Treated three-dimensional apertured surge
US10238553B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2013 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Nov 6, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/53782
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surge material for use in disposable absorbent personal care products includes a wearer-facing surface, a plurality of elongate grooves in the wearer-facing surface, and a plurality of apertures disposed in the grooves and extending through the surge material. The surge material can also have an average material plane and including a plurality of ridges extending in a z-direction from the average material plane, a plurality of grooves alternating with the plurality of ridges, wherein the grooves extend in the opposite z-direction from the average material plane, and a plurality of apertures through the surge material, wherein the apertures are disposed only in the grooves. The surge material can also include a hydrophobic treatment agent disposed on the ridges and a hydrophilic treatment agent disposed within the grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.