Nonwoven fabrics made of bicomponent fibers
US12416110B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | May 12, 2017 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Oct 31, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H3/007
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to nonwoven fabrics comprising bicomponent fibers, wherein the bicomponent fibers comprise at least two distinct polymeric domains a) and b) in intimate adherence along the length of the fibers, and —polymeric domain a) comprises a compound of formula (1), wherein the substituents are as defined in the specification, and —polymeric domain b) is free of the compound of formula (1), as well as to the preparation of such nonwoven fabrics. Furthermore, the present invention is directed to corresponding bicomponent fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.