Si-containing Patents (Class 252/573)
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Patent number: 12018203Abstract: According to the present invention, there is provided a composition comprising 1,1-difluoroethylene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf) and carbo dioxide (CO2, R-744). The invention also provides a composition R-1132a, R-32, R-1234yf and at least one compound selected from the group consisting of: pentafluoroethane (R-125), 1,1-difluoroethane (R-152a), 1,1,1,2-tetrafluoroethane (R-134a), trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and 1,1,1,2,3,3,3-heptafluoropropane (R-227ea); optionally, the composition comprises at least one further compound selected from the group consisting of trifluoroethylene (R-1123), propane (R-290), propylene (R-1270), isobutane (R-600a) and carbon dioxide (CO2, R-744). The present invention also provides a composition comprising R-1132a, R-32 and R-1234yf.Type: GrantFiled: February 11, 2020Date of Patent: June 25, 2024Assignee: MEXICHEM FLUOR S.A. DE C.V.Inventor: Robert Low
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Patent number: 11989607Abstract: Example embodiments of systems and methods for preventing chip fraud are provided. A chip fraud prevention system may comprise a device including a chip, wherein the chip is at least partially encompassed in a chip pocket. One or more connections may be communicatively coupled to one or more surfaces of the chip, and a capacitance member may be coupled to a surface of the chip. The capacitance member may comprise a known capacitance value and the chip may comprise a memory containing an applet, wherein the applet is configured to measure the capacitance value of the capacitance member.Type: GrantFiled: June 28, 2022Date of Patent: May 21, 2024Assignee: CAPITAL ONE SERVICES, LLCInventors: Daniel Herrington, Stephen Schneider, Tyler Maiman
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Patent number: 11905376Abstract: The production of SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers comprising repeating (AB) units by reaction of polyether diols with trifluoromethanesulfonic acid-acidified, equilibrated ?,?-diacetoxypolydimethylsiloxanes is described, wherein the reaction is undertaken by adding a solid, liquid or gaseous base, optionally using inert solvents.Type: GrantFiled: January 13, 2021Date of Patent: February 20, 2024Assignee: Evonik Operations GmbHInventors: Wilfried Knott, Horst Dudzik, Dagmar Windbiel
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Patent number: 11901098Abstract: The present disclosure describes an assembly adapted for mitigating dry band arcing on power distribution line insulators. The assembly includes a polymeric insulator for power distribution line having a core, two end fittings affixed to opposing ends of the core, and a housing circumferentially surrounding the core. The housing including an upper end section and a lower end section each overlapping a respective end fitting, and a series of axially spaced apart annular sheds projecting radially outwardly from an outer surface of the housing. The device further includes a cover having a main body including a sidewall and a top wall, the sidewall and the top wall together define a cavity. A lower edge of the sidewall defines a lower opening and the top wall includes an upper opening, both the lower and upper openings being in communication with the cavity.Type: GrantFiled: July 28, 2022Date of Patent: February 13, 2024Assignee: TE CONNECTIVITY SOLUTIONS GmbHInventors: Kiran Pusthay, Senthil A. Kumar
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Patent number: 10167414Abstract: The present invention is directed to a specific class on pigment reactive silicone polymers that contain both higher alkyl groups and reactive trialkoxy silanes present in the backbone of a specific silicone polymer. By carefully selecting the proper reactive silicone polymer and treating the pigment with said polymer a surprisingly stable and efficient coating is applied the pigment, most importantly ZnO and TiO2 as to render photo stability and alter solubility of the pigment in a variety of solvents.Type: GrantFiled: June 7, 2017Date of Patent: January 1, 2019Inventor: Thomas O'Lenick
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Patent number: 9764353Abstract: A method of producing a layer of a UV-cured silicone rubber composition on a substrate surface, including applying a primer composition to the substrate surface and hardening the primer composition followed by applying a UV-curable silicone rubber composition, and UV-curing the curable silicone rubber composition. At least one UV-sensitive crosslinking catalyst selected from compounds which initiate and promote curing of UV-curable silicone rubber compositions, is added to the silicone primer composition in any desired sequence before, during or after hardening of the silicone primer composition.Type: GrantFiled: March 29, 2013Date of Patent: September 19, 2017Assignee: ABB Research Ltd.Inventors: Jan Van Loon, Marco Schneider, Patrick Meier, Xavier Kornmann
