Spunbonded heat seal material
US7935646B2 · kind B2 · utility
30Cited by
28References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2001 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Jun 12, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/692
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a nonwoven web material (10) comprising thermoplastic fibers or filaments and a method of manufacture thereof. The web material has properties desirable for use on machinery having conventional heat sealing stations (26). Also, disclosed is a nonwoven infusion web material comprising thermoplastic fibers or filaments and a method of manufacture thereof. The infusion web material has properties desirable for use in making infusion packages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.