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:
Mar. 12, 2013
Filed:
Oct. 13, 2009
James W. Gleeson, Burke, VA (US);
Eric B. Sirota, Flemington, NJ (US);
Charles L. Baker, Thornton, PA (US);
Dennis A. Gaal, Glassboro, NJ (US);
David Mentzer, Orlean, VA (US);
John E. Gallagher, Jr., Lebanon, NJ (US);
Min Chang, McLean, VA (US);
Norman G. Cathcart, Cortland, NY (US);
Stephen A. Geibel, Cortland, NY (US);
Mark F. Hurwitz, Ithaca, NY (US);
Tore H. Lindstrom, Tully, NY (US);
Michael B. Whitlock, Cortland, NY (US);
James W. Gleeson, Burke, VA (US);
Eric B. Sirota, Flemington, NJ (US);
Charles L. Baker, Thornton, PA (US);
Dennis A. Gaal, Glassboro, NJ (US);
David Mentzer, Orlean, VA (US);
John E. Gallagher, Jr., Lebanon, NJ (US);
Min Chang, McLean, VA (US);
Norman G. Cathcart, Cortland, NY (US);
Stephen A. Geibel, Cortland, NY (US);
Mark F. Hurwitz, Ithaca, NY (US);
Tore H. Lindstrom, Tully, NY (US);
Michael B. Whitlock, Cortland, NY (US);
Exxonmobil Research and Engineering Company, Annandale, NJ (US);
Abstract
The present invention is a process for removing waxy haze from and improving the filterability of base stocks including heavy mineral oil base stocks, gas-to-liquids (GTL) and hydrodewaxed or hydroisomerized waxy feed basestocks by filtering the waxy haze causing particles out of the base stock employing a filter characterized by a high surface area of pores accessible to the haze wax particles which have particles dimensions of no more than about 5 microns.