Catalyst for regulating the molecular weight distribution of ethylene polymers
US4999327A · kind A · utility
12Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1988 |
| Grant date | Mar 12, 1991 |
| Priority date | — |
| Expiry date | Dec 30, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A vanadium-based catalyst is treated with certain silicon-containing compounds as a means of narrowing and effectively regulating the molecular weight distribution of the polymers produced with the catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.