Sheet pack
US6503232B1 · kind B1 · utility
6Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2000 |
| Grant date | Jan 7, 2003 |
| Priority date | — |
| Expiry date | Jul 20, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/0037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A sheet pack includes a moisture-permeable support and a film-forming cosmetic material at least partially supported by the moisture-permeable support. The moisture-permeable support has a yield point in its elongation-stress curve, the stress fi at the yield point is at least about 2 N/50 mm, and the elongation at yield point Si (%) divided by the elongation at break Sb (%) is no more than about 0.8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.