Patent · US Expired

Use of silanes to enhance activity in single-site polymerizations

US6642326B1 · kind B1 · utility

4Cited by
20References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 2002
Grant dateNov 4, 2003
Priority date
Expiry dateJun 6, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S526/943
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for the polymerization of olefins is disclosed. A boraaryl catalyst precursor and an activator are used in the presence of a silane modifier. A low level of silane modifier enhances the activity of the catalyst.

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