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:
Jan. 20, 2015
Filed:
Sep. 08, 2011
Applicants:
Charles John Lord, Iii, Bartlesville, OK (US);
Lars Torsten Lambertsson, Umea, SE;
Erik Lennart Bjorn, Umea, SE;
Wolfgang Frech, Umea, SE;
Inventors:
Charles John Lord, III, Bartlesville, OK (US);
Lars Torsten Lambertsson, Umea, SE;
Erik Lennart Bjorn, Umea, SE;
Wolfgang Frech, Umea, SE;
Assignee:
ConocoPhillips Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 7/04 (2006.01); C10G 21/12 (2006.01); C22B 43/00 (2006.01); C22B 7/00 (2006.01); C23G 5/028 (2006.01);
U.S. Cl.
CPC ...
C22B 43/00 (2013.01); C22B 7/006 (2013.01); C23G 5/02893 (2013.01);
Abstract
A method of selecting a mercury-contaminated solid surface followed by heating a cleaning solution to a temperature less than 100° C. The cleaning solution can contain hydrocarbon oil and one or more organic sulfur compounds. Afterwards, the heated cleaning solution is contacted with the mercury-contaminated solid surface to remove the mercury contamination.