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:
Aug. 07, 2018
Filed:
Nov. 06, 2014
Uop Llc, Des Plaines, IL (US);
Jagannathan Govindhakannan, Des Plaines, IL (US);
Grant H. Yokomizo, Mount Prospect, IL (US);
Robert Haizmann, Rolling Meadows, IL (US);
Hans G. Lefebvre, Chicago, IL (US);
Trung Pham, Mount Prospect, IL (US);
Andrew J. Towarnicky, Chicago, IL (US);
UOP LLC, Des Plaines, IL (US);
Abstract
A process for de-ashing pitch. The pitch from a slurry hydrocracking process is mixed with a solvent. The mixture is separated into solvent and soluble materials and insoluble materials. The insoluble materials can be dried to recover solvent which may be recycled. The solvent and soluble materials are separated. The solvent may be recovered and recycled. Hi-Sol 15 may be the solvent. Additionally, CSO may be the solvent and a portion thereof may be used with the de-ashed pitch to make an asphalt binder.