Charge roller

US9423716B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9423716-B2
Application numberUS-201214375047-A
CountryUS
Kind codeB2
Filing dateMar 1, 2012
Priority dateMar 1, 2012
Publication dateAug 23, 2016
Grant dateAug 23, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present disclosure discloses a new charge roller particularly but not exclusively for charging a photoconductive element in a liquid electro-photograph (LEP) image-forming apparatus. The charge roller includes a cured composition of an aromatic diisocyanate, a polycarbonate polyester polyol, a matte agent, a surface energy modifier, and a conductive agent.

First claim

Opening claim text (preview).

The invention claimed is: 1. A charge roller for a liquid electro-photographic image-forming apparatus, comprising an inner conductive shaft, a conductive rubber layer on the inner conductive shaft, and a coating on the conductive rubber layer, said coating being obtained by curing a first composition comprising: an aromatic diisocyanate, a polycarbonate polyester polyol, a matte agent, a surface energy modifier consisting of an epoxy-functionalized fluorinated polyol, and…

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What does patent US9423716B2 cover?
The present disclosure discloses a new charge roller particularly but not exclusively for charging a photoconductive element in a liquid electro-photograph (LEP) image-forming apparatus. The charge roller includes a cured composition of an aromatic diisocyanate, a polycarbonate polyester polyol, a matte agent, a surface energy modifier, and a conductive agent.
Who is the assignee on this patent?
Li Shao-Wei, Feng Yi, Kozmiski Stanley J, and 1 more
What technology area does this patent fall under?
Primary CPC classification G03G15/0233. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Aug 23 2016 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).