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. 17, 2013
Filed:
Dec. 17, 2009
Johannes Leendert William Cornelis Den Boestert, Amsterdam, NL;
Duurt Renkema, Amsterdam, NL;
Marco Jordi IN Het Veld, Amsterdam, NL;
Johannes Leendert William Cornelis Den Boestert, Amsterdam, NL;
Duurt Renkema, Amsterdam, NL;
Marco Jordi In Het Veld, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
Process for removing asphaltenic particles from a hydrocarbon feed containing asphaltenic particles by treating the feed in a filter unit comprising a perforated tube surrounded by hollow longitudinal projections comprising a filter having openings of at most 50 micrometer diameter in which the internal space of each of the hollow projections is in fluid communication with the inside of the perforated tube and which filter is regularly subjected to cleaning by treating each of the projections with cleaning fluid wherein the flow of cleaning fluid is opposite to the direction of normal flow.