Ink for inkjet recording, ink cartridge and inkjet recording apparatus

US8979989B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8979989-B2
Application numberUS-201313937580-A
CountryUS
Kind codeB2
Filing dateJul 9, 2013
Priority dateJul 25, 2012
Publication dateMar 17, 2015
Grant dateMar 17, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An ink for inkjet recording including a pigment, a penetrating agent and water, wherein the pigment includes: an ozone-oxidized carbon black, including carbon black oxidized by ozone and having a volatile matter content of the carbon black of 10% by mass to 20% by mass and a BET specific surface area of 90 m 2 /g to 150 m 2 /g; and a resin-coated carbon black, including: carbon black; and a resin present on a surface of the carbon black.

First claim

Opening claim text (preview).

What is claimed is: 1. An ink, comprising: a pigment, a penetrating agent selected from the group consisting of 2-ethyl-1,3-hexanediol and 2,2,4-trimethyl-1,3-pentanediol, and water, wherein the pigment comprises: an ozone-oxidized carbon black, comprising carbon black oxidized by ozone and having a volatile matter content of the carbon black of 10% by mass to 20% by mass and a BET specific surface area of 90 m 2 /g to 150 m 2 /g; and a resin-coated carbon black, compris…

Assignees

Inventors

Classifications

  • C09D11/324Primary

    Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

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What does patent US8979989B2 cover?
An ink for inkjet recording including a pigment, a penetrating agent and water, wherein the pigment includes: an ozone-oxidized carbon black, including carbon black oxidized by ozone and having a volatile matter content of the carbon black of 10% by mass to 20% by mass and a BET specific surface area of 90 m 2 /g to 150 m 2 /g; and a resin-coated carbon black, including: carbon black; and a res…
Who is the assignee on this patent?
Hakiri Minoru, Naruse Mitsuru, Nonogaki Masayasu, and 1 more
What technology area does this patent fall under?
Primary CPC classification C09D11/324. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Mar 17 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).