Patent · US Active

Ligand based chromium catalyst and application in catalyzing ethylene oligomerization

US10179331B2 · kind B2 · utility

0Cited by

2References

23Claims

0Family size

Assignees

CHINA PETROLEUM & CHEMICAL CORPORATION · CN
XIAMEN UNIVERSITY · CN
SHANGHAI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD. · CN

Inventors

Xianghong Zhong · Maoming, CN
Hongping Zhu · Xiamen, CN
Xiaofeng Ye · Shanghai, CN
Yucai Cao · Shanghai, CN
Shengbiao Liang · Maoming, CN
Zhenyu Liu · Greensburg, US
Shumeng XIAO · Maoming, CN
Rui Liu · Madison, US
Yanfang Huang · Shanghai, CN
Jiancheng Li · 流花街道, CN

Key dates

Filing date	Oct 19, 2016
Grant date	Jan 15, 2019
Priority date	—
Expiry date	Oct 19, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2531/24
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A ligand based chromium catalyst and application in catalyzing ethylene oligomerization are disclosed. The chromium catalyst is formed by a chromium compound and an organic ligand containing P and/or N. The substituents on N and P of the ligand can be replaced, whereby selective ethylene trimerization and tetramerization can be realized so as to produce 1-hexene and 1-octene at the same time.

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