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:
Nov. 21, 2023
Filed:
Mar. 18, 2021
Applicant:
Exxonmobil Technology and Engineering Company, Annandale, NJ (US);
Inventors:
Ashley M. Wittrig, Houston, TX (US);
Kuangnan Qian, Skillman, NJ (US);
Thomas R. Fredriksen, Milford, NJ (US);
Assignee:
ExxonMobil Technology and Engineering Company, Annandale, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/626 (2021.01); H01J 49/16 (2006.01); G01N 1/38 (2006.01); H01J 49/38 (2006.01);
U.S. Cl.
CPC ...
G01N 27/628 (2013.01); G01N 1/38 (2013.01); H01J 49/165 (2013.01); H01J 49/38 (2013.01);
Abstract
A method for detecting and analyzing olefins in petroleum by electrospray ionization mass spectrometry can include obtaining a hydrocarbon sample comprising at least about 90 wt % of saturate compounds; producing a solution comprising the hydrocarbon sample and a metal salt, the metal salt comprising a metal ion; forming olefin-metal ion complexes by electrospray ionization; and detecting the olefin-metal ion complexes using mass spectrometry.