Tocopheryl glycosides, their preparation, and their use as surfactants, as antioxidants and as the active substance preventing cell ageing in cosmetic or pharmaceutical preparations
US5780445A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1996 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Feb 2, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/522
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Tocopheryl glycosides of the general formula ##STR1## or of the general formula ##STR2## where n can adopt values of 0-6 and where R represents a radical from the group consisting of H, branched and unbranched alkyl of 1-18 carbon atoms, branched and unbranched acyl of 1-18 carbon atoms, and where R within one molecule can be identical in all positions of tie glycosyl groups, but can also adopt different meanings within one molecule, such that it is possible within one molecule to choose any desired combinations of the radicals represented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.