Polypropylene compositions for soft nonwoven fabrics
US11946177B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2020 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Apr 1, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2321/022
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention provides polypropylene compositions for producing soft nonwoven fabrics, consisting of at least three propylene-based copolymers differing in content of alpha-olefin comonomers. The provided fabrics are soft and pleasant to touch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.