Toner using small-particle size magnetic iron oxide
US-2015017581-A1 · Jan 15, 2015 · US
Magnetic carrier and two-component developer
US9500975B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9500975-B2 |
| Application number | US-201514631805-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 25, 2015 |
| Priority date | Feb 27, 2014 |
| Publication date | Nov 22, 2016 |
| Grant date | Nov 22, 2016 |
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Abstract
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Provided is a magnetic carrier, including magnetic carrier particles each including: a magnetic carrier core including a magnetic material and a resin; and a resin coating layer formed on a surface of the magnetic carrier core, in which: the resin included in the magnetic carrier core has a hydroxy group; a surface portion of the magnetic carrier core includes a specific compound; and the magnetic carrier has an adsorbed moisture amount of 0.40 mass % or less when the magnetic carrier is left to stand in an environment of a temperature of 30° C. and a humidity of 80% RH for 72 hours.
First claim
Opening claim text (preview).
What is claimed is: 1. A magnetic carrier, comprising magnetic carrier particles each comprising a magnetic carrier core, wherein the magnetic carrier core is obtained by intermediate treatment of a magnetic material-dispersed resin particle including a magnetic material and a resin having a hydroxy group, with a compound represented by the following formula (1): in which R…
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Physics · mapped topic
Physics · mapped topic
- G03G9/1075Primary
Physics · mapped topic
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Frequently asked questions
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- What does patent US9500975B2 cover?
- Provided is a magnetic carrier, including magnetic carrier particles each including: a magnetic carrier core including a magnetic material and a resin; and a resin coating layer formed on a surface of the magnetic carrier core, in which: the resin included in the magnetic carrier core has a hydroxy group; a surface portion of the magnetic carrier core includes a specific compound; and the magne…
- Who is the assignee on this patent?
- Canon Kk
- What technology area does this patent fall under?
- Primary CPC classification G03G9/1075. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Nov 22 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).