Polypropylene fibres
US6720388B1 · kind B1 · utility
7Cited by
3References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2002 |
| Grant date | Apr 13, 2004 |
| Priority date | — |
| Expiry date | Jan 24, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/642
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polypropylene blend including from 0.5 to 50% by weight of a syndiotactic polypropylene having a multimodal molecular weight distribution and at least 50% by weight of an isotactic polypropylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.