Transition metal compound and catalyst containing the same for polymerization of olefins
US6150544A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1999 |
| Grant date | Nov 21, 2000 |
| Priority date | — |
| Expiry date | Jan 13, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a novel transition metal composition of a metallacycle structure represented by the formula ##STR1## wherein M.sup.1 is an element of Group IVB in the Periodic Table, M.sup.2 is an element of Group IIIA in the Periodic Table, R.sup.1 and R.sup.2 each are for instance a cyclopentadienyl group, R.sup.3 and R.sup.4 each are for instance a hydrocarbon group, R5 and R6 each are a hydrogen atom and R7 and R8 indicate an indan ring formed by bonding to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.