Halogen-containing Patents (Class 252/580)
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Publication number: 20150001433Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene, trans-1,2-dichloroethylene and a third component. Also disclosed are compositions where the third component is cyclopentane, methanol, dimethyoxymethane, methyl formate or perfluoro ethyl isopropyl ketone. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: ApplicationFiled: September 16, 2014Publication date: January 1, 2015Inventors: MARK L. ROBIN, JOAN ELLEN BARTELT
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Publication number: 20120309824Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,4-hexafluoro-2-butene and ethylene oxide. Also disclosed are double azeotropic compositions of E-1,1,1,4,4,4-hexafluoro-2-butene and ethylene oxide. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions.Type: ApplicationFiled: February 25, 2011Publication date: December 6, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Mark L. Robin, Ralph Newton Miller
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Patent number: 8132753Abstract: A filament spool for use in a filament spool container, where the filament spool comprises a first rim and a second rim offset by an axial shaft, and a series of grooves extending along a first portion of the first rim and configured to receive a filament of a material while the filament is wound around the axial shaft in a first rotational direction.Type: GrantFiled: April 4, 2011Date of Patent: March 13, 2012Assignee: Stratasys, Inc.Inventors: Thomas L. Taatjes, Patrick W. Turley, Martin G. Zalusky
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Patent number: 8114318Abstract: The present invention relates to electrolytes comprising tetracyanoborate and an organic cation as components of electrolytes in electrochemical and/or optoelectronic devices, in particular solar cells. This ionic liquid has low viscosity and can be used as electrolyte in the absence of a solvent. Importantly, the ionic liquid remains stable in solar cells even after prolonged thermal stress at 80° C. for 1000 hours. Photovoltaic conversion efficiency remained stable and keeping more than 90% of the initial value.Type: GrantFiled: February 13, 2007Date of Patent: February 14, 2012Assignee: Ecole Polytechnique Federale de Lausanne (EPFL)Inventors: Daibin Kuang, Peng Wang, Shaik Mohammad Zakeeruddin, Michaël Graetzel
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Patent number: 7781626Abstract: The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluorobutane (HFC-365) and hydrogen fluoride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the production of HFC-365. The latter is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent and aerosol to propellant.Type: GrantFiled: August 21, 2007Date of Patent: August 24, 2010Assignee: Honeywell International IncInventors: Hang T. Pham, Rajiv R. Singh, Hsueh S. Tung
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Patent number: 7361795Abstract: The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluorobutane (HFC-365) and hydrogen fluoride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the production of HFC-365. The latter is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent and aerosol to propellant.Type: GrantFiled: October 14, 2003Date of Patent: April 22, 2008Assignee: Honeywell International, Inc.Inventors: Hang T. Pham, Rajiv R. Singh, Hsueh S. Tung
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Patent number: 7316793Abstract: Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser, obtained from the combination of by-products with mineral origin, whose formulation shall vary to meet different characteristics, becoming an electrical insulator, an antioxidant or a degreaser, ideal for different applications, the basic formula comprising: tetrachloroethylene, Mineral oil, methyl cellulose carboxy and 5 to 7% dipropylene glycol.Type: GrantFiled: February 21, 2001Date of Patent: January 8, 2008Inventor: Fabio Gozzi
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Patent number: 6673264Abstract: The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluorobutane (HFC-365) and hydrogen fluoride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the production of HFC-365. The latter is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent and aerosol to propellant.Type: GrantFiled: June 3, 2002Date of Patent: January 6, 2004Assignee: Honeywell International Inc.Inventors: Hang T. Pham, Rajiv R. Singh, Hsueh S. Tung
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Patent number: 6537380Abstract: A homogeneous non-aqueous composition containing a fluorinated solvent, ozone, and optionally a co-solvent and the use of these compositions for cleaning and oxidizing substrates is described.Type: GrantFiled: January 7, 2002Date of Patent: March 25, 2003Assignee: 3M Innovative Properties CompanyInventors: Lawrence A. Zazerra, Frederick E. Behr, Michael J. Parent, Paul E. Rajtar
