Sanitary tampon
US8834438B2 · kind B2 · utility
6Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2010 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | May 24, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/15422
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The covering member includes an inner side surface being in contact with the absorber and an outer side surface to come into contact with a vaginal wall when in use. The covering member contains a hydrophobic fiber with a low affinity to water and a hydrophilic fiber with a high affinity to water. In the outer side surface, an abundance ratio of the hydrophobic fiber is higher than an abundance ratio of the hydrophilic fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.