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Patent number: 9693563Abstract: Complexes of boron and alkyl ether terminated silane polyethers are described. Compositions incorporating such complexes are also described. In addition to the boron-silane polyether complex, such compositions include water and one or more enzymes. Compositions further containing actives and/or polyols are also described. Uses for such compositions include disinfection.Type: GrantFiled: August 11, 2014Date of Patent: July 4, 2017Assignee: 3M Innovative Properties CompanyInventor: Vishalkumar Y. Joshi
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Patent number: 8912460Abstract: This disclosure relates to methods and systems to reduce high voltage breakdown jitters in liquid dielectric switches. In particular, dielectric liquids have been produced that contain a suspension of nanoparticles and a surfactant to reduce the breakdown jitter. In one embodiment, the suspended nanoparticles are Barium Strontium Titanate (BST) nanoparticles.Type: GrantFiled: May 23, 2012Date of Patent: December 16, 2014Assignee: The Curators of the University of MissouriInventors: Randy D. Curry, Christopher Yeckel, Daniel Crosby
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Publication number: 20140264199Abstract: The present invention is directed toward compositions suitable for use as dielectric fluids, lubricant fluids and biodiesel fluids. Compositions described herein are obtained from a saturated, unsaturated or combinations of both monol, diol, triol or polyol acyl ester based fluid and/or a non-ester based fluid and 2,4,6-tris(di-C1-C6-alkylaminomethyl)phenol and/or the carboxylic acid salt of 2,4,6-tris(di-C1-C6-alkylaminomethyl)phenol. These compositions demonstrate improved oxidative stability and/or hydrolytic stability at higher use temperatures.Type: ApplicationFiled: March 11, 2014Publication date: September 18, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Hari Babu Sunkara, Raja Hari Poladi
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Patent number: 8785799Abstract: This invention is directed to a polymer thick film moisture barrier layer dielectric composition comprising thermoplastic urethane resin, thermoplastic phenoxy resin, diacetone alcohol and fumed silica. Dielectrics made from the composition can be used in various electronic applications to protect electrical elements and particularly to insulate and protect both the conductive thermoformable silver above it and the polycarbonate substrate below it in capacitive switch applications.Type: GrantFiled: January 8, 2013Date of Patent: July 22, 2014Assignee: E I du Pont de Nemours and CompanyInventor: Jay Robert Dorfman
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Patent number: 8753549Abstract: The disclosure is directed to a thermally-stable dielectric fluid. The dielectric fluid includes (a) an oil, (b) a substituted, hindered phenolic antioxidant having at least two substituted cresol groups being covalently bonded to each other through a methylene bridge, and (c) a substituted, diphenyl amine antioxidant having at least two substituted phenyl groups being covalently bonded to each other through an amine bridge.Type: GrantFiled: September 15, 2011Date of Patent: June 17, 2014Assignee: Dow Global Technologies LLCInventors: Suh Joon Han, Dale C. Schmidt, Christopher J. Tucker
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Patent number: 8709303Abstract: A dielectric insulation medium including a hydrofluoro monoether, the hydrofluoro monoether containing at least three carbon atoms. The insulation medium according has high insulation capabilities, in particular a high dielectric strength, and at the same time a low GWP. The invention further includes an insulation medium which is chemically and thermally stable also at temperatures above 140° C., which is non-toxic or has a low toxicity level, and which in addition is non-corrosive and non-explosive.Type: GrantFiled: June 14, 2013Date of Patent: April 29, 2014Assignee: ABB Research Ltd.Inventors: Navid Mahdizadeh, Thomas Alfred Paul, Judith Kessler, Markus Bujotzek, Patrick Stoller, Max-Steffen Claessens, Per Skarby
