Patent · US Active

Upgrading drip oil

US7527725B2 · kind B2 · utility

4Cited by

3References

5Claims

0Family size

Assignees

Equistar Chemicals, LP · US
Lyondell Chemical Technology, L.P. · US

Inventors

Krishnan Viswanathan · Houston, US
Lau S. Yang · Wilmington, US
Ellen S. Lenz · West Chester, US
David W. Leyshon · West Chester, US

Key dates

Filing date	Apr 20, 2006
Grant date	May 5, 2009
Priority date	—
Expiry date	Aug 29, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10G2400/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method is disclosed for upgrading drip oil comprising subjecting the drip oil to multiple distillation steps to form a stream rich in aromatics and a separate stream rich in dicyclopentadiene.

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