Nonwoven fabric layered body, composite layered body, and cover sheet
US12012679B2 · kind B2 · utility
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1References
16Claims
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Key dates
| Filing date | Mar 4, 2020 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Aug 16, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2401/063
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A nonwoven fabric layered body includes a first nonwoven fabric layer including a crimped fiber (A), which is a fiber made of a thermoplastic polymer and which has an average crimp diameter of 800 μm or less; and a hydrophilic agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.