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:
Nov. 08, 1983
Filed:
Sep. 01, 1981
Alain Billon, Orlienas, FR;
Pierre Renard, St Nom la Breteche, FR;
Jean-Claude Simandoux, La Graviere, FR;
Gerard Heinrich, Saint Germain en Laye, FR;
Institut Francais du Petrole, Rueil-Malmaison, FR;
Abstract
Process for deasphalting an asphaltene-containing hydrocarbon charge wherein said charge, admixed with a first fraction of light paraffinic hydrocarbon solvent, is passed through an elongate zone inclined by 2.degree. to 15.degree. to a horizontal line while a second fraction of light paraffinic hydrocarbon solvent is introduced at one or more points of the lower half of said elongate zone, downwardly in an angle from 10.degree. to 80.degree. with the main axis thereof oriented in the direction of flow of the mixture, and wherein the upper phase of deasphalted oil and the lower asphalt phase are separately withdrawn, the light hydrocarbon being separated from each of these phases.