Yellow toner and process for producing the yellow toner
US-9323168-B2 · Apr 26, 2016 · US
Pigment dispersion and yellow resist composition for color filter and ink composition containing the pigment dispersion
US9580576B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9580576-B2 |
| Application number | US-201314375984-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 27, 2013 |
| Priority date | Feb 29, 2012 |
| Publication date | Feb 28, 2017 |
| Grant date | Feb 28, 2017 |
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Abstract
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Provided is a pigment dispersion excellent in the dispersibility of C.I. Pigment yellow 185. The pigment dispersion includes C.I. Pigment yellow 185 and a compound represented by the following formula (1), which are dispersed in a dispersing medium:
First claim
Opening claim text (preview).
The invention claimed is: 1. A pigment dispersion comprising a dispersing medium, C.I. Pigment yellow 185, and a compound represented by formula (1), the C.I. Pigment yellow 185 and the compound being dispersed in the dispersing medium: wherein: A represents —CON(R 4 )R 5 , wherein R 4 represents a hydrogen atom or an alkyl group, and R 5 represents an alkyl group; R 1 represents an alkyl group, an aryl group, or an amino group; R 3 represents an alkyl group; and R 2 represents a hydrogen atom, a cyano group, a carboxylic acid group, a carboxylic acid ester group, a carboxylic acid amide group, or a carbamoyl group, and wherein the dispersing medium is water, an organic solvent, or a mixture thereof. 2. The pigment dispersion according to claim 1 , wherein a content of the compound represented by the formula (1) is 10 to 100 parts by mass with respect to 100 parts by mass of the C.I. Pigment yellow 185. 3. An ink composition comprising the pigment dispersion according to claim 1 . 4. A yellow resist composition for a color filter comprising the pigment dispersion according to claim 1 .
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Classifications
containing acid groups, e.g. CO2H, SO3H, PO3H2, OSO3H, OPO2H2; Salts thereof · CPC title
Filters, e.g. additive colour filters; Components for display devices · CPC title
- C08K5/3432Primary
Six-membered rings · CPC title
Photosensitive materials (G03F7/12, G03F7/14 take precedence) · CPC title
mixtures containing one azo dye · CPC title
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Frequently asked questions
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- What does patent US9580576B2 cover?
- Provided is a pigment dispersion excellent in the dispersibility of C.I. Pigment yellow 185. The pigment dispersion includes C.I. Pigment yellow 185 and a compound represented by the following formula (1), which are dispersed in a dispersing medium:
- Who is the assignee on this patent?
- Canon Kk
- What technology area does this patent fall under?
- Primary CPC classification C08K5/3432. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 28 2017 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 6 related publications on this page (citations in our corpus or others sharing the same primary CPC).