Polypropylene fibres
US6646051B1 · kind B1 · utility
10Cited by
4References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2002 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Jan 24, 2022 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F6/46
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A polypropylene fibre including a polypropylene blend comprising up to 15% by weight of sPP at least 10% by weight of a first isotactic polypropylene produced by a metallocene catalyst, and optionally a second isotactic polypropylene produced by a Ziegler-Natta catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.