Skin pore minimizers and skin elasticity improvers
US7968607B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2008 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Feb 28, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C279/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to skin pore tighteners each of which comprises, as an active ingredient, a compound represented by the following formula:R1—OG (1)wherein R1 represents an alkyl or alkenyl group having 8 to 32 carbon atoms, and OG represents a residual group obtained by removing a hydrogen atom from a hydroxyl group of a polyhydric alcohol, monosaccharide or oligosaccharide at least one hydroxyl group of which has been sulfated or phosphatized, or a salt thereof, and also to skin elasticity improvers each of which comprises, as an active ingredient, a glyceryl ether derivative represented by the following formula:wherein R1 represents the same group as defined above, and X1 and X2 each independently represents a hydrogen atom, —SO3OH or —PO(OH)2 with the proviso that X1 and X2 are not hydrogen atoms at the same time, or a salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.