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Patent number: 6455955Abstract: The even system electricity induction operation medium of this invention has 3 halogen atoms, especially fluorine atom into a/the molecule at least it is the even system electricity induction operation medium including one kind of liquid state organic compound at least. A even system electricity induction operation medium about-the electric conduction rate under the operation environment temperature are the electricity induction operation medium that, is in the range of 4×10−10˜5×10−6S/m and the surface tension of the even system electricity induction operation medium under the operation environment temperature are 22 dyn/cm following. This even system electricity induction operation medium is difficult combustion or noninflammable nature. This even system electricity induction operation medium is difficult combustion or noninflammable.Type: GrantFiled: October 18, 2000Date of Patent: September 24, 2002Assignee: New Technology Management Co., Ltd.Inventors: Yasufumi Otsubo, Shinichi Yokota, Kazuya Edamura
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Patent number: 6372700Abstract: A homogeneous non-aqueous compositions containing a fluorinated solvent, ozone, and optionally a co-solvent and the use of these compositions for cleaning and oxidizing substrates is described.Type: GrantFiled: March 31, 2000Date of Patent: April 16, 2002Assignee: 3M Innovative Properties CompanyInventors: Lawrence A. Zazerra, Frederick E. Behr, Michael J. Parent, Paul E. Rajtar
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Patent number: 5879592Abstract: Described are novel water soluble photochromic naphthopyran and benzopyran compounds having an alkylaminoalkylamino group on the naphtho- or benzo-portions and/or pyran portions thereof. These compounds may be represented by one of the following graphic formulae: ##STR1## wherein R.sub.1 is an alkylaminoalkylamino group. Articles such as ophthalmic lenses or other plastic transparencies and coating compositions such as paints and inks that incorporate the novel water soluble compounds are also described.Type: GrantFiled: December 10, 1997Date of Patent: March 9, 1999Assignee: PPG Industries, Inc.Inventor: Anil Kumar
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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: 5130055Abstract: Disclosed is a ceramic composite which comprises particles of at least one inorganic compound selected from the group consisting of a carbide, a nitride, an oxide, a boride, a silicide and an oxy-nitride and particles and whiskers of Si.sub.3 N.sub.4, Si.sub.2 N.sub.2 O or SiO.sub.2. This ceramic composite is small in volume change on sintering and superior in heat resistance and besides can absorb thermal shock by its voids. It can be used as ceramic heaters, current collectors, commutators for starter motor and alternator and the like.Type: GrantFiled: March 26, 1990Date of Patent: July 14, 1992Inventors: Yoshiyuki Yasutomi, Kousuke Nakamura, Hideki Kita, Masahisa Sobue
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Patent number: 5106522Abstract: An electro-rheological fluid which comprises a solid particulate substance contained in a hydrophobic vehicle which is liquid at atmospheric pressure at least at temperatures below 50.degree. C. and which comprises a compound of the formula:(X).sub.n --Ar[Q--Z].sub.pwherein:Ar represents an aromatic nucleus;Q represents an oxygen or a sulphur atom, or a group of the formula CY.sub.1 Y.sub.2, SO, SO.sub.2, SiF.sub.2, --OSi(Y.sub.1 Y.sub.2)O-- in which Y.sub.1 and Y.sub.Type: GrantFiled: April 25, 1990Date of Patent: April 21, 1992Assignee: National Research Development CorporationInventors: James E. Stangroom, Ian Harness
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Patent number: 4899249Abstract: A dielectric medium composition comprising a fluorine-containing amide or a fluorine-containing sulfonamide and capacitors or other electric devices incorporating said composition, are disclosed herein.Type: GrantFiled: April 21, 1988Date of Patent: February 6, 1990Assignee: Pennwalt CorporationInventors: James L. Reilly, Ludwig K. Huber, Gordon R. Leader
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Patent number: 4803013Abstract: Novel halogenated naphthalene derivatives of the formula ##STR1## where X is F or Br, and a process for making the same are disclosed. Insulating oils are also disclosed which essentially comprise such a fluorine-containing compound and commonly used hydrocarbon insulating oils. The additive is highly conductive to improved dielectric constant, dielectric loss, hydrogen gas absorptivity, fluidity and viscosity characteristics.Type: GrantFiled: March 16, 1988Date of Patent: February 7, 1989Assignee: Nippon Oil Co., Ltd.Inventor: Nobuo Yokoyama
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Patent number: 4620262Abstract: A polymeric dielectric having outstanding pyroelectric conversion properties, which essentially consists of a copolymer of vinylidene fluoride and trifluoroethylene in a molar ratio of from about 90:10 to 10:90.Type: GrantFiled: September 13, 1984Date of Patent: October 28, 1986Inventor: Randall B. Olsen
