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| Number | Title | Issue Date |
| 8092722 | Varnish compositions for electrical insulation and method of using the same A varnish composition for producing an electrically insulative thermoset coating is disclosed. The varnish composition comprises a functionalized poly(phenylene ether), an unsaturated polyester, and/or a vinylester resin. The varnish composition further comprises a ... | 01/10/2012 |
| 7371500 | Positive photosensitive insulating resin composition and cured product thereof Positive photosensitive insulating resin compositions of the invention contain at least (A) an alkali soluble resin having a phenolic hydroxyl group, (B) a compound having a quinonediazido group, (C) crosslinked fine particles, (D) a compound containing at least two... | 05/13/2008 |
| 7332254 | Positive photosensitive insulating resin composition, cured product thereof, and electronic component Disclosed is a positive photosensitive insulating resin composition including: (A) an alkali soluble resin, (B) a compound having a quinonediazide group, and (C) an epoxy resin having a softening p... | 02/19/2008 |
| 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 |
| 7214454 | Positively photosensitive insulating resin composition and cured object obtained therefrom Positive photosensitive insulating resin compositions of the invention contain at least (A) an alkali soluble resin having a phenolic hydroxyl group, (B) a compound having a quinonediazido group, (C) crosslinked fine particles, (D) a compound containing at least two... | 05/08/2007 |
| 7208451 | IMS detection of chemical markers in petroleum products A method and composition for identifying chemically tagged petroleum products can be achieved by adding one or more chemicals to a selected petroleum product wherein the chemical is immune to extraction from the petroleum product by conventional inexpensive absorben... | 04/24/2007 |
| 7048875 | High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; and having ... | 05/23/2006 |
| 7015256 | Composition for forming photosensitive dielectric material, and transfer film, dielectric material and electronic parts using the same A photosensitive composition for forming a dielectric of the present invention comprising inorganic particles, an alkali developable resin and additives, wherein the additives comprise a compound having a quinonediazido group (C1), a compound containing at least two... | 03/21/2006 |
| 6994799 | Ester-containing fluid compositions Disclosed are ester-containing fluid compositions, methods of making such compositions, and methods of using such compositions. The fluid compositions comprise a mix of branched and linear ester compounds, and the fluid compositions are characterized by certain perf... | 02/07/2006 |
| 6951666 | Precursor compositions for the deposition of electrically conductive features A precursor composition for the deposition and formation of an electrical feature such as a conductive feature. The precursor composition advantageously has a viscosity of at least about 1000 centipoise and can be deposited by screen printing. The precursor composit... | 10/04/2005 |
| 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 |
| 6726857 | Dielectric fluid having defined chemical composition for use in electrical apparatus The present invention comprises a mixture of hydrocarbons having a well-defined chemical composition that is suitable for use as a dielectric coolant in electrical equipment in general, and specifically in transformers. The dielectric coolants of the present inventi... | 04/27/2004 |
| 6645404 | High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; ... | 11/11/2003 |
| 6495071 | Method of using electro-sensitive movable fluids Provided is a method for creating fluid motion of an electro-sensitive movable fluid upon application of direct-current-voltage between two electrodes adjacent the fluid, the fluid having a conductivity ς, and a viscosity η located inside a triangle in ... | 12/17/2002 |
| 6312623 | High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; ... | 11/06/2001 |
| 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 |
| 6280659 | Vegetable seed oil insulating fluid A unique, fire resistant, environmentally safe insulating oil comprised of selected vegetable oils, fortified with additives to improve stability and low temperature viscosity characteristics. The electrical equipment comprises an oil-sealed tank, the ins... | 08/28/2001 |
| 6274067 | High oleic acid oil compositions and methods of making electrical insulation fluids and devices comprising the same High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; ... | 08/14/2001 |
| 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 |
| 5912215 | Food grade dielectric fluid A food grade, biodegradable dielectric composition and method for preparation thereof, comprising an unsaturated hydrocarbon alone, or in a blend with a food grade natural or synthetic hydrocarbon, which has been processed to remove polar contaminants and... | 06/15/1999 |
| 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 |
