013Inventors: Mikhail Kozlov, Kevin Rautio
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Publication number: 20120248028Abstract: A curable composition comprising: (i) 2.5 to 50 wt % crosslinker comprising at least two acrylamide groups; (ii) 12 to 65 wt % curable ionic compound comprising an ethylenically unsaturated group and a cationic group; (iii) 10 to 70 wt % solvent; and (iv) 0 to 10 wt % of free radical initiator; and (v) non-curable salt; wherein the molar ratio of (i):(ii) is >0.10. The compositions are useful for preparing ion exchange membranes.Type: ApplicationFiled: December 9, 2010Publication date: October 4, 2012Applicant: FUJIFILM MANUFACTURING EUROPE BVInventors: Harro Antheunis, Jacko Hessing, Bastiaan Van Berchum
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Publication number: 20110217478Abstract: The invention relates to a radiation curable aqueously dispersed polyester resin composition containing an emulsifier D and the reaction product AC of a hydroxy functional polyester resin A and an olefinically unsaturated compound C which can be radically polymerised and which is attached to the polyester resin backbone by an ester linkage or a urethane linkage. The invention also relates to a process for its preparation and to a method of use thereof.Type: ApplicationFiled: October 9, 2009Publication date: September 8, 2011Applicant: Cytec Surface Specialities S.A./N.V.Inventors: Luc De Waele, Stephan Peeters, Thierry Randoux, Edmund Urbano
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Publication number: 20100292378Abstract: This invention relates to: (1) a transparent composite material comprising a cured product of a resin composition having from 60 to 90% by mass of a vinyl ester resin composition which has a vinyl ester resin being synthesized from an aliphatic epoxy compound and from 10 to 40% by mass of synthetic smectite that is organized with a quaternary ammonium salt and/or a quaternary phosphonium salt and has a number average particle diameter of from 10 to 300 nm and an aspect ratio of from 10 to 300, the composition being cured, (2) a method for producing the transparent composite material, wherein the raw material composition for the composite material before curing is cured with an electron beam (EB), an ultraviolet ray (UV) or heat, and (3) a display device and a substrate for a solar cell comprising the transparent composite material as a substrate.Type: ApplicationFiled: January 30, 2009Publication date: November 18, 2010Applicant: SHOWA DENKO K.K.Inventors: Ryoji Toita, Kenji Shimamura
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Patent number: 7829155Abstract: The present invention provides a new monomer and methods of using the monomer to fabricate robust polymer surface coatings with controlled thicknesses between 1 and 5 nanometers. The coatings are composed of a new material containing polymerized monomers of 4-vinylbenzenepropanethiol. The polymer surface coating may be applied to metal and silicon. The method includes exposing a metal substrate to a solution of the monomer in hexanes in order to deposit a monolayer of the monomer onto the metal surface. The substrate is then irradiated with ultraviolet radiation in order to graft a thin polymer coating onto the surface. The procedure can be repeated in order to control the thickness of the coating between about 1 nm and 5 nm. Alternatively, thermally initiated polymerization or deposition of partially oligomerized monomers onto the surface provides nanothin coatings with identical performance.Type: GrantFiled: October 12, 2007Date of Patent: November 9, 2010Assignee: The University of Memphis Research FoundationInventors: Evgueni Pinkhassik, Larry Todd Banner, Benjamin T. Clayton
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Patent number: 7695773Abstract: The present invention relates to powder compositions curable by ultraviolet irradiation or by accelerated electron beams. These powder compositions comprise at least one ethylenically unsaturated resin, and lend to the production of paint and varnish coatings exhibiting a unique combination of properties, inter alia good flow and mechanical properties and above all outstanding adhesion to metal substrates, persisting on ageing.Type: GrantFiled: September 23, 2005Date of Patent: April 13, 2010Assignee: CYTEC Surface Specialties, S.A.Inventors: Luc Moens, Nele Knoops, Daniel Maetens
