Absorbent article with function-formed topsheet, and method for manufacturing
US12053357B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2019 |
| Grant date | Aug 6, 2024 |
| Priority date | — |
| Expiry date | Feb 11, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/8497
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article in the form of a feminine hygiene pad is disclosed. The article includes a topsheet formed of a section of formed nonwoven web material having an ordered arrangement of zones, each zone comprising one or more attenuated regions adjacent to one or more built-up regions, wherein the attenuated regions have a first average basis weight and the built-up regions have a second average basis weight. Through configuration of the regions and the ordered arrangement, inclusion of melt additive to the resin(s) from which the filaments are spun and/or application of a surfactant to a surface of the topsheet, the topsheet may be imparted with a Rewet of no greater than 0.50 g and an Acquisition Time of no greater than 25 seconds, balancing competing topsheet performance characteristics in a manner acceptable or preferable for consumers/users.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.