Polypropylene fibers and items made therefrom
US6458726B1 · kind B1 · utility
31Cited by
62References
103Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1999 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Jul 15, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/696
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Process of producing skin-core fibers and the resulting fibers and nonwoven materials and articles wherein the fibers are composed of a polymer blend of a polyolefin and polymeric bond curve enhancing agents, such as ethylene vinyl acetate polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.