Stabilizing aqueous inkjet ink compositions
US-2024400846-A1 · Dec 5, 2024 · US
Ink jet ink, ink cartridge, and ink jet recording method
US8960879B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8960879-B2 |
| Application number | US-201113291984-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 8, 2011 |
| Priority date | Nov 18, 2010 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
An ink jet ink contains a resin A, a resin B, and a pigment, in which the pigment is a halogenated metal phthalocyanine pigment being dispersed by the resin B, the resin A is a random copolymer having a carboxy group, the resin B is a block copolymer having a carboxy group, the acid value of the resin A is less than the acid value of the resin B, and the ink further includes a polybasic acid having a functional group whose pKa is 4.3 or less and a functional group whose pKa is 5.0 or more and 6.6 or less.
First claim
Opening claim text (preview).
What is claimed is: 1. An ink jet ink comprising: a resin A, a resin B, and a pigment; wherein the pigment is a halogenated metal phthalocyanine pigment being dispersed by the resin B; the resin A is a random copolymer having a carboxy group, the resin B is a block copolymer having a carboxy group, the acid value of the resin A is less than the acid value of the resin B; and the ink further includes a polybasic acid having a functional group whose pKa is 4.3 or less and…
Assignees
Inventors
Classifications
- C09D11/322Primary
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8960879B2 cover?
- An ink jet ink contains a resin A, a resin B, and a pigment, in which the pigment is a halogenated metal phthalocyanine pigment being dispersed by the resin B, the resin A is a random copolymer having a carboxy group, the resin B is a block copolymer having a carboxy group, the acid value of the resin A is less than the acid value of the resin B, and the ink further includes a polybasic acid ha…
- Who is the assignee on this patent?
- Yamashita Yoshihisa, Saito Takashi, Furuse Tsuyoshi, and 2 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 Feb 24 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).