Process for short-term improvement of the moisturization state of human skin epidermis; novel moisturizing compositions
US10821060B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2017 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Jun 14, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/007
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process and composition for improvement of the moisturization state of the stratum corneum of human skin epidermis comprising applying to the skin an effective amount of a composition (C) for topical use comprising at least one cosmetically acceptable excipient and a composition C1 consisting of 20-50% by weight of composition C2, which in turn includes from 3-25% by weight of a polyol, from 25-45% by weight anhydrides of the polyol, and from 30-72% by weight of polyol glycosides of the polyol, with the remainder of composition C2 to 100% by weight being made up of water; and from 50-80% by weight of glycerol and/or glycerol oligomers, with the ratio of polyol glycosides to glycerol and/or glycerol oligomers greater than or equal to 1/10 and less than or equal to 1/2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.