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US-2024316086-A1 · Sep 26, 2024 · US
Use of chromen-4-one derivatives
US9044409B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9044409-B2 |
| Application number | US-86919207-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 9, 2007 |
| Priority date | Aug 18, 2003 |
| Publication date | Jun 2, 2015 |
| Grant date | Jun 2, 2015 |
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Abstract
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The invention relates to the use of chromen-4-one derivatives of the formula I where R 1 and R 2 may be identical or different and are selected from H, —C(═O)—R 7 , —C(═O)—OR 7 , alkyl groups, alkenyl groups, hydroxyalkyl groups and/or cycloalkyl groups and/or cycloalkenyl groups, R 3 is H or alkyl groups, R 4 is H or OR 8 , R 5 and R 6 are selected from —H, —OH, alkyl groups, alkenyl groups and hydroxyalkyl groups, and R 7 is H, alkyl groups, a polyhydroxyl compound, such as, preferably, an ascorbic acid radical or glycosidic radicals, and R 8 is H or alkyl groups, where at least two of the substituents R 1 , R 2 and R 4 -R 6 are different from H or at least one substituent from R 1 and R 2 is —C(═O)—R 7 or —C(═O)—OR 7 , for the care, preservation or improvement of the general state of the skin or hair.
First claim
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The invention claimed is: 1. A method for reducing or suppressing skin unevenness, wrinkles, fine lines, rough skin or large-pored skin, comprising applying to the skin or hair of a human patient at least one compound of formula Ia or a salt thereof, with the proviso that said human is not suffering from pigment defects of the skin. 2. A me…
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- What does patent US9044409B2 cover?
- The invention relates to the use of chromen-4-one derivatives of the formula I where R 1 and R 2 may be identical or different and are selected from H, —C(═O)—R 7 , —C(═O)—OR 7 , alkyl groups, alkenyl groups, hydroxyalkyl groups and/or cycloalkyl groups and/or cycloalk…
- Who is the assignee on this patent?
- Carola Christophe, Buchholz Herwig, Huber Sylvia, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification A61K8/498. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jun 02 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).