Patent · US Expired

Transition metal compound and catalyst containing the same for polymerization of olefins

US6150544A · kind A · utility

19Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1999
Grant dateNov 21, 2000
Priority date
Expiry dateJan 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.