Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound

US8940465B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8940465-B2
Application numberUS-201313930869-A
CountryUS
Kind codeB2
Filing dateJun 28, 2013
Priority dateJun 29, 2012
Publication dateJan 27, 2015
Grant dateJan 27, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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An undercoat layer of an electrophotographic photosensitive member contains a polymerized product of a composition that contains an isocyanate compound having a specific structure, a resin having a specific structure, and an electron transporting substance having a specific structure.

First claim

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What is claimed is: 1. An electrophotographic photosensitive member, comprising: a support; an undercoat layer formed on the support; and a photosensitive layer formed on the undercoat layer, wherein the undercoat layer comprises a polymerized product of a composition comprising (i) an isocyanate compound which has three to six groups selected from the group consisting of —NCO group and —NHCOX 1 group and has a molecular weight of 200 to 1300, the molecular weight being cal…

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Frequently asked questions

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What does patent US8940465B2 cover?
An undercoat layer of an electrophotographic photosensitive member contains a polymerized product of a composition that contains an isocyanate compound having a specific structure, a resin having a specific structure, and an electron transporting substance having a specific structure.
Who is the assignee on this patent?
Canon Kk
What technology area does this patent fall under?
Primary CPC classification G03G5/0525. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Jan 27 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).