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Class Information
Number: 252/570
Name: Compositions > Fluent dielectric
Description: Nonsolid claimed as a nonconductor of electricity.










Sub-classes under this class:

Class Number Class Name Patents
252/574 B-, p-, s-, se-, or te-containing 41
252/571 Gaseous or gas-containing 69
252/581 Halogenated polycyclic compound-containing 33
252/572 Metal- or insoluble component-containing; e.g., slurry, grease, etc. 176
252/575 N-containing 28
252/578 O-containing 69
252/573 Si-containing 86


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8710946 Rupture resistant system Apr. 29, 2014
8632703 Azeotropic and azeotrope-like compositions of E-1,1,1,4,4,5,5,5-octafluoro-2-pentene Jan. 21, 2014
8623233 Azeotropic and azeotrope-like compositions of Z-1,1,1,4,4,4-hexafluoro-2-butene, trans-1,2-dichloroethylene, and 1,1,1,3,3-pentafluorobutane Jan. 7, 2014
8617434 Additive for dielectric fluid Dec. 31, 2013
8580160 Algae oil based dielectric fluid for electrical components Nov. 12, 2013
8440116 Low viscosity mono-unsaturated acid-containing oil-based dielectric fluids May. 14, 2013
8435426 Electrical contact enhancing coating May. 7, 2013
8361351 Additive for dielectric fluid Jan. 29, 2013
8324302 Insulating composition and method for making the same Dec. 4, 2012
8318041 Stable sediment dispersion, method for production and use thereof Nov. 27, 2012
8308994 Nano-carbon hybrid structures Nov. 13, 2012
8298451 Reformer distillate as gassing additive for transformer oils Oct. 30, 2012
8268199 Electrical devices and dielectric fluids containing estolide base oils Sep. 18, 2012
8262924 Azeotropic and azeotrope-like compositions of E-1,1,1,4,4,4-hexafluoro-2-butene Sep. 11, 2012
8226859 Electrical insulation fluids for use in electrical apparatus Jul. 24, 2012
8187508 Base agent for electrical insulating oil May. 29, 2012
8178739 Tuning an oligomerizing step to produce a base oil with selected properties May. 15, 2012
8120840 Electrorheological fluid having properties of newtonian fluid Feb. 21, 2012
8097187 Additive for dielectric fluid Jan. 17, 2012
8070988 Nano-carbon hybrid structures Dec. 6, 2011
8007677 Azeotrope compositions comprising 1,1,1,2,3-pentafluoropropene and hydrogen fluoride and uses thereof Aug. 30, 2011
7972524 Azeotropic and azeotrope-like compositions of Z-1,1,1,4,4,4-hexafluoro-2-butene Jul. 5, 2011
7972525 Azeotropic and azeotrope-like compositions of E-1,1,1,4,4,4-hexafluoro-2-butene Jul. 5, 2011
7931830 Dielectric composition for use in circuitized substrates and circuitized substrate including same Apr. 26, 2011
7919017 Electrical insulation fluids for use in electrical apparatus Apr. 5, 2011
7910026 Electrical contact enhancing coating Mar. 22, 2011
7871546 Vegetable oil based dielectric coolant Jan. 18, 2011
7833440 High performance dielectric oil and the use thereof in high voltage electrical equipment Nov. 16, 2010
7815821 Additive for dielectric fluid Oct. 19, 2010
7727401 Selective purification of mono-terpenes for removal of oxygen containing species Jun. 1, 2010
7666295 Uninhibited electrical insulating oil Feb. 23, 2010
7651627 Hydrofluoroether as a heat-transfer fluid Jan. 26, 2010
7651641 Vegetable oil based dielectric fluid and methods of using same Jan. 26, 2010
7593170 Random negative index material structures in a three-dimensional volume Sep. 22, 2009
7524440 Method comprising additive for dielectric fluid Apr. 28, 2009
7510674 Dielectric fluids and processes for making same Mar. 31, 2009
7476344 Electrical apparatuses containing polytrimethylene homo- or copolyether glycol based electrical insulation fluids Jan. 13, 2009
7422709 Electromagnetic rheological (EMR) fluid and method for using the EMR fluid Sep. 9, 2008
7390427 Hydrofluoroether as a heat-transfer fluid Jun. 24, 2008
7316793 Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser Jan. 8, 2008
7252753 Dielectric fluids and processes for making same Aug. 7, 2007
7169327 Composite particle for dielectrics, ultramicroparticulate composite resin particle, composition for forming dielectrics and use thereof Jan. 30, 2007
7141188 Organic compositions Nov. 28, 2006
7128133 Hydrofluoroether as a heat-transfer fluid Oct. 31, 2006
7029605 Low dielectric constant material having thermal resistance, insulation film between semiconductor layers using the same, and semiconductor device Apr. 18, 2006
7015256 Composition for forming photosensitive dielectric material, and transfer film, dielectric material and electronic parts using the same Mar. 21, 2006
6994799 Ester-containing fluid compositions Feb. 7, 2006
6974552 Heat transfer fluid compositions for low temperature applications Dec. 13, 2005
6917512 Oil-impregnated film capacitor and preparation method thereof Jul. 12, 2005
6905638 Vegetable oil based dielectric fluid and methods of using same Jun. 14, 2005

1 2 3 4










 
 
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