Filaments comprising an active agent nonwoven webs and methods for making same
US11970789B2 · kind B2 · utility
0Cited by
390References
24Claims
0Family size
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Key dates
| Filing date | Aug 29, 2022 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Sep 14, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Filaments that contain a filament-forming material and an additive, nonwoven webs, and methods for making such filaments are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.