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Patent number: 4570043Abstract: Dielectric, cooling or arc-extinguishing fluids comprise a mixture of tetrachlorodifluoroethane and perchloroethylene, optionally with incorporation of a third component which is preferably trichlorotrifluoroethane. Transformer and circuit-interrupter apparatus containing such dielectric fluids are also described.Type: GrantFiled: May 31, 1983Date of Patent: February 11, 1986Assignee: The Electricity CouncilInventors: Harold Lloyd, David S. L. Slinn
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Patent number: 4566994Abstract: A flame-retardant electrical insulating oil composition comprising 100 parts by volume of the insulating oil and 5 to 80 parts by volume a halogen-containing phosphoric ester.Type: GrantFiled: June 6, 1983Date of Patent: January 28, 1986Assignee: Nippon Oil Co., Ltd.Inventors: Hiroshi Hasegawa, Akira Shinzawa, Yoshiki Kohno
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Patent number: 4482478Abstract: There is disclosed a fluid comprising a mixture of about 5 percent to about 40 percent by volume of a halogenated benzene and about 60 percent to about 95 percent by volume of an alkyl branched chain phthalate ester, said fluid having a dielectric constant greater than the dielectric constant of either of the halogenated benzene or the alkyl branched chain phthalate ester. The dielectric constant of an alkyl branched chain phthalate ester having a dielectric constant above about 4.0 is increased by mixing a halogenated benzene having a dielectric constant above about 4.0 with the alkyl branched chain phthalate ester whereby the measured dielectric constant of the alkyl branched chain phthalate ester having the halogenated benzene therein, is at least 0.25 higher than the dielectric constant of either the halogenated benzene or the alkyl branched chain phthalate ester. The preferred halogenated benzene is trichlorobenzene, and the preferred alkyl branched chain phthalate ester is di-2-ethylhexylphthalate.Type: GrantFiled: November 8, 1982Date of Patent: November 13, 1984Assignee: General Electric CompanyInventor: David G. Shaw
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Patent number: 4401871Abstract: A liquid halogenated hydrogenated hydrocarbon composition suitable for use as a dielectric and/or arc-extinguishing fluid in electrical apparatus, which comprises(a) a major proportion by weight of one or more halogenated paraffinic hydrocarbons having at least 8 carbon atoms and containing from 40% to 70% by weight of halogn based on the halogenated paraffinic hydrocarbon, and(b) a minor proportion by weight of at least one non-flammable viscosity-reducing additive for the halogenated paraffinic hydrocarbon (a) which contains at least 50% by weight of halogen based on the additive and is a halogenated aliphatic hydrocarbon containing from 2 to 6 carbon atoms.Suitable electrical apparatus may comprise a circuit interruption device such as a switchgear.Type: GrantFiled: January 15, 1982Date of Patent: August 30, 1983Assignee: Imperial Chemical Industries PLCInventors: Harold Lloyd, John Coxon
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Patent number: 4320035Abstract: A dielectric fluid composition with high electrical strength characterized by a gas mixed with the vapor from a first fluid having a high vapor pressure at a low temperature and the vapor from a second fluid having a low vapor pressure at a low temperature to effect a mixture having a higher electrical strength than any component thereof over a temperature range from about -20.degree. C. to -40.degree. C. to about +120.degree. C. to +140.degree. C., with the vapor pressure of the mixture at the highest temperature being about one to two atmospheres. Also, the mixing of low and high cost liquids to obtain a low cost liquid with a vapor with an electrical strength equivalent or better than the best vapor over a wide temperature range.Type: GrantFiled: February 4, 1981Date of Patent: March 16, 1982Assignee: Westinghouse Electric Corp.Inventor: Ronald T. Harrold
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Patent number: 4312794Abstract: A transformer is disclosed which contains a dielectric fluid of tetrachloroethylene. The dielectric fluid is ultra pure in that it contains less than 100 ppm of chlorohydrocarbons. A diluent, such as mineral oil, may be mixed with the tetrachloroethylene. The fluid can also contain 30 to 100 ppm of an inhibitor.Type: GrantFiled: April 2, 1980Date of Patent: January 26, 1982Assignee: Electric Power Research Institute, Inc.Inventors: Henry A. Pearce, Paul Voytik, Edward J. Walsh
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Patent number: RE33223Abstract: The invention relates to plastics materials of high electrical conductivity containing TCNQ complexes and stabilized against the emission of HCN and to mouldings, films and coatings of such materials, as well as to the use of the plastics material for the production of antistatic foils and coatings onto substrate.Type: GrantFiled: January 15, 1988Date of Patent: May 29, 1990Assignee: Bayer AktiengesellschaftInventors: Friedrich Jonas, Jurgen Hocker