Cross-linked non-woven mat
US12152324B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Oct 27, 2020 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Oct 27, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06N5/003
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A cross-linked nonwoven fibrous mat is disclosed comprising a core layer including a fibrous precursor mat bound with a formaldehyde-free core binder composition and a cross-linker disposed on at least one surface of the core layer, said cross-linker comprising one or more of isocyanate, polyol, and melamine functional groups. The cross-linked nonwoven mat has a hot-wet retention of at least 25%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.