Class 252/575 - N-containing

Subclass of Class 252 - Compositions
Definition: Subject matter in which a component of the composition contains
No. of patents: 27
Last issue date: 09/19/2006

Number	Title	Issue Date
7108807	Methods for producing a dielectric, dielectric having self-generating pores, monomer for porous dielectrics, process for preparing poly-o-hydroxyamides, process for preparing polybenzoxazoles, and processes for producing an electronic component Poly-o-hydroxyamides include binaphthyl substituents as repeating units. The poly-o-hydroxyamides can be cyclized to give the polybenzoxazole by heating. Pore formation occurs, so that a dielectric having a very low dielectric constant k of less than 2.5 is obtained...	09/19/2006
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
6048618	Impregnating compounds for self-healing capacitors The present invention relates to the use of insulating fluids, selected from the group consisting of aliphatic esters, alkylbenzenes, crosslinkable compositions comprising at least one polydiene polyol, at least one polyisocyanate and at least one chemica...	04/11/2000
5948852	Process for preparing non-aqueous dispersions and their use Process for preparing non-aqueous dispersions, wherein a liquid prepolymer is emulsified in a non-aqueous liquid, the droplet size of the emulsion is adjusted to 0.1 to 30 μm and the droplet size distribution U90 is adjusted to less than 2 by ...	09/07/1999
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
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
5708558	Capacitor having dielectric material containing calcium oxide A metalized film capacitor has a plurality of electrodes separated by dielectric spacers and contains a dielectric fill system including 1 to 50 wt % of calcium oxide scavenger. This dielectric fill system is especially useful in aluminum metalized film c...	01/13/1998
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
5390073	Dielectric material containing dipolar molecules Dielectric materials having a high dipole moment density are provided. The high dipole moment density is achieved by the use of a substituted ଱-amino acid, such as N-trimethyl glycine and related homologues having nonpolar sidechain groups, with thr...	02/14/1995
5360350	Sealant compositions and sealed electrical connectors Disclosed are sealant compositions having excellent slump and spew resistance, even at relatively high operating temperatures for electrical connectors. The sealants, which are flowable at such elevated temperatures, comprise two essential components: ela...	11/01/1994
5171482	Silicone composition which does not cause faulty conduction at electrical contacts, and method for preventing conduction faults A silicone composition containing a carboxylic acid amide which develops a vapor pressure during its use in an electrical device prevents faulty conduction at electrical contacts which are caused by silicone vapor. Electrical devices made by bringing the ...	12/15/1992
4935165	Method for preventing the poor conduction at electrical switch contacts which is caused by organopolysiloxane gas The poor electrical conduction at an electrical switch contact caused by organopolysiloxane gas can be prevented by providing that a nitrogenous base gas be simultaneously present with the organopolysiloxane gas. Nitrogeneous base gases can be aliphatic a...	06/19/1990
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
4542246	Electrical insulating oil having high oxidation stability and method for production thereof An electrical insulating oil, comprising: a base oil selected from the group consisting of a mineral oil, an alkylbenzene, and a mixture of a mineral oil and an alkylbenzene; a non-basic nitrogen content in an amount of 16 ppm or more; and a basic nitrogen content ...	09/17/1985
4467395	AC Metallized capacitor and impregnant therefor An AC metallized film capacitor having a plurality of electrodes separated by a dielectric spacer contains as its impregnant system an ester dielectric fluid and 2 to 10% of a N,N-substituted carbodiimide to improve capacitance retention characteristics....	08/21/1984
4450424	Electrical insulating system An insulating system is described that incorporates a cellulosic material which is impregnated with a nitrogen content no less than 0.2% by weight and a overall density not greater than 0.9 gm/cm3. This cellulosic material when impregnated by a...	05/22/1984
4440671	Compositions of hydrocarbon-substituted diphenyl amines and high molecular weight polyethylene glycols; and the use thereof as water-tree retardants for polymers The disclosure of this application is directed to a composition which serves to improve the water-treeing resistance of polymeric compositions comprising a hydrocarbon-substituted diphenyl amine and a high molecular weight polyethylene glycol. Polymeric c...	04/03/1984
4424147	Stabilization of perchloroethylene dielectric fluids Disclosed is a method of inhibiting the attack by perchloroethylene on copper and organic polymers subject to said attack, such as parylene, by adding to perchloroethylene about 20 to about 1000 ppm of a stabilizer having the general formula ##STR1##...	01/03/1984
4317159	AC Capacitor and impregnant therefor An AC metallized film capacitor having a plurality of electrodes separated by a dielectric spacer contains as its impregnant system a dielectric fluid and 1-20% of an aliphatic or aromatic isocyanate having unreacted NCO groups to improve life characteris...	02/23/1982
4303499	Process for the production of a transformer oil A process is provided for the production of a stable, age-resisting mineral oil composition which comprises subjecting a paraffin base mineral crude oil to distillation to produce a distillate fraction boiling in the range of 270° to 400° C., solvent de...	12/01/1981
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
4293433	Perchloroethylene dielectric fluid containing pyrrole and phenol Electrical devices such as transformers and power capacitors are improved by the use of a dielectric fluid prepared by combining perchloroethylene having a low chlorinated ethane content with an antioxidant. This fluid has excellent resistance to decompos...	10/06/1981
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
4058477	Liquid crystal Schiffs bases Liquid crystal substances or compounds of the formula ##STR1## wherein R is as hereinafter set forth, as well as compositions and electro-optical apparatuses containing them are described....	11/15/1977
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
4019996	Dielectric compositions Liquid dielectric compositions useful as electrical insulators are comprised of [1] a liquid dielectric component of known type, in combination with [2] at least one member selected from the group consisting of monocyanophenoxybenzene, monocyanodiphenyl a...	04/26/1977
3933831	Perfluorinated tertiary amines Thermally and oxidatively stable perfluorinated tertiary amines of the formula: ##EQU1## ARE DISCLOSED, AS WELL AS THE PROCESS FOR MAKING THESE AND OTHER COMPOUNDS. The carbonyl group of imides or amides is reduced with SF4 using HF a...	01/20/1976

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Class 252/575 - N-containing