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Patent number: 6764758Abstract: The invention relates to a surface-modified layer systems, a method for the production and use thereof. The invention in particular relates to surface-modified layer systems, comprising a substrate and a mono-layer at least partially arranged on said substrate. Said mono-layer is cross-linked in the lateral direction and covalently bonded by anchor groups to at least one surface of said substrate. Said mono-layer is also composed of low molecular weight aromatic and/or heteroaromatic compounds. The mono-layer which is cross-linked in the lateral direction is composed of low molecular weight aromatic and/or heteroaromatic compounds and is integral with the surface-modified layer system, and exhibiting the characteristics of a cross-linked solid. Said mono-layer protects the surfaces of the corresponding substrate from damage caused by friction and corrosion in a particularly advantageous manner.Type: GrantFiled: August 13, 2002Date of Patent: July 20, 2004Assignee: Universitat HeidelbergInventors: Michael Grunze, Wolfgang Eck, Armin Gölzhäuser, Michel Zharnikov, Volker Stadler, Wolfgang Geyer
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Patent number: 6759096Abstract: The foregoing differential gloss covering comprises a backing substrate, an ink layer, and a cured top layer having a first surface portion with a first gloss and a second surface portion, made by the process comprising providing the backing substrate; depositing an ink formulation comprising a curing agent over at least a first area of a top side of the backing substrate to form said ink layer; coating the top side of the backing substrate with a radiation curable formulation to form a top curable layer; diffusing at least a portion of the curing agent into the top curable layer; curing the top curable layer to form the cured top layer and thereby forming a differential gloss covering having said first surface portion above the first area of said top of said backing substrate having the first gloss and the second surface portion having the second gloss that is different from said first gloss.Type: GrantFiled: September 24, 2001Date of Patent: July 6, 2004Assignee: Congoleum CorporationInventors: Richard C. MacQueen, Thomas E. Janini, Anthony A. Parker
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Patent number: 6656537Abstract: A method for plasma enhanced chemical vapor deposition of low vapor monomeric materials. The method includes flash evaporating a polymer precursor forming an evaporate, passing the evaporate to a glow discharge electrode creating a glow discharge polymer precursor plasma from the evaporate, and cryocondensing the glow discharge polymer precursor on a substrate as a cryocondensed polymer precursor layer, and crosslinking the cryocondensed polymer precursor layer thereon, the crosslinking resulting from radicals created in the glow discharge polymer precursor plasma.Type: GrantFiled: March 19, 2001Date of Patent: December 2, 2003Assignee: Battelle Memorial InstituteInventors: John D. Affinito, Gordon L. Graff, Peter M. Martin, Mark E. Gross, Eric Mast, Michael G. Hall
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Patent number: 6627267Abstract: A method for plasma enhanced chemical vapor deposition of low vapor pressure monomeric materials. The method includes making an evaporate by receiving a plurality of monomeric particles of the low vapor pressure monomeric materials as a spray into a flash evaporation housing, evaporating the spray on an evaporation surface, and discharging the evaporate through an evaporation outlet; making a monomer plasma from the evaporate by passing the evaporate proximate a glow discharge electrode; and cryocondensing the monomer plasma onto the substrate as a cryocondensed monomer. The invention also involves a method for making self-curing polymer layers in a vacuum chamber.Type: GrantFiled: May 11, 2001Date of Patent: September 30, 2003Assignee: Battelle Memorial InstituteInventor: John D. Affinito
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Patent number: 6593006Abstract: A method of fabricating a decorative wood article includes the steps of applying a decorative overlay onto at least one surface of a wood article, applying a radiation curable powder coating onto the outer surface of the overlay, heating the applied radiation curable powder coating at a temperature sufficient to melt and flow the powder coating, and exposing the applied powder coating to radiation energy to cure the powder coating and form a film on the outer surface of the decorative overlay.Type: GrantFiled: September 27, 2001Date of Patent: July 15, 2003Assignee: O'Sullivan Industries, Inc.Inventor: David Russell Worsley
