Patent · US Active

Carpet tile with wet laid dual layer nonwoven mat

US12320064B2 · kind B2 · utility

0Cited by

23References

17Claims

0Family size

Assignee

Johns Manville · US

Inventors

Richard Hausman · Waterville, US
Souvik Nandi · Englewood, US
Philip Christopher Sharpe · Weddington, US
Steven Westbrook · Mount Juliet, US

Key dates

Filing date	Jun 5, 2019
Grant date	Jun 3, 2025
Priority date	—
Expiry date	Jan 7, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/23979
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A carpet tile, includes a pile fabric layer, a primary backing coupled with the pile fabric layer, a secondary backing coupled with the primary backing, and a dual-layer wet-laid nonwoven mat. The dual-layer wet-laid nonwoven mat includes a first layer comprising a plurality of glass fibers and a first binder and a second layer comprising a plurality of synthetic fibers and a second binder.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.