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Title:
METHOD FOR HAZE MITIGATION AND FILTERABILITY IMPROVEMENT FOR BASE STOCKS
Document Type and Number:
WIPO Patent Application WO/2011/046852
Kind Code:
A3
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.

Inventors:
GLEESON, James, William (5305 Jerell Court, Burke, VA, 22015, US)
SIROTA, Eric, B. (106 Bertron Road, Flemington, NJ, 08822, US)
BAKER, Charles, L. (21 Memel Drive, Thornton, PA, 19373, US)
GAAL, Dennis, A. (154 Stoneshire Drive, Glassboro, NJ, 08028, US)
MENTZER, David (P.O. Box 63, Orlean, VA, 20128, US)
GALLAGHER, John, E. (10 Stillery Road, Lebanon, NJ, 08833, US)
CHANG, Min (1623 Seneca Avenue, Mclean, VA, 22102, US)
CATHCART, Norman, G. (4590 Briar Hill Road, Cortland, NY, 13045, US)
GEIBEL, Stephen, A. (31 Prospect Terrace, Cortland, NY, 13045, US)
HURWITZ, Mark, F. (345 Snyder Hill Road, Ithaca, NY, 14850, US)
LINDSTROM, Tore, H. (1719 North Road, Tully, NY, 13159, US)
WHITLOCK, Michael, B. (526 Hoy Road, Cortland, NY, 13045, US)
Application Number:
US2010/052127
Publication Date:
December 22, 2011
Filing Date:
October 11, 2010
Export Citation:
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Assignee:
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY (1545 Route 22 East, P.O. Box 900Annandale, NJ, 08801-0900, US)
GLEESON, James, William (5305 Jerell Court, Burke, VA, 22015, US)
SIROTA, Eric, B. (106 Bertron Road, Flemington, NJ, 08822, US)
BAKER, Charles, L. (21 Memel Drive, Thornton, PA, 19373, US)
GAAL, Dennis, A. (154 Stoneshire Drive, Glassboro, NJ, 08028, US)
MENTZER, David (P.O. Box 63, Orlean, VA, 20128, US)
GALLAGHER, John, E. (10 Stillery Road, Lebanon, NJ, 08833, US)
CHANG, Min (1623 Seneca Avenue, Mclean, VA, 22102, US)
CATHCART, Norman, G. (4590 Briar Hill Road, Cortland, NY, 13045, US)
GEIBEL, Stephen, A. (31 Prospect Terrace, Cortland, NY, 13045, US)
HURWITZ, Mark, F. (345 Snyder Hill Road, Ithaca, NY, 14850, US)
LINDSTROM, Tore, H. (1719 North Road, Tully, NY, 13159, US)
WHITLOCK, Michael, B. (526 Hoy Road, Cortland, NY, 13045, US)
International Classes:
C10G31/06; C10G31/09; C10G73/02; C10G73/06
Domestic Patent References:
WO1997012013A11997-04-03
Foreign References:
US2754250A1956-07-10
US4422924A1983-12-27
US20090112041A12009-04-30
GB1073834A1967-06-28
Attorney, Agent or Firm:
BAKUN, Estelle, C. et al. (Exxonmobil Research And Engineering Company, 1545 Route 22 EastP.O. Box 90, Annandale NJ, 08801-0900, US)
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