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Patent number: 8654070Abstract: Electrophoretic particles including mother particles and a dispersant that covers the surface of the mother particles, the mother particles including a resin and a colorant, and the dispersant having a structure represented by the following Formula (1): wherein in Formula (1), R1 represents a dimethyl siloxane chain that comprises two or more dimethyl siloxane structures that are linked together, the dimethyl siloxane chain being optionally substituted by an organic group; R2 represents a hydrogen atom or a methyl group; Ar1 represents an organic group having an aromatic group; a represents an integer of from 8 to 88; b represents an integer of from 12 to 82; c represents an integer of from 0 to 30; f represents an integer of from 1 to 3; the total of a, b and c is 100; and the ratio of unit (b) in the dispersant having a structure represented by Formula (1) is about 50% by weight or less.Type: GrantFiled: March 15, 2010Date of Patent: February 18, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Nami Tokunaga, Jun Kawahara, Daisuke Nakayama, Yasuo Yamamoto, Hiroaki Moriyama
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Patent number: 8440116Abstract: Disclosed herein are a dielectric fluid composition and a method thereof. Also disclosed are viscosity modifiers and a method of lowering the viscosity of an oil-based dielectric fluid. The composition includes an oil with a high mono-unsaturated fatty acid content and one or more fatty acid alkyl esters, each having a fatty acid and an alkyl moiety, wherein the alkyl moiety of the fatty acid alkyl esters has 1 to 4 carbon atoms, and wherein both the oil and the fatty acid alkyl ester are in the range of 40%-60% v/v of the dielectric fluid composition. The viscosity modifier includes one or more fatty acid alkyl esters with an alkyl moiety and a fatty acid moiety, wherein the alkyl moiety has 1 to 4 carbon atoms. The method of lowering the viscosity includes blending the viscosity modifier and a vegetable oil-based dielectric fluid in a ratio of 40:60-60:40.Type: GrantFiled: April 11, 2008Date of Patent: May 14, 2013Inventors: Mohammed Amanullah, Syed M. Islam, Samer Chami, Gary Ienco
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Publication number: 20130062314Abstract: This disclosure relates to methods and systems to reduce high voltage breakdown jitters in liquid dielectric switches. In particular, dielectric liquids have been produced that contain a suspension of nanoparticles and a surfactant to reduce the breakdown jitter. In one embodiment, the suspended nanoparticles are Barium Strontium Titanate (BST) nanoparticles.Type: ApplicationFiled: May 23, 2012Publication date: March 14, 2013Applicant: THE CURATORS OF THE UNIVERSITY OF MISSOURIInventors: Randy D. Curry, Christopher Yeckel, Daniel Crosby
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Patent number: 8324302Abstract: A method is provided that includes providing a resin in liquid form. The resin can be partially cured, and subsequent to partially curing the resin, the resin can be mixed with filler particles. The resin and filler particles can be mixed, say, in a planetary mixer, and can be exposed to an ambient pressure less than atmospheric pressure during mixing. Subsequent to mixing the resin and filler particles, the resin can be fully cured. The fully-cured resin can be disposed between first and second conductive components configured to be maintained at different potentials, such as between a phase conductor and a ground conductor.Type: GrantFiled: February 18, 2010Date of Patent: December 4, 2012Assignee: General Electric CompanyInventors: Thangavelu Asokan, Sujatha Pushpakanth, Shalini Thimmegowda
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Patent number: 8222457Abstract: A coordination compound of an element of the boron group, the production of the compound and methods of using the compound as an additive, stabilizer, catalyst, co-catalyst, activator for catalyst systems, conductivity improver, and electrolyte.Type: GrantFiled: November 19, 2007Date of Patent: July 17, 2012Assignee: Chemetall GmbHInventors: Wolfram Lerner, Jens Röder, Hannes Vitze, Matthias Wagner, Ulrich Wietelmann
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Patent number: 8120840Abstract: An electrorheological fluid is provided. The electrorheological fluid includes polarizing particles and a dispersion medium in which the polarizing particles are dispersed. The polarizing particles may include silica particles. The dispersion medium may include silicon oil. The silicon oil may be modified silicon oil including at least one functional group selected from the group consisting of a hydroxyl group (—OH group), an amine group (—NH2 group), a mercapto group (—SH group), and a carboxy group (—COOH group).Type: GrantFiled: May 27, 2011Date of Patent: February 21, 2012Assignees: Inha-Industry Partnership Institute, Samsung Electronics Co., Ltd.Inventors: Hyoung-Jin Choi, Ying-Dan Liu, Bo-Mi Lee, Tae-Sang Park
