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:
Oct. 27, 2020
Filed:
Sep. 19, 2018
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
David Stubbs, Cleveland, GB;
Duncan William John McCallien, County Durham, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 33/28 (2006.01); C10L 1/20 (2006.01); C10L 1/16 (2006.01); C10L 1/00 (2006.01);
U.S. Cl.
CPC ...
G01N 33/2882 (2013.01); C10L 1/003 (2013.01); C10L 1/16 (2013.01); C10L 1/1608 (2013.01); C10L 1/201 (2013.01); C10L 1/202 (2013.01); C10L 2230/16 (2013.01); Y10T 436/13 (2015.01);
Abstract
The invention concerns a method of marking a hydrocarbon liquid comprising the step of adding to said liquid, as a tracer compound, a compound of Formula I or Formula II:wherein at least one of R-Rin Formula I and at least one of R-Rin Formula II is selected from: