Patent · US Expired

Preparation of homopolymers and copolymers of .alpha.-monoolefins by means of a Ziegler-Natta catalyst system

US4385160A · kind A · utility

2Cited by

3References

4Claims

0Family size

Assignee

BASF SE

Inventors

James F. R. Jaggard · Ludwigshafen, DE
Peter Klaerner · Battenberg, DE
Guenther Schweier · Friedelsheim, DE

Key dates

Filing date	May 28, 1981
Grant date	May 24, 1983
Priority date	—
Expiry date	May 28, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S526/906
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Alpha-olefins are polymerized with a catalyst containing (1) TiCl.sub.3 /AlCl.sub.3 and (2) aluminum dialkyl chloride wherein (1) is prepared by milling the TiCl.sub.3 /AlCl.sub.3 with a particular phosphorous compound under special conditions and then treating with a liquid hydrocarbon and an ether and/or ester.

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