Patent · US Expired

Ethylene polymerization with ether modified catalyst

US4115639A · kind A · utility

21Cited by

5References

32Claims

0Family size

Assignee

UNION CARBIDE CORPORATION · US

Inventors

Gary L. Brown · South Charleston, US
Weldon C. Cummings · Victoria, US
Isaac J. Levine · Somerville, US

Key dates

Filing date	Dec 20, 1973
Grant date	Sep 19, 1978
Priority date	—
Expiry date	Dec 20, 1993

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F10/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Supported bis-cyclopentadienyl chromium [II] catalysts are modified with compounds having in their structure the moiety ##STR1## in order to improve the toughness and impact strength of the resulting ethylene polymers made therewith.

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