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.

Date of Patent:
Sep. 03, 2024

Filed:

Jan. 17, 2019
Applicants:

Bp Corporation North America Inc., Naperville, IL (US);

Green Imaging Technologies, Inc., Fredericton, CA;

Inventors:

Qiangyi Li, Naperville, IL (US);

Christopher P. Eppig, St. Charles, IL (US);

Derrick P. Green, Fredericton, CA;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 15/08 (2006.01); G01N 1/28 (2006.01); G01N 24/08 (2006.01); G01R 33/44 (2006.01);
U.S. Cl.
CPC ...
G01N 15/088 (2013.01); G01N 1/28 (2013.01); G01N 24/08 (2013.01); G01R 33/448 (2013.01);
Abstract

A method of determining the identity of a petroleum coke sample including obtaining a nuclear magnetic resonance (NMR) measurement of the sample, determining a relaxation decay value of a fluid in the sample from the NMR measurement, comparing the relaxation decay value to relaxation decay values of known petroleum coke materials in a reference group to determine whether the petroleum coke is one of the known materials.


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