Semi-permanent hair straightening composition and method
US-2015374604-A1 · Dec 31, 2015 · US
Disulfide dyes
US8992633B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8992633-B2 |
| Application number | US-201214114783-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 2, 2012 |
| Priority date | May 3, 2011 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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Disclosed are compounds of formula (1) or formula (2). The compounds are useful for the dyeing of organic materials, such as keratin fibers, wool, leather, silk, cellulose or polyamides, especially keratin-containing fibers, cotton or nylon, and preferably hair, more preferably human hair. (1) (2). A-(X 1 ) p —(C sat ) r —S—S—(C sat ) q —(X 2 ) p -D (1)
First claim
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The invention claimed is: 1. Compounds of formula A-(X 1 ) p —(C sat ) r —S—S—(C sat ) q —(X 2 ) p -D (1) or formula wherein A is a radical of formula (1a) W—N═N—Ar—; (1b) Ar—N═N—W—; or (1c) Ar—N(R 4 )—N═CH—W— wherein W is a radical of a cationic aromatic substituted or unsubstituted heterocyclic compound of formulae…
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- What does patent US8992633B2 cover?
- Disclosed are compounds of formula (1) or formula (2). The compounds are useful for the dyeing of organic materials, such as keratin fibers, wool, leather, silk, cellulose or polyamides, especially keratin-containing fibers, cotton or nylon, and preferably hair, more preferably human hair. (1) (2). A-(X 1 ) p —(C sat ) r —S—S—(C sat ) q —(X 2 ) p -D (1)
- Who is the assignee on this patent?
- Marquais-Bienewald Sophie, Cremer Christian, Frohling Beate, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification A61K8/49. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Mar 31 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).