Sanitary tampon
US6719743B1 · kind B1 · utility
51Cited by
12References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2000 |
| Grant date | Apr 13, 2004 |
| Priority date | — |
| Expiry date | Jun 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S604/904
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is disclosed a sanitary tampon including an absorber including: an absorbent layer made of an absorbent fibrous material; and a hydrophobic liquid-permeable layer covering the absorbent layer. The absorber is formed firstly into a flat shape and then into a column shape. The absorbent layer forming the flat absorber is formed with a plurality of small recesses which open in the surface of the absorbent layer and extend into the absorbent layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.