Dual-layered fleece fire barrier
US10675835B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2017 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Mar 7, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2601/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A fire barrier fabric includes a first layer including a fleece, flame-retardant cellulosic fibers and a binder; and a second layer including flame-retardant cellulosic fibers and a binder. The fleece may include natural crimped wool. The fleece may include one or more of sheep wool fleece, alpaca wool fleece, cashmere wool fleece, and silk fleece. The flame-retardant cellulosic fibers may be inherently flame-retardant cellulosic fibers. The flame-retardant cellulosic fibers may include one or more of treated flame-retardant cotton fibers, flame-retardant bamboo fibers, flame-retardant viscose fibers, flame-retardant rayon fibers, and flame-retardant silica-filled viscose fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.