Patent · US Active

Process for oligomerization

US10702861B2 · kind B2 · utility

0Cited by

1References

13Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Jerzy Klosin · Midland, US
Kara A. Milbrandt · Midland, US
Scott D. Boelter · Saginaw, US
David R. Wilson · Midland, US
Mari S. Rosen · Midland, US
Dean M. Welsh · Midland, US
Peter M. Margl · Midland, US
Kyoung Moo Koh · Midland, US
David M. Pearson · Lake Jackson, US
Rafael Huacuja · Rosharon, US

Key dates

Filing date	Jul 11, 2019
Grant date	Jul 7, 2020
Priority date	—
Expiry date	Jul 11, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2531/24
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.

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