Dielectric resin composition for film capacitor and film capacitor

US9105408B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9105408-B2
Application numberUS-201414472604-A
CountryUS
Kind codeB2
Filing dateAug 29, 2014
Priority dateFeb 29, 2012
Publication dateAug 11, 2015
Grant dateAug 11, 2015

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  5. First independent claim

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Abstract

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A resin composition constituting dielectric resin films of a film capacitor includes a first atom group including at least one functional group selected from among a methylene group, an aromatic ring and an ether group and having a relatively small molar polarizability, and a second atom group including at least one functional group selected from among a hydroxyl group, an amino group and a carbonyl group and having a relatively large molar polarizability. The resin composition satisfies the condition that a value calculated from the formula (sum of absorption band intensities of first atom group)/(sum of absorption band intensities of second atom group) is 1.0 or more. Herein, as absorption band intensities of the functional groups, peak intensities detected in specific wavenumber ranges are employed.

First claim

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The invention claimed is: 1. A dielectric resin composition for a film capacitor, the dielectric resin composition comprising: a first atom group including at least one functional group selected from among a methylene group, an aromatic ring and an ether group and having a first molar polarizability; and a second atom group including at least one functional group selected from among a hydroxyl group, an amino group and a carbonyl group and having a second molar polarizability, w…

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What does patent US9105408B2 cover?
A resin composition constituting dielectric resin films of a film capacitor includes a first atom group including at least one functional group selected from among a methylene group, an aromatic ring and an ether group and having a relatively small molar polarizability, and a second atom group including at least one functional group selected from among a hydroxyl group, an amino group and a car…
Who is the assignee on this patent?
Murata Manufacturing Co
What technology area does this patent fall under?
Primary CPC classification H01G4/18. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).