Nonwoven web and film laminate with improved strength and method of making the same
US6649548B1 · kind B1 · utility
30Cited by
70References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1999 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Sep 23, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/678
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is disclosed a nonwoven web/film laminate for use as a fabric in personal care products. The laminate is formed of at least two layers in an SF formation. The spunbond (S) layer of the laminate is formed of preferably metallocene catalyzed polypropylene. The film (F) layer is formed of a polyolefin which may be metallocene-catalyzed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.