Nonwoven laminate
US12152326B1 · kind B1 · utility
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14Claims
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Key dates
| Filing date | Dec 4, 2023 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Dec 4, 2043 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2321/022
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A nonwoven laminate has a first spunbonded nonwoven web formed by crimped multicomponent filaments having a degree of crimp of more than 2.5 loops per om of their length and a second spunbonded nonwoven web formed by continuous filaments having only one elastomer based on polypropylene with a mesopentad fraction of more than 70%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.