Ink containing anthraquinone based dye, dye used in the ink, and display

US8999050B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8999050-B2
Application numberUS-201213608569-A
CountryUS
Kind codeB2
Filing dateSep 10, 2012
Priority dateMar 9, 2010
Publication dateApr 7, 2015
Grant dateApr 7, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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An object of the present invention is to provide an anthraquinone based dye having excellent solubility in a low polar solvent and having high absorption coefficient and high light resistance and an ink containing the same. The present invention relates to an ink comprising a specific anthraquinone based dye.

First claim

Opening claim text (preview).

The invention claimed is: 1. An ink comprising an anthraquinone based dye represented by the following general formula (I) and a low polar solvent: wherein X represents a COOR 3 group; and each of R 1 to R 3 independently represents an optionally substituted alkyl group having a carbon number of from 1 to 20, provided that at least one of R 1 to R 3 is an optionally substi…

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What does patent US8999050B2 cover?
An object of the present invention is to provide an anthraquinone based dye having excellent solubility in a low polar solvent and having high absorption coefficient and high light resistance and an ink containing the same. The present invention relates to an ink comprising a specific anthraquinone based dye.
Who is the assignee on this patent?
Ishida Mio, Shiga Yasushi, Takeda Utako, and 2 more
What technology area does this patent fall under?
Primary CPC classification C09D11/52. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Apr 07 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).