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Patent number: 8101098Abstract: The present invention relates to a mixture of an oligomeric, blocked aminosilane (azomethine structure) and a monomeric, blocked, primary amine (azomethine structure). This mixture is suitable in particular as a curing agent, crosslinker and adhesion promoter.Type: GrantFiled: February 15, 2007Date of Patent: January 24, 2012Assignee: Construction Research & Technology GmbHInventor: Helmut Mack
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Patent number: 8097187Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: GrantFiled: September 23, 2010Date of Patent: January 17, 2012Assignee: Cooper Industries, Inc.Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, Charles Patrick McShane
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Patent number: 8080185Abstract: A dielectric gaseous compound which exhibits the following properties: a boiling point in the range between about ?20° C. to about ?273° C.; non-ozone depleting; a GWP less than about 22,200; chemical stability, as measured by a negative standard enthalpy of formation (dHf<0); a toxicity level such that when the dielectric gas leaks, the effective diluted concentration does not exceed its PEL; and a dielectric strength greater than air.Type: GrantFiled: August 30, 2010Date of Patent: December 20, 2011Assignee: Honeywell International Inc.Inventors: Matthew H. Luly, Robert G. Richard
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Publication number: 20110198545Abstract: A method is provided that includes providing a resin in liquid form. The resin can be partially cured, and subsequent to partially curing the resin, the resin can be mixed with filler particles. The resin and filler particles can be mixed, say, in a planetary mixer, and can be exposed to an ambient pressure less than atmospheric pressure during mixing. Subsequent to mixing the resin and filler particles, the resin can be fully cured. The fully-cured resin can be disposed between first and second conductive components configured to be maintained at different potentials, such as between a phase conductor and a ground conductor.Type: ApplicationFiled: February 18, 2010Publication date: August 18, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Thangavelu Asokan, Sujatha Pushpakanth, Shalini Thimmegowda
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Publication number: 20110135847Abstract: A spin-on dielectric of novel composition formed as a sol comprising an a source of silicon such as an orthosilicate ester, alone or in combination with an alkylated orthosilicate ester, a polar solvent, water, an acid catalyst, which may be a strong acid catalyst, and an amphiphilic block copolymer surfactant, optionally including an organic acid, a co-solvent and/or a reactive solvent. Also provided is a method of formulating the sol, a film made from the spin-on dielectric that has desirable electrical and mechanical properties, methods for treating the film described to optimize the film's electrical and mechanical performance, and methods for depositing the film onto silicon, steel or other surfaces.Type: ApplicationFiled: January 20, 2011Publication date: June 9, 2011Inventors: Mark L. F. Phillps, Travis P.S. Thoms
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Publication number: 20110122480Abstract: Provided are a method of fabricating an electrophoretic ink, the electrophoretic ink formed using the method, and an electrophoretic display having the same. The method of fabricating the electrophoretic ink includes dispersing a pigment particle into a dielectric fluid for the electrophoretic ink and adding at least monomer and initiator to the dielectric fluid to form a polymeric membrane surrounding the pigment particle. Since the pigment particle surrounded by the polymeric membrane and the dielectric fluid in which the pigment particle is dispersed can be utilized as the electrophoretic ink as they are, the method of fabricating the electrophoretic ink is simplified.Type: ApplicationFiled: April 22, 2010Publication date: May 26, 2011Applicant: ELECTRONICS AND TELECOMMUNICATONS RESEARCH INSTITUTEInventors: Chul Am KIM, Hyeonjung Yoo, Kyung Soo Suh, Seung Youl Kang
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Patent number: 7931830Abstract: A dielectric composition which is adapted for combining with a supporting material ( e.g., fiber-glass cloth) to form a dielectric layer usable in circuitized such as PCBs, chip carriers and the like. As such a layer, it includes a resin, a predetermined percentage by weight of a filler, and, significantly, only a minor amount of bromine. A circuitized substrate comprised of one or more of these dielectric layers and one or more conductive layers is also provided.Type: GrantFiled: November 3, 2005Date of Patent: April 26, 2011Assignee: Endicott Interconnect Technologies, Inc.Inventors: Robert M. Japp, Voya R. Markovich, Kostas I. Papathomas
