Metal complex dyes for inkjet printing
US-2024199881-A1 · Jun 20, 2024 · US
Composition for aqueous ink jet
US11976204B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11976204-B2 |
| Application number | US-201917042077-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 6, 2019 |
| Priority date | Mar 28, 2018 |
| Publication date | May 7, 2024 |
| Grant date | May 7, 2024 |
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- Title
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Abstract
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A composition for aqueous ink jet contains a specific dye which is one or more coloring materials selected from the group consisting of C. I. Acid Black 172 and C. I. Acid Black 194, and a specific aromatic compound which is at least one compound selected from the group consisting of compounds represented by formulae (1) to (4) below. The content of the specific aromatic compound relative to 100 parts by mass of the specific dye is 0.2 parts by mass or more and 50 parts by mass or less.
First claim
Opening claim text (preview).
The invention claimed is: 1. A composition for an aqueous ink jet ink comprising: a specific dye which is one or more coloring materials selected from the group consisting of C. I. Acid Black 172 and C. I. Acid Black 194; and a specific aromatic compound which is at least one compound selected from the group consisting of a compound represented by formula (1) below, a compound represented by formula (2) below, and a compound represented by formula (3) below, wherein the content of the specific aromatic compound relative to 100 parts by mass of the specific dye is 0.2 parts by mass or more and 50 parts by mass or less 2. The composition for an aqueous ink jet ink according to claim 1 , wherein the content of the specific aromatic compound in the composition for aqueous ink jet is 0.02% by mass or more and 5.0% by mass or less. 3. The composition for an aqueous ink jet ink according to claim 1 , wherein the content of the specific dye in the composition for aqueous ink jet is 5.0% by mass or more and 15% by mass or less. 4. The composition for an aqueous ink jet according to claim 1 , wherein the viscosity at 25° C. is 2 mPa·s or more and 30 mPa·s or less.
Assignees
Inventors
Classifications
- C09D11/328Primary
characterised by dyes · CPC title
Sulfonic acids; Derivatives thereof · CPC title
- C09D11/38Primary
characterised by non-macromolecular additives other than solvents, pigments or dyes · CPC title
having at least one of the sulfo groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system · CPC title
Ink jet · CPC title
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- What does patent US11976204B2 cover?
- A composition for aqueous ink jet contains a specific dye which is one or more coloring materials selected from the group consisting of C. I. Acid Black 172 and C. I. Acid Black 194, and a specific aromatic compound which is at least one compound selected from the group consisting of compounds represented by formulae (1) to (4) below. The content of the specific aromatic compound relative to 10…
- Who is the assignee on this patent?
- Seiko Epson Corp
- What technology area does this patent fall under?
- Primary CPC classification C09D11/328. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 07 2024 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).