Filaments comprising an active agent nonwoven webs and methods for making same
US11434586B2 · kind B2 · utility
1Cited by
129References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2011 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Sep 12, 2031 |
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.