Preparation of hydroquinone amide compounds with antioxidant properties
US8003824B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Mar 6, 2009 |
| Grant date | Aug 23, 2011 |
| Priority date | — |
| Expiry date | Mar 6, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the preparation of compounds of formula (I) derived from arylacetic acid comprising two phenol functions and an amide function, which have free-radical scavenging and antioxidant properties and which are soluble in lipid media. These compounds can be used as cosmetic and pharmaceutical preparations for the prevention of biological degradations caused by free radicals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.