Absorbent core including folded substrate
US7378566B2 · kind B2 · utility
11Cited by
99References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2002 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Nov 30, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2484
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent core is provided including a substrate that performs at least one fluid handling function. At least a portion of at least one region of the substrate has been modified by aperturing, calendering, coating, creping, heating, printing, stretching, or a combination thereof to impart at least one different fluid handling function. The substrate is folded to provide a plurality of panels wherein at least a portion of one panel corresponds to at least a portion of the modified region of the substrate. An absorbent article including the absorbent core and a process for making the absorbent core are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.