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:
Jan. 11, 2011
Filed:
Oct. 30, 2007
Daniel P. Leta, Flemington, NJ (US);
Edward W. Corcoran, Easton, PA (US);
Eric B. Sirota, Flemington, NJ (US);
Stephen M. Cundy, Lebanon, NJ (US);
Kirk C. Nadler, Houston, TX (US);
John Di-yi Ou, Houston, TX (US);
Paul F. Keusenkothen, Houston, TX (US);
Daniel P. Leta, Flemington, NJ (US);
Edward W. Corcoran, Easton, PA (US);
Eric B. Sirota, Flemington, NJ (US);
Stephen M. Cundy, Lebanon, NJ (US);
Kirk C. Nadler, Houston, TX (US);
John Di-Yi Ou, Houston, TX (US);
Paul F. Keusenkothen, Houston, TX (US);
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Abstract
This invention relates to a process of producing an upgraded product stream from steam cracker tar feedstream suitable for use in refinery or chemical plant processes or for utilization in fuel oil sales or blending. This process utilizes an ultrafiltration process for separating the steam cracker tar constituents resulting in a high recovery, low-energy process with improved separation and product properties.