Absorbent articles comprising stretch laminates
US11135100B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2020 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | Nov 24, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/49023
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article includes a chassis comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet, and at least one elastically elongatable panel joined to the chassis. The elastically elongatable panel includes an ultrasonically bonded stretch laminate. The stretch laminate includes a first nonwoven and a second nonwoven, and an elastomeric film sandwiched between the first and second nonwovens. The elastomeric film has two surfaces and a skin on at least one of the surfaces. The stretch laminate further incudes a first zone and second zone. In the second zone, the laminate is elastically extensible in a stretch direction. In the first zone, the laminate is unactivated and the elastomeric film comprises activation stripes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.