Patent · US Active

Modified spray-dried Ziegler-Natta (pro)catalyst systems

US11325928B2 · kind B2 · utility

1Cited by

24References

10Claims

0Family size

Assignee

Univation Technologies, LLC · US

Inventors

Wesley R. Mariott · Freeport, US
C. Dale Lester · South Charleston, US
Phuong A. Cao · Old Bridge, US
Michael D. Awe · Langhorne, US
Nitin Borse · Lake Jackson, US

Key dates

Filing date	Dec 3, 2018
Grant date	May 10, 2022
Priority date	—
Expiry date	Dec 9, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F4/6555
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A modified spray-dried Ziegler-Natta (pro)catalyst system comprising a Ziegler-Natta (pro)catalyst, a carrier material, and a tetrahydrofuran/ethanol modifier; polyolefins; methods of making and using same; and articles containing same.

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