Patent · US Active

Chromium complexes and their use in olefin polymerization

US7498287B2 · kind B2 · utility

0Cited by

1References

8Claims

0Family size

Assignee

EXXONMOBIL RESEARCH AND ENGINEERING COMPANY · US

Inventors

Smita Kacker · Clinton, US
Enock Berluche · Phillipsburg, US
Robert T. Stibrany · Long Valley, US
Joseph A. Sissano · Leonardo, US
Lisa Saunders Baugh · Ringoes, US

Key dates

Filing date	Sep 25, 2007
Grant date	Mar 3, 2009
Priority date	—
Expiry date	Oct 17, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J31/183
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A composition having the formula Iwhere R1 and R2 are independently hydrogen, C1 to C12 linear and branched alkyl, C3 to C12 cycloalkyl, aryl, C1 to C12 alkoxy, F, Cl, SO3, C1 to C12 perfluoroalkyl, and N(CH3)2,

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