| 5773782 | Method and apparatus for the machining of metal by spark erosion A dielectric fluid for the machining of metal by spark erosion which contains saturated aliphatic hydrocarbons with a proportion of aromatic hydrocarbons which is lower than one percent in weight and to which an additive is added, wherein organic substanc... | 06/30/1998 |
| 5741843 | Sealant compositions and sealed electrical connectors Disclosed are sealant compositions having excellent slump and spew resistant, even at relatively high operating temperatures for electrical connectors. The sealants, which are flowable at such elevated temperatures, comprise two essential components: elas... | 04/21/1998 |
| 5580265 | Sealant compositions and sealed electrical connectors Disclosed are sealant compositions having excellent slump and spew resistant, even at relatively high operating temperatures for electrical connectors. The sealants, which are flowable at such elevated temperatures, comprise two essential components: elas... | 12/03/1996 |
| 5332529 | Electric discharge machine process and fluid An electric discharge machine fluid has been discovered. The fluid comprises a naphthene oil and 0.15 to 0.50 wt % 1,6-hexamethylene bis(3,5-ditertiarybutyl-4-hydroxycinnamate). The fluid was found to increase the breakdown voltage of the fluid and to sta... | 07/26/1994 |
| 5281349 | Heat-transfer medium compositions The heat-transfer medium compositions of this invention contain biphenyl, diphenyl ether and diphenylene oxide with diphenylene oxide added in a proportion of 1 to 30% by weight and they are useful for high-temperature equipment such as chemical reactors ... | 01/25/1994 |
| 5186863 | High dielectric solvent A non-toxic chlorine and fluorine free solvent having high dielectric strength and thus being useful for cleaning electrical and electronic equipment.... | 02/16/1993 |
| 5146391 | Crosslinked electrolyte capacitors and methods of making the same Compact leak-proof electrolytic capacitors including, between the anode and the cathode, an ultrathin layer of a solid electrolyte, are disclosed. The solid electrolyte comprises a solid solution of (a) an alkali metal salt, a transition metal salt, an am... | 09/08/1992 |
| 5075022 | Heat transfer fluids A heat transfer fluid which maintains a low hydrogen permeation rate at temperatures of 350°-400° c. or higher and its pumpability at temperatures of -10° C. or lower is provided. The fluid is especially useful in solar energy collection applications. ... | 12/24/1991 |
| 5014033 | Dielectric liquid compositions containing hydroxybenzaldehyde Novel dielectrically improved liquid compositions include at least one electrical insulating oil (A), e.g., benzyltoluene or oligomers thereof, and at least one aldehyde (B) containing at least six carbon atoms, or a functionally substituted such aldehyde... | 05/07/1991 |
| 4772428 | Impregnating agents and the use thereof Liquid compositions, having dielectric properties, which contain mixtures of ditolylether isomers and alkylbenzenes.... | 09/20/1988 |
| 4756851 | Soap-thickened reenterable gelled encapsulants A gelled dielectric encapsulant material and process therefor for use in reenterable and nonreenterable communication cable splices as well as applications relating to encapsulation of electronic components comprises a plasticizer which does not stress cr... | 07/12/1988 |
| 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 |
| 4623953 | Dielectric fluid, capacitor, and transformer Disclosed is a dielectric fluid which comprises about 5 to about 40 molar percent of a first arene compound having up to seven substituent alkenyl carbon atoms and about 60 to about 95 molar percent of a diluent. The diluent can be mineral oil, a second a... | 11/18/1986 |
| 4622160 | Heat-transfer fluid Wide range heat-transfer fluids can be made by mixing methyl and/or ethyl biphenyls with diethylbenzenes. The fluids can be used at temperatures down to -20° F. (-29° C.).... | 11/11/1986 |
| 4588261 | IR-CCD imager and method of making the same An imager includes an imaging device and an lenticular array mounted on the imaging device. The imaging device includes a substrate of a semiconductor material having a pair of opposed major surfaces and an array of detectors at one of the major surfaces.... | 05/13/1986 |
| 4538206 | Dielectric fluid for a capacitor Capacitance loss is reduced in metallized film capacitors by using a cycloaliphatic epoxide as a dielectric impregnant.... | 08/27/1985 |
| 4530782 | Electrical apparatus having an improved liquid dielectric composition A dielectric liquid composition for use in an electrical apparatus, such as a transformer. The dielectric composition is composed of 10% to 90% by weight of one or more hydrocarbon oils having a molecular weight distribution peak in the range of 460 to 72... | 07/23/1985 |
| 4521826 | Dielectric fluid for a compacitor In a capacitor, a dielectric fluid including 0 to about 10 wt. % of an antioxidant, 0 to about 10 wt. % of an epoxide stabilizer, the remainder essentially a compound with more than two stearate groups. The presently preferred compound of the dielectric f... | 06/04/1985 |
