Cationic direct dyes
US-10494527-B2 · Dec 3, 2019 · US
Anthraquinone azo dyes
US9546279B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9546279-B2 |
| Application number | US-201314400571-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 15, 2013 |
| Priority date | Jun 6, 2012 |
| Publication date | Jan 17, 2017 |
| Grant date | Jan 17, 2017 |
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- Title
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- Abstract
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Abstract
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Provided are anthraquinone azo dyes and dye mixtures which are distinguished by a very good build-up capacity and which also yield tinctorially strong dyeings or prints in a golden-yellow to orange shade having all around good properties, especially high temperature light fastness properties.
First claim
Opening claim text (preview).
What is claimed is: 1. An azo dye of the formula wherein R 1 is hydrogen, R 2 is hydroxy, R 3 is hydrogen, R 4 is hydrogen, and D represents a radical of the formula wherein R 5 denotes C 4 H 9 . 2. A process for the dyeing or printing of polyester material, wherein an azo dye of formula (1) according to claim 1 is applied to the polyester material or is incorporated into the polyester material. 3. A polyester material dyed or printed by the process according to claim 2 .
Assignees
Inventors
Classifications
Mixtures of two or more azo dyes · CPC title
- C09B56/12Primary
Anthraquinone-azo dyes {(from diazotised aminoanthracene C09B29/0022, azo dyes containing hydroxyl groups acylated with polyfunctional anthraquinone derivatives C09B43/26)} · CPC title
- C09B29/0022Primary
from diazotized aminoanthracene · CPC title
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Frequently asked questions
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- What does patent US9546279B2 cover?
- Provided are anthraquinone azo dyes and dye mixtures which are distinguished by a very good build-up capacity and which also yield tinctorially strong dyeings or prints in a golden-yellow to orange shade having all around good properties, especially high temperature light fastness properties.
- Who is the assignee on this patent?
- Huntsman Int Llc
- What technology area does this patent fall under?
- Primary CPC classification C09B56/12. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 17 2017 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).