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Black ink composition, ink set, and image forming method
US9045656B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9045656-B2 |
| Application number | US-201213596779-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 28, 2012 |
| Priority date | Aug 29, 2011 |
| Publication date | Jun 2, 2015 |
| Grant date | Jun 2, 2015 |
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Abstract
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A black ink composition is provided which suppresses change in hue and can form an image with superior blocking resistance and scratch resistance. The black ink composition for ink jet recording includes a carbon black pigment; at least any one type of colorant pigment which is selected from a magenta pigment and a cyan pigment; a water-soluble polymerizable compound; a polymerization initiator; and water, wherein the average primary particle diameter of the carbon black pigment is 20 nm or more and less than 35 nm, the content ratio of the carbon black pigment with regard to the total mass of all of the pigments is 70 mass % or less, and the total mass of all of the pigments with regard to the total mass of the black ink composition is 4 mass % or less.
First claim
Opening claim text (preview).
What is claimed is: 1. A black ink composition for ink jet recording comprising: a carbon black pigment; at least any one type of colorant pigment selected from a magenta pigment and a cyan pigment; a water-soluble polymerizable compound; a polymerization initiator; and water, wherein the average primary particle diameter of the carbon black pigment is 20 nm or more and less than 35 nm, the content ratio of the carbon black pigment with regard to the total mass of all…
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Chemistry & Metallurgy · mapped topic
- C09D11/101Primary
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US9045656B2 cover?
- A black ink composition is provided which suppresses change in hue and can form an image with superior blocking resistance and scratch resistance. The black ink composition for ink jet recording includes a carbon black pigment; at least any one type of colorant pigment which is selected from a magenta pigment and a cyan pigment; a water-soluble polymerizable compound; a polymerization initiator…
- Who is the assignee on this patent?
- Sasada Misato, Kamada Toshihiro, Matsumoto Jun, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C09D11/101. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 02 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).