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Publication number: 20110043441Abstract: Electrophoretic particles including mother particles and a dispersant that covers the surface of the mother particles, the mother particles including a resin and a colorant, and the dispersant having a structure represented by the following Formula (1): wherein in Formula (1), R1 represents a dimethyl siloxane chain that comprises two or more dimethyl siloxane structures that are linked together, the dimethyl siloxane chain being optionally substituted by an organic group; R2 represents a hydrogen atom or a methyl group; Ar1 represents an organic group having an aromatic group; a represents an integer of from 8 to 88; b represents an integer of from 12 to 82; c represents an integer of from 0 to 30; f represents an integer of from 1 to 3; the total of a, b and c is 100; and the ratio of unit (b) in the dispersant having a structure represented by Formula (1) is about 50% by weight or less.Type: ApplicationFiled: March 15, 2010Publication date: February 24, 2011Applicant: FUJI XEROX CO., LTD.Inventors: Nami TOKUNAGA, Jun KAWAHARA, Daisuke NAKAYAMA, Yasuo YAMAMOTO, Hiroaki MORIYAMA
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Publication number: 20110014796Abstract: This invention relates to a dipping solution used in a process for producing a siliceous film. The present invention provides a dipping solution and a siliceous film-production process employing the solution. The dipping solution enables to form a homogeneous siliceous film even in concave portions of a substrate having concave portions and convex portions. The substrate is coated with a polysilazane composition, and then dipped in the solution before fire. The dipping solution comprises hydrogen peroxide, a foam-deposit inhibitor, and a solvent.Type: ApplicationFiled: March 3, 2009Publication date: January 20, 2011Inventor: Masanobu Hayashi
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Publication number: 20100314590Abstract: Silicon precursors for forming silicon-containing films in the manufacture of semiconductor devices, such as films including silicon carbonitride, silicon oxycarbonitride, and silicon nitride (Si3N4), and a method of depositing the silicon precursors on substrates using low temperature (e.g., <550° C.) chemical vapor deposition processes, for fabrication of ULSI devices and device structures.Type: ApplicationFiled: August 24, 2010Publication date: December 16, 2010Applicant: Advanced Technology Materials, Inc.Inventors: Ziyun WANG, Chongying Xu, Bryan Hendrix, Jeffrey Roeder, Tianniu Chen, Thomas H. Baum
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Publication number: 20100301344Abstract: A dielectric layer for an electronic device, such as a thin-film transistor, is provided. The dielectric layer comprises a molecular glass. The resulting dielectric layer is very thin, pure, and stable. Processes and compositions for fabricating such a dielectric layer are also disclosed.Type: ApplicationFiled: May 29, 2009Publication date: December 2, 2010Applicant: XEROX CORPORATIONInventors: Yiliang Wu, Ping Liu, Nan-Xing Hu
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Patent number: 7815821Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: GrantFiled: April 13, 2009Date of Patent: October 19, 2010Assignee: Cooper Industries, Inc.Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, Charles Patrick McShane
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Publication number: 20090298671Abstract: Silica-based materials and films having a dielectric constant of 3.7 or below and compositions and methods for making and using same are disclosed herein. In one aspect, there is provided a composition for preparing a silica-based material comprising an at least one silica source, a solvent, an at least one porogen, optionally a catalyst, and optionally a flow additive wherein the solvent boils at a temperature ranging from 90° C. to 170° C. and is selected from the group of compounds represented by the following formulas: HO—CHR8—CHR9—CH2—CHR10R11 where R8, R9, R10 and R11 can independently be an alkyl group ranging from 1 to 4 carbon atoms or a hydrogen atom; and R12—CO—R13 where R12 is a hydrocarbon group having from 3 to 6 carbon atoms; R13 is a hydrocarbon group having from 1 to 3 carbon atoms; and mixtures thereof.Type: ApplicationFiled: August 10, 2009Publication date: December 3, 2009Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Scott Jeffrey Weigel, Shrikant Narendra Khot, James Edward Mac Dougall, Thomas Albert Braymer, John Francis Kirner, Brian Keith Peterson
