Polypropylene materials with high melt flow rate and good molding characteristics and methods of making
US6599985B2 · kind B2 · utility
11Cited by
13References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2001 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Oct 8, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2023/42
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides polypropylene made by dispersing at least one, cracking-resistant polymer therein for controlled rheology treatment to yield a polypropylene polymer with a high melt flow rate and good molding characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.