Stabilizing aqueous inkjet ink compositions
US-2024400846-A1 · Dec 5, 2024 · US
Active energy ray-curable inkjet magenta ink composition
US9109130B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9109130-B2 |
| Application number | US-201214241743-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 29, 2012 |
| Priority date | Aug 29, 2011 |
| Publication date | Aug 18, 2015 |
| Grant date | Aug 18, 2015 |
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Abstract
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The present invention provides an active energy ray-curable inkjet magenta ink composition that achieves excellent color reproducibility and is also excellent in storage stability, and an ink set using the composition. The magenta ink composition according to the present invention contains, as two kinds of quinacridone pigments, (A) unsubstituted quinacridone and (B) 2,9-dimethylquinacridone.
First claim
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The invention claimed is: 1. An active energy ray-curable inkjet magenta ink composition, comprising two kinds of quinacridone pigments, wherein the two kinds of quinacridone pigments are (A) unsubstituted quinacridone and (B) 2,9-dimethylquinacridone, said two kinds of quinacridone pigments having distinct crystal structures from one another and being present as individual components in said composition and not in the form of a solid solution. 2. The magenta in…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
- C09D11/322Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US9109130B2 cover?
- The present invention provides an active energy ray-curable inkjet magenta ink composition that achieves excellent color reproducibility and is also excellent in storage stability, and an ink set using the composition. The magenta ink composition according to the present invention contains, as two kinds of quinacridone pigments, (A) unsubstituted quinacridone and (B) 2,9-dimethylquinacridone.
- Who is the assignee on this patent?
- Konda Yohei, Okamoto Mayuko, Kameyama Yuji, and 4 more
- What technology area does this patent fall under?
- Primary CPC classification C09D11/322. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 18 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).