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Publication number: 20090267058Abstract: A method for fabricating a sol-gel film composition for use in a thin film transistor is disclosed. The method BB includes fabricating the sol-gel dielectric composition by solution processing at a temperature in the range 60° C. to 225° C. The sol-gel film made by the method, and an organic thin-film Si wafer Si wafer transistor incorporating the sol-gel film are also disclosed.Type: ApplicationFiled: May 22, 2007Publication date: October 29, 2009Inventors: Ebinazar Benjamin Namdas, Tommy Cahyadi, G. Subodh Mhaisalkar, Pooi See Lee, Zhikuan Chen, Yeng Ming Lam, Lixin Song
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Publication number: 20090250652Abstract: The present invention relates to a stable sediment dispersion which can be used above all as electrorheological (ERF) and/or magnetorheological fluid (MRF), a method for production thereof and also use thereof.Type: ApplicationFiled: April 20, 2007Publication date: October 8, 2009Applicant: FRAUNHOFER-GESELLSCHAFT zur Forderung der Angewandten Forschung e.VInventors: Jochen Uebe, Erich Seider, Silvia Gaul, Holger Böse
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Publication number: 20080171136Abstract: A composition of matter and a structure fabricated using the composition. The composition comprising: a resin; polymeric nano-particles dispersed in the resin, each of the polymeric nano-particle comprising a multi-arm core polymer and pendent polymers attached to the multi-arm core polymer, the multi-arm core polymer immiscible with the resin and the pendent polymers miscible with the resin; and a solvent, the solvent volatile at a first temperature, the resin cross-linkable at a second temperature, the polymeric nano-particle decomposable at a third temperature, the third temperature higher than the second temperature, the second temperature higher than the first temperature, wherein a thickness of a layer of the composition shrinks by less than about 3.5% between heating the layer from the second temperature to the third temperature.Type: ApplicationFiled: March 24, 2008Publication date: July 17, 2008Inventors: Geraud Jean-Michel Dubois, James Lupton Hedrick, Ho-Cheol Kim, Victor Yee-Way Lee, Teddie Peregrino Magbitang, Robert Dennis Miller, Muthumanickam Sankarapandian, Linda Karin Sundberg, Willi Volksen
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Patent number: 7141188Abstract: The present invention provides a composition comprising: (a) dielectric material; and (b) porogen comprising at least two fused aromatic rings wherein each of the fused aromatic rings has at least one alkyl substituent thereon and a bond exists between at least two of the alkyl substituents on adjacent aromatic rings. Preferably, the dielectric material is a composition comprising (a) thermosetting component comprising (1) optionally monomer of Formula I as set forth below and (2) at least one oligomer or polymer of Formula II as set forth below where Q, G, h, I, I, and w are as set forth below and (b) porogen.Type: GrantFiled: May 30, 2002Date of Patent: November 28, 2006Assignee: Honeywell International Inc.Inventors: Bo Li, Nancy Iwamoto, Boris Korolev, Paul G. Apen, Kreisler Lau, John G. Sikonia, Ananth Naman, Amauel Gebrebrhan, Nassrin Sleiman, Ruslan Zherebin
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Patent number: 6900923Abstract: A film suitable for use as a light-modulating unit of a suspended particle device (SPD) light valve. The film comprises a siloxane matrix polymer which has a refractive index>1.4630 and has droplets of a liquid light valve suspension distributed within the matrix. The liquid light valve suspension preferably comprises a polyalkyl (meth)acrylate and/or fluorinated (meth)acrylate suspending polymer and optionally may comprise one or more non-polymeric liquids.Type: GrantFiled: June 18, 2003Date of Patent: May 31, 2005Assignee: Research Frontiers IncorporatedInventors: Srinivasan Chakrapani, Steven M. Slovak
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Patent number: 6764718Abstract: A method for forming an electrically insulating thin film coating the surface of an electronic device with an electrically insulating thin-film-forming resin composition and crosslinking the composition by a method selected from the group consisting of heating and irradiation with high-energy rays.Type: GrantFiled: December 9, 2002Date of Patent: July 20, 2004Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Takashi Nakamura, Kiyotaka Sawa, Akihiko Kobayashi, Katsutoshi Mine
