Unit dose skin care package
US5616337A · kind A · utility
56Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1995 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Jan 30, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S206/812
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A unit dose package has two chambers separated by a frangible seal. A liquid or solvent is provided in one of the chambers. An absorptive pad and powder are provided in the other chamber. The liquid and powder are stored separately, to avoid decomposition of the unstable mixture. In use, the first chamber is squeezed or rolled, bursting the seal, and driving the liquid into the second chamber, where it dissolves the powder and is absorbed by the pad. The package is peeled or torn open, and the pad is removed and applied to the skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.