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Patent number: 6544600Abstract: A method for making conjugated polymers. The method includes flash evaporating a conjugated material forming an evaporate, passing the evaporate to a glow discharge electrode creating a glow discharge conjugated material plasma from the evaporate, and cryocondensing the glow discharge conjugated polymer precursor plasma on a substrate as a condensate and crosslinking the condensate thereon, the crosslinking resulting from radicals created in the glow discharge conjugated material plasma.Type: GrantFiled: March 19, 2001Date of Patent: April 8, 2003Assignee: Battelle Memorial InstituteInventors: John D. Affinito, Gordon L. Graff, Mark E. Gross
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Patent number: 6270857Abstract: When an insulator is irradiated with an electron beam, a pulse-shape voltage is applied to the insulator from a pulse power source. As a result, a charge-up state of the insulator can be prevented. If an object which must be subjected to surface modification is an insulator, the object can effectively be irradiated with the electron beam to perform the surface modification.Type: GrantFiled: August 10, 1999Date of Patent: August 7, 2001Assignee: Sony CorporationInventors: Minehiro Tonosaki, Mitsunori Ueda, Masato Kobayashi, Hiroyuki Okita
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Publication number: 20010006759Abstract: Radiation sensitive compositions, processes for using the compositions, and articles of manufacture comprising the compositions. The compositions of the invention are use to form flexible coatings having a dielectric constant of 3 or less. The compositions comprise a resin binder and a polybutadiene that comprises one or more internal epoxide groups. In preferred aspect of the invention, the compositions of the invention further comprise a crosslinking agent capable of solvating the remaining constituents of the composition. The coatings are used for the manufacture of electronic and other devices.Type: ApplicationFiled: September 8, 1998Publication date: July 5, 2001Applicant: Charles R. Shipley Jr.Inventors: CHARLES R. SHIPLEY, JAMES G. SHELNUT, WADE SONNENBERG
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Patent number: 6242055Abstract: A cured coated article and a process for making same includes coating a substrate, such as wood, plastic, high pressure laminates, ceramic or metal with a radiation curable top coat having UV protectable additives therein. The radiation curable top coat is subjected to a curing step which includes curing with either an electron beam, ultraviolet radiation or a combination thereof. A sublimatable ink may be transferred into the top coat.Type: GrantFiled: July 12, 1999Date of Patent: June 5, 2001Assignee: Universal Woods IncorporatedInventors: Paul Neumann, Donald P. Hart, Jr.
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Patent number: 6207239Abstract: The method of the present invention has the steps of (a) flash evaporating a conjugated material in an evaporate outlet forming an evaporate; (b) passing the evaporate to a glow discharge electrode creating a glow discharge conjugated monomer plasma from the evaporate; and (c) cryocondensing the glow discharge conjugated monomer plasma on a substrate and crosslinking the glow discharge conjugated monomer plasma thereon, wherein the crosslinking results from radicals created in the glow discharge conjugated monomer plasma and achieves self curing.Type: GrantFiled: December 16, 1998Date of Patent: March 27, 2001Assignee: Battelle Memorial InstituteInventor: John D. Affinito
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Patent number: 6146711Abstract: A wear layer is applied to a flooring material to yield a product having superior properties. The wear layer is applied to the flooring material using a coating composition comprising (i) a polyvinyl chloride (PVC) resin, (ii) an acrylic or methacrylic compound and (iii) a radiation-reactive urethane oligomer, which composition is substantially or completely free of internal or external plasticizers, heating to heat-cure the coating composition and irradiating the composition to radiation-cure the coating composition.Type: GrantFiled: August 5, 1997Date of Patent: November 14, 2000Assignee: Domco Industries LtdInventors: Jean-Fran.cedilla.ois Courtoy, Claude Charest
