Absorbent device using an apertured nonwoven as an acquisition distribution layer
US7204907B2 · kind B2 · utility
40Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2004 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Feb 26, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1313
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of making a composite intermediate layer by forming a resilient three dimensional apertured formed film; forming a nonwoven web of fibers; joining the nonwoven web with the apertured formed film; and aperturing the joined nonwoven web and formed film to create large scale apertures in the joined nonwoven web and formed film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.