Barrier patch of a foamed film and methods of improving skin appearance
US10537499B2 · kind B2 · utility
2Cited by
69References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2017 |
| Grant date | Jan 21, 2020 |
| Priority date | — |
| Expiry date | Dec 31, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/884
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A beauty care product is provided. The beauty care product has a multi-layered barrier patch with a non-foamed first layer and a foamed second layer. The non-foamed first layer has a non-foamed polymer film with a first surface and a thickness from 5 microns to 250 microns. The foamed second layer has a foamed polymer film comprising a Mean Void Volume Percentage from 45% to 80% and a thickness of from 10 microns to 250 microns. The beauty care product also has a cosmetic composition with an effective amount of a skin active agent and a pressure sensitive adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.