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| Number | Title | Issue Date |
| 7029605 | Low dielectric constant material having thermal resistance, insulation film between semiconductor layers using the same, and semiconductor device There is provided a low dielectric constant material, which is excellent in thermal resistance, has low dielectric constant, and is applicable to a semiconductor device or electric appliances, an insulation film between semiconductor layers using the same, and the s... | 04/18/2006 |
| 6905638 | Vegetable oil based dielectric fluid and methods of using same In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a ... | 06/14/2005 |
| 6770426 | Supercritical compositions for removal of organic material and methods of using same A method for removing organic material in the fabrication of structures includes providing a substrate assembly having an exposed organic material and removing at least a portion of the exposed organic material using a composition including sulfur trioxide (SO3... | 08/03/2004 |
| 6521142 | Fire-resistant hydraulic fluid compositions The present invention relates to fire-resistant hydraulic fluids. More particularly, the invention relates to fire-resistant hydraulic fluid compositions comprising the combination of a trialkoxyalkyl-phosphate, a diluent selected from the group consistin... | 02/18/2003 |
| 6355850 | Manufacture of electrical oil enriched with hydrofined gas oil for improved oxidation and electrical resistance Electrical oils having improved uninhibited oxidation and electrical resistance are derived by blending a substantially nitrogen and sulfur free paraffinic or naphthenic base oil with a hydrofined light gas oil having a sulfur to nitrogen weight ratio of ... | 03/12/2002 |
| 6284158 | Pumpable heat transfer composition The invention relates to pumpable heat transfer compositions wherein a solid polymeric porous structure having absorbed therein a polar or non-polar phase change material is incorporated with a heat transfer carrier liquid, with the phase change material ... | 09/04/2001 |
| 6063312 | Method of increasing the relative heat capacity of a pumpable dielectric heat transfer carrier liquid A pumpable heat transfer composition comprising a carrier liquid, a phase change material insoluble in the carrier liquid, and a solid microporous structure. The invention also comprises the method of making this composition.... | 05/16/2000 |
| 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 |
| 5855809 | Electrochemically stable electrolytes This invention relates generally to inorganic ionic liquids which function as electrolytes and do not crystallize at ambient temperature. More specifically, this invention is directed to quasi-salt inorganic ionic liquids which comprise the reaction produ... | 01/05/1999 |
| 5824829 | Hydrocarbon viscosity inhibitor and inhibiting method An inhibitor to suppress or inhibit the viscosity increase of a hydrocarbon, e.g. in a bottom section of an oil quench tower, featuring the use of a sulfonic acid and/or its salt as an effective inhibitor composition, which may optionally contain a polyme... | 10/20/1998 |
| 5215676 | Rust and stain removal composition A chemical composition consisting of a very low pH mixture of hydrochloric and phosphoric acids with organic ammonium chlorides and organic sulfate. The composition is effective for the removal of rust and stains from a variety of surfaces, including meta... | 06/01/1993 |
| 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 |
| 5094769 | Compliant thermally conductive compound A compliant thermally conductive, preferably dielectric, compound that enhances the power dissipation capability of high-powered electrical components such as bipolar VLSI semiconductor chips. The compound has chemically stable thermal conduction and visc... | 03/10/1992 |
| 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 |
| 4755275 | Electrical insulating oil A process for preparing an electrical insulating oil comprising a reaction product having a boiling range of higher than 260° C. obtained by treating a hydrocarbn feed at a reaction temperature in the range of 0° to 300° C. in liquid phase in the prese... | 07/05/1988 |
| 4716084 | Oil-impregnated capacitor An oil-impregnated capacitor made by winding at least one plastic film impregnated with an electrical insulating oil comprising 1-phenyl-1-methylphenylethane in which 1-phenyl-1-(4-methylphenyl)ethane and 1-phenyl-1-(2-methyl)ethane are present in amounts... | 12/29/1987 |
| 4699727 | Heat transfer fluids having improved thermal stability Thermally stable heat transfer fluids are disclosed which are polyoxyethylene polymers initiated with bisphenols. These polymers do not smoke excessively, volatilize, nor form sludge in high temperature heat transfer operations in open and closed systems.... | 10/13/1987 |
| 4656558 | Electrical capacitor An electrical capacitor having a rolled metallized thermoplastic strip and a liquid dielectric containing polybutene of average molecular weight of at least 800.... | 04/07/1987 |
| 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 |
| 4547467 | Dielectric composition and devices using it A composition for a dielectric ink used in a screening process including a lead-free glass frit binder, silica, and a vehicle. The dielectric composition is particularly suited for use in gas plasma display panels.... | 10/15/1985 |
