Class 252/580 - Halogen-containing

Subclass of Class 252 - Compositions
Definition: Subject matter in which a component of the composition contains
No. of patents: 31
Last issue date: 02/14/2012

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Number	Title	Issue Date
8114318	Ionic liquid electrolyte 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 electrol...	02/14/2012
7361795	Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride 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...	04/22/2008
7316793	Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser 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...	01/08/2008
6673264	Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride 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...	01/06/2004
6537380	Fluorinated solvent compositions containing ozone 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....	03/25/2003
6455955	Electro-sensitive working medium and method of using the medium 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 com...	09/24/2002
6372700	Fluorinated solvent compositions containing ozone 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....	04/16/2002
5871673	Uninflammable insulating liquid 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...	02/16/1999
5672298	Electro-sensitive composition 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 co...	09/30/1997
5510058	Electro-sensitive composition 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 co...	04/23/1996
5106522	Fluid compositions 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° C. and which comprises a compound of the formula: (X)n --A...	04/21/1992
4899249	Fluorine-containing dielectric media and capacitors employing such media 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....	02/06/1990
4803013	Halogenated naphthalene derivatives 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...	02/07/1989
4620262	Pyroelectric energy converter element comprising vinylidene fluoride-trifluoroethylene copolymer 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....	10/28/1986
4570043	Dielectric fluids and apparatus incorporating such fluids 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 app...	02/11/1986
4566994	Flame-retardant electrical insulating oil composition 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....	01/28/1986
4482478	Blends of branched chain phthalate esters and halogenated benzene compounds 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 constan...	11/13/1984
4401871	Halogenated hydrocarbon compositions and electrical apparatus containing such compositions 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 a...	08/30/1983
4320035	Dielectric gas-vapor and vapor-vapor mixtures 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 temperatur...	03/16/1982
4312794	Ultra pure tetrachloroethylene dielectric fluid 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....	01/26/1982
4222783	Barium titanate series ceramics having a positive temperature coefficient of electric resistance Barium titanate series semiconductive ceramics having a positive temperature coefficient of electric resistance are disclosed. The ceramics consist mainly of a barium titanate series compound and contain specifically limited small amounts of titanium diox...	09/16/1980
4218577	Telephone service wire with ester-based filling compound This telephone service wire has metal conductors insulated with polyethylene plastic insulation or equivalent, assembled in a core having a flame-retardant polyvinyl chloride jacket. Space between the individual insulated conductors is filled with an impr...	08/19/1980
4203145	Chloro-diphenyl An improvement in an electrical device containing a functional liquid wherein the functional liquid is a compound of the formula ##STR1## and the use of such compounds as dielectrics....	05/13/1980
4149016	Perfluoroethers A method for synthesizing perfluoropolyethers by effecting addition reactions under low temperature photolysis between perfluoroolefins, perfluorodialkyl peroxides and fluoroxyperfluoroalkanes resulting in the snythesis of new compounds....	04/10/1979
4146493	Dielectric fluid Dielectric fluids having good electrical properties, low viscosities, low vapor pressures, low freezing points, high flash points and excellent biodegradability comprise a mixture of an alkylhalodiphenyl oxide and a chloro- or bromodiphenyl oxide....	03/27/1979
4115834	Dielectric composition and device containing same A dielectric composition containing a major amount of a bis (C6-12 alkyl) phthalate such as diisononyl phthalate, a minor amount of butylated monochloro diphenyl oxide, and a small effective amount of an epoxy stabilizer, and an electrical devi...	09/19/1978
4097913	Electrical capacitor having an impregnated dielectric system An electrical apparatus, such as a capacitor, having an improved dielectric system. The capacitor includes alternate layers of metal foil and a dielectric material comprising polymeric film, or a combination of polymeric film and paper, which is impregnat...	06/27/1978
4097912	Electrical capacitor having an impregnated dielectric An electrical capacitor having an improved dielectric system. The capacitor includes alternate layers of metal foil and polymeric dielectric film which is impregnated with a liquid dielectric composition composed of a mixture of mono-halogenated diphenyl ...	06/27/1978
4054937	Capacitor A capacitor is disclosed of layers of metal foil alternating with insulating sheets impregnated with a dielectric fluid. The dielectric fluid comprises a mixture of 80 to 99% by weight mono-ethylated, mono-propylated, or mono-butylated biphenyl, biphenyl ...	10/18/1977
3975448	Halogenated aralkyl ethers The invention relates to novel halogenated alkylaryl ethers having at least one fluoroalkyl grouping, which have very good thermal stability and chemical resistance, and to a process for producing the ethers....	08/17/1976
3946083	Halogenated aromatic ethers Suitable as lubricants or dielectric fluids are ethers of the formula ##SPC1## Wherein X is F or H, at least one of the substituents X being F, n is a whole number at least equal to 1, R and R' being identical or different represent H or Cl....	03/23/1976

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Class 252/580 - Halogen-containing