Surface material for sanitary articles and its preparing method
US5009651A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1989 |
| Grant date | Apr 23, 1991 |
| Priority date | — |
| Expiry date | Aug 18, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/51078
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surface material for sanitary articles is composed of Layer 1, which is located on the surface in contact with the skin, and Layer 2, which is formed into a single unit with Layer 1 underneath Layer 1 with its entire surface being essentially covered by Layer 1, and with Layer 1 being composed of 50% or more hydrophobic fibers and moreover, in which at least the portion of Layer 1 covering Layer 2 possesses Section A of which the fiber density is comparatively low, Section B of which the fiber density is comparatively high, and Section C which is located at their boundary, where the area of Section C occupies 2-50% of the area of the entire surface material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.