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:
May. 10, 2022
Filed:
Mar. 25, 2019
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Robert J. Wright, Sugar Land, TX (US);
Brian A. Jazdzewski, Houston, TX (US);
Warren E. Smith, Buckinghamshire, GB;
Jeremy Chris Reyes, Lake Jackson, TX (US);
Zahid Asif, Royersford, PA (US);
Clark H. Cummins, Midland, MI (US);
William L. Winniford, Lake Jackson, TX (US);
DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);
ROHM AND HAAS COMPANY, Col, PA (US);
Abstract
A method for marking a petroleum hydrocarbon or a liquid biologically derived fuel; said method comprising adding to said petroleum hydrocarbon or liquid biologically derived fuel at least one compound that is a R, R, R, R, R, R, R, R, Rand R-substituted diaryl ether, wherein R, R, R, R, R, R, R, R, Rand Rindependently are hydrogen, hydrocarbyl or hydrocarbyloxy; wherein each compound having formula (I) is present at a level from 0.01 ppm to 20 ppm.