Articles containing nanofibers produced from low melt flow rate polymers
US8395016B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2004 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Mar 30, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/613
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to hygiene articles comprising nanofibers. The nanofibers are made from a melt film fibrillation process with a polymer composition having a melt flow rate of less than about 400 decigram per minute. The nanofibers, having a diameter of less than 1 micron, must comprise a significant number of the fibers in one layer of the web contained by the hygiene article. The hygiene articles include diapers, training pants, adult incontinence pads, catamenials products such as feminine care pads and pantiliners, tampons, personal cleansing articles, personal care articles, and personal care wipes including baby wipes, facial wipes, and feminine wipes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.