| 4442027 | Electrical insulating oil composition An electrical insulating oil composition which is characterized in that said insulating oil composition contains 5 to 300 ppm (as sulfur) of sulfur compounds and exerts excellent deterioration resistance when the insulating oil composition is fed through ... | 04/10/1984 |
| 4436654 | Fire-retardant insulating oils A phosphoric triester containing at least one aromatic ring is mixed in an amount of 30 to 80% by weight based on the total constituents with a benzenetricarboxylic acid trialkyl ester or with a polyol ester obtained from trimethylolpropane and a saturate... | 03/13/1984 |
| 4343029 | Electrical device containing an aryl sulfide dielectric liquid Capacitors and similar electrical devices containing a dielectric liquid have superior properties when the dielectric liquid is a polyalkylated diphenyl sulfide. Particularly good dielectric properties are provided when the liquid consists essentially of ... | 08/03/1982 |
| 4321424 | Hydrocarbon electrical insulation oil containing tri-cresyl phosphate to increase water retention capability An oil capable of use in environments where the accumulation of water is detrimental to the intended use, the oil consisting of branched and straight chain aliphatic hydrocarbons and minor amounts of tri-cresyl phosphate.... | 03/23/1982 |
| 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 |
| 4296003 | Atomized dielectric fluid composition with high electrical strength A dielectric fluid composition with high electrical strength characterized by a first fluid selected from the group consisting of electronegative gases, such as SF6, CCl2 F2, C2 F6, CF3 Cl, ... | 10/20/1981 |
| 4288772 | Dielectric liquid impregnated with gases for use in transformers A flame retardant dielectric coolant for power transformers used in restricted environments consisting of a mixture of an electronegative gas dissolved in silicone fluid for providing improved 60 hertz breakdown voltage resistance to the fluid.... | 09/08/1981 |
| 4263158 | Dielectric compositions stabilized against water treeing with organo silane compounds containing the azomethine group and partial condensation products A dielectric composition comprising ethylene polymer and effective amounts, as a water treeing inhibitor, of at least one organo silane of the following formula: ##STR1## wherein R and R1 are independently selected from hydrogen, a hy... | 04/21/1981 |
| 4184190 | Electrical capacitor An electrical capacitor using as the insulating oil a mixture of triaryl phosphate, diisopropyl naphthalene and monoisopropyl naphthalene. The phosphate has the structural formula of ##STR1## wherein n=1 to 3; R and R' are alkyl groups, the number of... | 01/15/1980 |
| 4163731 | Fire resistant functional fluid compositions based on phosphate esters and substituted aromatic compounds Functional fluid composition comprising an ester of a phosphorus acid and a compound of the formula I in which R represents an aromatic hydrocarbon or heterocyclic containing residue, n is an integer of at least 2, and each X is the same or different and ... | 08/07/1979 |
| 4154767 | Formaldehyde-diaromatic ether reaction products Reaction of the diphenyl ether with formaldehyde, an alcohol, water and acid catalyst produces a mixture of condensation products that can be cured to useful, thermally stable resins. These condensation products are also useful as functional fluids in cap... | 05/15/1979 |
| 4110496 | Dielectric system for an electrical apparatus An improved dielectric system for an electrical apparatus. The dielectric system includes a polymeric film impregnated with low molecular weight polybutene having an average number molecular weight in the range of 300 to 500. The dielectric system has imp... | 08/29/1978 |
| 4053941 | Oil impregnated electric device There is disclosed an oil impregnated electric device in which an element of the device is impregnated with a mixture of an arylalkane compound such as 1,1-phenylxylyl ethane and an organic phosphorus compound such as phosphate or phosphite. Such electric... | 10/11/1977 |
| 3959162 | Insulating oil An insulating oil for use in electrical devices, comprising a mixture of trixylenylphosphate and 10% to 40% by volume of insulating oil having a viscosity of 5 cp to 15 cp at 30°C and selected from the group consisting of mineral oil, alkylbenzene, alkyl... | 05/25/1976 |
| 3948789 | Electrical devices containing improved dielectric fluids Improved electrical devices such as transformers, and capacitors containing an improved dielectric fluid consisting essentially of a major amount of a liquid polyorganosiloxane and a minor amount of certain selected chlorendates which are soluble in said ... | 04/06/1976 |
| 3948788 | Dielectric composition for impregnating electrical capacitors Electrical capacitors are impregnated with liquid dielectric compositions comprising mixtures of diaryl sulfones and halogen-free aromatic organic compounds.... | 04/06/1976 |
| 3948787 | Capacitor and dielectric impregnant composition therefor Electrical capacitors are impregnated with liquid dielectric compositions comprising mixtures of diaryl sulfones and esters of carboxylic acids.... | 04/06/1976 |
