Olefin polymerization catalysts
US4458027A · kind A · utility
9Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1983 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Mar 18, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Reaction products of organic magnesium compounds and silyl esters and/or poly (silyl esters) are contacted with transition metal compounds to yield active polymerization catalysts. In a preferred embodiment, the active polymerization catalyst is further activated by contacting with a halogenating agent soluble in a hydrocarbon solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.