Patent · US Active

Absorbent articles comprising stretch laminates

US11135100B2 · kind B2 · utility

12Cited by
222References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 2020
Grant dateOct 5, 2021
Priority date
Expiry dateNov 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.