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Patent number: 5994110Abstract: Compounds which possess a complementary structure to a desired molecule, such as a biomolecule, in particular polymeric or oligomeric compounds, which are useful as in vivo or in vitro diagnostic and therapeutic agents are provided. Also, various methods for producing such compounds are provided. These polymeric or oligomeric compounds are useful in particular as antimicrobial agents, receptor, hormone or enzyme agonists and antagonists.Type: GrantFiled: September 2, 1998Date of Patent: November 30, 1999Inventors: Klaus Mosbach, Peter A. G. Cormack, Olof Ramstrom, Karsten Haupt
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Patent number: 5859084Abstract: A process for the preparation of a radiation-curable acrylate composition, wherein to compounds A containing at least 2 acrylic groups there are added benzophenone derivatives which are not copolymerizable by free-radical copolymerization and which contain at least one primary or secondary amino group or a hydroxyl group or a mercapto group.Type: GrantFiled: July 15, 1996Date of Patent: January 12, 1999Assignee: BASF AktiengesellschaftInventors: Jochen Schroder, Wolfgang Reich, Erich Beck, Martin Fischer, Wolfram Weiss
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Patent number: 5698192Abstract: A method for modifying an ocular implant polymer surface by the gamma-irradiation induced polymerization thereon of N-vinylpyrrolidone, 2-hydroxyethylmethacrylate or a mixture thereof while maintaining the following conditions:(a) monomer concentration in the range of from about 0.1% to about 50%, by weight;(b) total gamma dose in the range of from about 0.001 to less than about 0.50 Mrad; and(c) gamma dose rate in the range of from above about 2,500 to about 10.sup.8 rads/minute.Type: GrantFiled: September 25, 1996Date of Patent: December 16, 1997Assignee: University of FloridaInventor: Eugene P. Goldberg
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Patent number: 5693374Abstract: .alpha.-resorcylic acid ester derivatives useful as electron-accepting compounds for recording materials, and highly durable recording materials containing these derivatives. The .alpha.-resorcylic acid derivative is represented by the following general formula (I), ##STR1## wherein R.sub.1 represents a hydrogen atom, a halogen atom or an alkyl group, and X represents a divalent group.Type: GrantFiled: June 20, 1995Date of Patent: December 2, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Hisao Yamada, Shunsaku Higashi, Ken Iwakura
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Patent number: 5620751Abstract: Binders for powder coatings comprising A) a solid unsaturated polyester and B) a polyurethane comprising (meth)acryloyl groups. These polyester-containing mixtures are distinguished by an improved blocking stability compared with polyurethane alone.Type: GrantFiled: March 14, 1996Date of Patent: April 15, 1997Assignee: Hoechst AktiengesellschaftInventors: Gerhard Brindoepke, Dietmar Fink, Gerd Walz
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Patent number: 5547753Abstract: Novel aminoplast anchored UV stabilizers are provided. Compared to unanchored stabilizers, the anchored stabilizers disclosed herein have increased compatibility with coating resins and have reduced volatility due to higher molecular weights resulting from anchoring. A process for preparing the anchored stabilizers by the reaction of unanchored stabilizers with alkoxymethylated aminoplasts in a sulfuric acid medium is also provided. The unanchored stabilizers include 2-(2-hydroxyaryl)benzotriazoles, 2-hydroxybenzophenones, 2-(2-hydroxyaryl)-4,6-diaryl-1,3,5-tri-azines, salicylic acid derivatives, 2-hydroxyoxanilides, and blocked derivatives thereof as well as mixtures of two or more stabilizers. The aminoplasts include alkoxymethylated derivatives of glycolurils, melamines, and benzoguanamines.Type: GrantFiled: May 23, 1995Date of Patent: August 20, 1996Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Paul S. Waterman
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Patent number: 5403873Abstract: There is provided a plastisol for use in a electrically conductive molded article comprising non-conductive high polymer particles having surfaces coated with an electrically conductive high polymer or non-conductive high polymer particles having surfaces coated with filler of electrically conductive fine particles, and a plastisizer compatible with the said non-conductive high polymer. The plastisol is excellent in fluidity and good in processability. Said plastisol can provide a molded article having excellent electrical conductivity and is suited for, e.g., production of floor materials or sealing materials having low static properties and formation of an electrically conductive path.Type: GrantFiled: February 11, 1993Date of Patent: April 4, 1995Assignee: Nippon Zeon Co., Ltd.Inventors: Eitaro Nakamura, Kazunori Ueki
