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:
Mar. 27, 2018
Filed:
Apr. 21, 2015
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
George David Green, Cary, IL (US);
Warren E. Smith, Buckinghamshire, GB;
Raymond J. Swedo, Mount Prospect, IL (US);
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Abstract
A method for marking a petroleum hydrocarbon or a liquid biologically derived fuel by adding to the petroleum hydrocarbon or liquid biologically derived fuel a compound having formula C{Ph(R)(OR)}{Ph(R)(OR)}{Ph(R)(OR)}, wherein Ph represents a benzene ring, R, Rand Rindependently are C-Calkyl or C-Cheteroalkyl; R, Rand Rindependently are C-Calkyl or C-Cheteroalkyl, i, j, m, n, o and p independently are zero, one or two. Each compound having formula C{Ph(R)(OR)}{Ph(R)(OR)}{Ph(R)(OR)} is present at a level from 0.01 ppm to 20 ppm.