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:
Dec. 07, 2010
Filed:
Jan. 31, 2008
Applicants:
Subramanian Annamalai, Houston, TX (US);
Paul F. Keusenkothen, Houston, TX (US);
Alok Srivastava, Singapore, CN;
James N. Mccoy, Houston, TX (US);
Inventors:
Subramanian Annamalai, Houston, TX (US);
Paul F. Keusenkothen, Houston, TX (US);
Alok Srivastava, Singapore, CN;
James N. McCoy, Houston, TX (US);
Assignee:
Exxonmobil Chemical Patents Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10C 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for upgrading tar using a heat exchanger in series with a vapor/liquid separator to separate tar into a heavy tar asphaltenic material and a deasphalted tar material.