Patent · US Expired

Process and catalyst for producing reactor blend polyolefins

US4937299A · kind A · utility

459Cited by
6References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 1985
Grant dateJun 26, 1990
Priority date
Expiry dateFeb 1, 2005

Classification

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

Abstract

Polyolefin reactor blends obtained by polymerization of ethylene and higher alpha-olefins in the presence of a catalyst system comprising two or more metallocenes and alumoxane.

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