Nonwoven medical fabric
US8137790B2 · kind B2 · utility
3Cited by
2References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2007 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Jul 6, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24826
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of manufacturing a nonwoven fabric including at least one nonwoven web material layer having thermoplastic polymer filaments and an initial thickness Ts, wherein the method includes embossing the nonwoven web material layer to form in the layer an embossed portion having a compressed thickness Tc that is less than Ts and an expanded portion of the layer having a thickness Te that is greater than Ts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.