Process for forming apertured nonwoven fabric prepared from melt blown microfibers
US5369858A · kind A · utility
89Cited by
67References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1992 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Aug 19, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/159
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nonwoven fabric comprising at least one layer of textile fibers or net of polymeric filaments and at least one web of melt blown microfibers, bonded together by hydroentangling. The nonwoven fabric may be apertured by hydroentangling or may have areas of higher density and areas of lower density. The fabric has a favorable combination of softness, dryness, tensile strength and hand. Several processes are provided for producing the nonwoven fabric of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.