Ink jet recording method and ink jet recording apparatus
US-2024360332-A1 · Oct 31, 2024 · US
Ink set for reducing printhead corrosion
US8939544B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8939544-B2 |
| Application number | US-201414279984-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 16, 2014 |
| Priority date | May 12, 2011 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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An ink set for an inkjet printer. The ink set includes an aqueous first ink comprising a first colorant and absent any potassium ions; and an aqueous second ink comprising a second colorant and potassium ions. The second aqueous ink comprises an AI(III) additive in an amount greater than the first ink.
First claim
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The invention claimed is: 1. An ink set for an inkjet printer, the ink set comprising: an aqueous first ink comprising a first colorant and absent any potassium ions; and an aqueous second ink comprising a second colorant and potassium ions, wherein the second aqueous ink comprises an AI(III) additive in an amount greater than the first ink. 2. The ink set of claim 1 , wherein the second colorant is an azo dye having sulfonate groups.…
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- C09D11/40Primary
Chemistry & Metallurgy · mapped topic
- B41J2/14016Primary
Operations & Transport · 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 US8939544B2 cover?
- An ink set for an inkjet printer. The ink set includes an aqueous first ink comprising a first colorant and absent any potassium ions; and an aqueous second ink comprising a second colorant and potassium ions. The second aqueous ink comprises an AI(III) additive in an amount greater than the first ink.
- Who is the assignee on this patent?
- Zamtec Ltd, Memjet Technology Ltd
- What technology area does this patent fall under?
- Primary CPC classification C09D11/40. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 27 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).