Patent · US Expired

Syndiotactic vinylidene aromatic polymerization process

US6362293B1 · kind B1 · utility

11Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2000
Grant dateMar 26, 2002
Priority date
Expiry dateSep 12, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S526/907
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for preparing syndiotactic vinylidene aromatic polymers comprising contacting one or more vinylidene aromatic monomers with a concentrated catalyst premix composition comprising a Group 4 metal complex and an activating cocatalyst.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.