The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2009
Filed:
Apr. 20, 2006
Applicants:
Krishnan Viswanathan, Houston, TX (US);
Lau S. Yang, Wilmington, DE (US);
Ellen S. Lenz, West Chester, PA (US);
David W. Leyshon, West Chester, PA (US);
Inventors:
Krishnan Viswanathan, Houston, TX (US);
Lau S. Yang, Wilmington, DE (US);
Ellen S. Lenz, West Chester, PA (US);
David W. Leyshon, West Chester, PA (US);
Assignees:
Equistar Chemicals, LP, Houston, TX (US);
Lyondell Chemical Technology, L.P., Greenville, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 7/00 (2006.01); C07C 7/04 (2006.01); C07C 13/61 (2006.01);
U.S. Cl.
CPC ...
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.