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Patent number: 6673274Abstract: The invention provides dielectric compositions and methods of forming the same. The dielectric compositions may be used to form dielectric layers in electronic devices such as multilayer ceramic capacitors (MLCCs) and, in particular, MLCCs which include base metal electrodes. The dielectric compositions include a barium titanate-based material and several dopants. The type and concentration of each dopant is selected to provide the dielectric composition with desirable electrical properties including a stable capacitance over a temperature range, a low dissipation factor, and a high capacitance. Preferably, MLCCs including dielectric layers formed with the composition satisfy X7R and/or X5R requirements.Type: GrantFiled: April 11, 2001Date of Patent: January 6, 2004Assignee: Cabot CorporationInventors: Sridhar Venigalla, Dorran L. Schultz
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Patent number: 6645403Abstract: Disclosed herein is a multiphase electrorheological fluid having an improved yield stress and stability. The multiphase electrorheological fluid comprises a first liquid phase component as a continuous oil phase; particles dispersed in the continuous oil phase; and a second liquid phase component which consists of emulsion liquid droplets and is dispersed in the continuous oil phase while being immiscible with the continuous oil phase. The dispersed liquid droplets have higher electrical conductivity and dielectric constant than those of the continuous oil phase.Type: GrantFiled: August 22, 2000Date of Patent: November 11, 2003Assignee: Korea Advanced Institute of Science and TechnologyInventors: O Ok Park, Byung Doo Chin
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Publication number: 20030151031Abstract: The present invention provides a composition comprising: (a) dielectric material; and (b) porogen comprising at least two fused aromatic rings wherein each of the fused aromatic rings has at least one alkyl substituent thereon and a bond exists between at least two of the alkyl substituents on adjacent aromatic rings. Preferably, the dielectric material is a composition comprising (a) thermosetting component comprising (1) optionally monomer of Formula I as set forth below and (2) at least one oligomer or polymer of Formula II as set forth below where Q, G, h, I, I, and w are as set forth below and (b) porogen.Type: ApplicationFiled: May 29, 2002Publication date: August 14, 2003Inventors: Bo Li, Nancy Iwamoto, Boris Korolev, Paul G. Apen, Kreisler Lau, John G. Sikonia, Ananth Naman, Amauel Gebrebrhan, Nassrin Sleiman, Ruslan Zherebin
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Publication number: 20030010962Abstract: An adhesive in the form of a liquid epoxy resin composition comprising (A) a liquid epoxy resin, (B) 20 to 90% by weight based on the entire composition of an inorganic filler having an average particle size from more than 1 &mgr;m to 20 &mgr;m and containing up to 1% by weight of a fraction of particles having a particle size of at least 45 &mgr;m and optionally, (C) a silicone-modified resin is suitable for bonding optical elements in optical devices.Type: ApplicationFiled: May 21, 2002Publication date: January 16, 2003Inventors: Haruyoshi Kuwabara, Miyuki Wakao, Toshio Shiobara
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Publication number: 20020171066Abstract: The invention provides dielectric compositions and methods of forming the same. The dielectric compositions may be used to form dielectric layers in electronic devices such as multilayer ceramic capacitors (MLCCs) and, in particular, MLCCs which include base metal electrodes. The dielectric compositions include a barium titanate-based material and several dopants. The type and concentration of each dopant is selected to provide the dielectric composition with desirable electrical properties including a stable capacitance over a temperature range, a low dissipation factor, and a high capacitance. Preferably, MLCCs including dielectric layers formed with the composition satisfy X7R and/or X5R requirements.Type: ApplicationFiled: April 11, 2001Publication date: November 21, 2002Inventors: Sridhar Venigalla, Dorran L. Schultz
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Publication number: 20020052442Abstract: Process for preparing non-aqueous dispersions, wherein a liquid prepolymer is emulsified in a non-aqueous liquid, the droplet size of the emulsion is adjusted to 0.1 to 30 &mgr;m and the droplet size distribution U90 is adjusted to less than 2 by means of a jet disperser, and the droplets are cured by a chemical reaction.Type: ApplicationFiled: April 30, 1999Publication date: May 2, 2002Inventors: ECKHARD WENDT, ROBERT BLOODWORTH, MARKUS MECHTEL, BERND KLINKSIEK, OLAF HALLE