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Patent number: 5364691Abstract: This invention relates to radiation curable alk-1-enyloxy carbonate reaction products of a hydroxylated compound having the formula A-ROH and a dialk-1-enyloxy carbonate having the formula ##STR1## wherein R is a polymeric radical selected from the group of polyester, polyacetal, polyurethane, polyether, and polycarbonate, said polymers containing from about 10 to 50 repeating monomer units;A' is a terminating moiety and is hydrogen, lower alkyl or hydroxy;R' is hydrogen or lower alkyl;B is a linear, branched or cyclic divalent radicalhaving from 2 to 12 carbon atoms and is selected from the group of alkylene, mono or poly alkoxylated alkylene, alkenylene, alkynylene, arylene, alkarylene and aralkylene radicals, which radicals are optionally substituted with halo, lower alkyl, cyano, nitro or alkoxy and m has a value of from 1 to 10.Type: GrantFiled: March 9, 1990Date of Patent: November 15, 1994Assignee: ISP Investments Inc.Inventors: Paul D. Taylor, Kolazi S. Narayanan, Jeffrey S. Plotkin
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Patent number: 5294463Abstract: This invention concerns new molecules with active, non-linear optical properties and which can be thermally reticulated (more precisely, these molecules include terminal functions which can be reticulated, attached to either side of the groups active in non-linear optics, which can be oriented under an electrical field). When reticulated and oriented under an electrical field, these materials are particularly stable and can be employed for industrial applications, using non-linear optics (electrooptical modulators, frequency doublers, etc.).Type: GrantFiled: June 12, 1992Date of Patent: March 15, 1994Assignee: Thompson-CSFInventors: Pierre Le Barny, Evelyne Chastaing, Jean-Claude Dubois, Sophie Muller, Francoise Soyer
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Patent number: 5290548Abstract: A method for modifying the plastic surface of an article adapted for contacting living tissue by the gamma or electron beam irradiation induced chemical graft coating thereon of:(1) a neutral or ionic water-soluble, hydrophilic vinylic monomer or salt thereof;(2) a mixture of at least two of said monomers, or(3) a mixture of (1) or (2) with up to about 50%, by weight, based on the total monomer weight, of a member selected from the group consisting of N-vinylpyrrolidone, 2-hydroxyethyl-methacrylate, and mixtures thereof; so as to form a hydrophilic graft polymer coating on the surface.Type: GrantFiled: March 30, 1992Date of Patent: March 1, 1994Assignee: University of FloridaInventors: Eugene P. Goldberg, Ali Yahiaoui, Khalid Mentak
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Patent number: 5256454Abstract: Electrification is suppressed with a water-soluble electrification-suppressing film having an electron conductivity and comprising a polymer resin. A high electrification-suppressing effect which is also high in vacuum can be easily obtained by using the electrification-suppressing film with less contamination.Type: GrantFiled: May 30, 1991Date of Patent: October 26, 1993Assignees: Hitachi, Ltd., Showa Denko K.K. CorporationsInventors: Fumio Murai, Yasunori Suzuki, Hideki Tomozawa, Ryuma Takashi, Yoshihiro Saida, Yoshiaki Ikenoue
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Patent number: 5242898Abstract: A method of forming a superconducting circuit comprises the steps of preparing a ceramics body which is changed from a non-superconductive phase not superconducting at the working temperature into a superconducting phase superconducting at the working temperature by heat treatment and performing the heat treatment on a part of the ceramics body by applying a laser beam to the ceramics body to change the same into the superconductive phase, thereby to form a superconducting circuit consisting of the superconductive phase and the non-superconductive phase on the ceramics body.Type: GrantFiled: May 19, 1992Date of Patent: September 7, 1993Assignee: Sumitomo Electric Industries, Ltd.Inventors: Kenichi Takahashi, Noriyuki Yoshida, Jun Shioya, Yoichi Yamaguchi, Akira Mizoguchi, Noriki Hayashi, Satoshi Takano, Kenji Miyazaki