Patent · US Active

Spunbonded heat seal material

US8216411B2 · kind B2 · utility

0Cited by

30References

16Claims

0Family size

Assignee

Ahlstrom Nonwovens LLC · US

Inventors

Helen Viazmensky · Avon, US
John M. Allen · Silsbee, US
Richard T. Giovannoni · Columbia, US

Key dates

Filing date	Mar 28, 2011
Grant date	Jul 10, 2012
Priority date	—
Expiry date	Mar 28, 2031

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 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. 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.