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Patent number: 5948852Abstract: Process for preparing non-aqueous dispersions, wherein a liquid prepolymer is emulsified in a non-aqueous liquid, the droplet size of the emulsion is adjusted to 0.1 to 30 .mu.m and the droplet size distribution U.sub.90 is adjusted to less than 2 by means of a jet disperser, and the droplets are cured by a chemical reaction.Type: GrantFiled: August 7, 1997Date of Patent: September 7, 1999Assignee: GE Bayer Silicones GmbH & Co. KGInventors: Eckhard Wendt, Robert Bloodworth, Markus Mechtel, Bernd Klinksiek, Olaf Halle
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Patent number: 5948929Abstract: A fluorinated organosilicon compound is represented by formula (I).Type: GrantFiled: January 8, 1998Date of Patent: September 7, 1999Assignee: FSO LimitedInventor: Vladimir Mileshkevich
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Patent number: 5871673Abstract: An uninflammable insulating liquid is obtained by adding an emulsifying agent having a volume ratio of 1 to 3% to an insulating liquid containing a fluorocarbon liquid of at least 25% in a volume ratio to cause emulsification. In this liquid mixture, when polyol ester or polydimethylsiloxane is used as the insulating liquid, an uninflammable insulating liquid that does not cause pollution or an environmental problem can be obtained. When tricresyl phosphate is used as the insulating liquid, an uninflammable insulating liquid having a dielectric constant close to that of insulating paper can be obtained. A liquid pipe for circulating a fluorocarbon emulsion in a tank is provided outside the tank, and a pump and a stirrer are connected midway along the liquid pipe to constantly stir the fluorocarbon emulsion, thereby preventing it from being separated into two layers. When a radiator is provided to the liquid pipe, the stirring system for the fluorocarbon emulsion can also serve as the cooling system.Type: GrantFiled: December 29, 1995Date of Patent: February 16, 1999Assignee: Fuji Electric Co., Ltd.Inventor: Yoshitake Nakagami
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Patent number: 5672298Abstract: An electro-sensitive composition comprising a fluorine compound having a predetermined structure, and an electrically insulating medium capable of dissolving this fluorine compound when a voltage is applied thereto, is disclosed. This electro-sensitive composition has a straight chain or cyclic fluorocarbon, and fluorine compound particles possessing dissociable polarity, dispersed in an electrically insulating medium; by means of the application of a voltage to this electro-sensitive composition, the transparency and viscosity thereof can be easily adjusted.Type: GrantFiled: January 29, 1996Date of Patent: September 30, 1997Assignee: Fujikura Kasei Co., Ltd.Inventors: Kazuya Edamura, Yasufumi Otsubo
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Patent number: 5510058Abstract: An electro-sensitive composition comprising a fluorine compound having a predetermined structure, and an electrically insulating medium capable of dissolving this fluorine compound when a voltage is applied thereto, is disclosed. This electro-sensitive composition has a straight chain or cyclic fluorocarbon, and fluorine compound particles possessing dissociable polarity, dispersed in an electrically insulating medium; by means of the application of a voltage to this electro-sensitive composition, the transparency and viscosity thereof can be easily adjusted.Type: GrantFiled: June 29, 1994Date of Patent: April 23, 1996Assignee: Fujikura Kasei Co., Ltd.Inventors: Kazuya Edamura, Yasufumi Otsubo
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Patent number: 5510549Abstract: The invention provides a fiber optic cable and a diamondoid-based viscous filling material for a fiber optic cable.Type: GrantFiled: March 20, 1995Date of Patent: April 23, 1996Assignee: Mobil Oil CorporationInventors: Henry Ashjian, Dong-Ming Shen, Margaret M. Wu
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Patent number: 5496483Abstract: Disclosed are electroviscous liquid essentially containingA) A linear and/or branched, eventually functionalized, polyether or the monomers thereof, the conversion product of such polyether resp. such monomer with mono- or oligo functional compounds and eventually additional additives, andB) a dispersing agent, andC) a non-aqueous dispersion-medium.In an embodiment a cavity contains the electroviscous liquid and has parts movable with relation to each other and electrode means for generating an electrical field within the cavitywherein applying the electrical field increases the viscosity of the liquid.Type: GrantFiled: April 11, 1994Date of Patent: March 5, 1996Assignee: Bayer AGInventors: Udo Herrmann, Gu/ nter Oppermann, Gu/ nther Penners, Roland Flindt, Hans-Horst Steinbach