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:
Jul. 28, 2026
Filed:
May. 04, 2021
Applicants:
Uop Llc, Des Plaines, IL (US);
China Petroleum & Chemical Corporation, Beijing, CN;
Inventors:
Liwei Guo, Katy, TX (US);
Neelesh Rane, Des Plaines, IL (US);
Assignees:
UOP LLC, Des Plaines, IL (US);
China Petroleum & Chemical, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 37/82 (2006.01); C07C 37/00 (2006.01);
U.S. Cl.
CPC ...
C07C 37/82 (2013.01); C07C 37/007 (2013.01);
Abstract
A process for removing contaminants from coal-derived phenols is described. The process combines an extraction process with at least two adsorption zones containing adsorbents. Liquid-liquid and acid base extraction processes can be used. The adsorbents can be clays and/or zeolites. The process can be used to reduce organonitrogen compounds and organosulfur compounds to levels below 10 ppmw and to generate a colorless product.