Patent ID: 8129190
Filing Date: 2012-03-06
Classification: C10L,G01N,Y10T

Abstract:
1. A tagged product comprising: (a) a petroleum product; and (b) a tagging compound selected from a group consisting of Structure I and Structure II, wherein Structure I is wherein Structure II is and wherein (i) a concentration of between about 1 ppb and about 1000 ppb by weight of said tagging compound is dissolved in the petroleum product, (ii) each R of R (iii) n is an integer between 1 and 8, inclusive; and (iv) the tagging compound responds to near infrared light, wherein said response is (A) the tagging compound absorbs the near infrared light between about 600 nm and about 1000 nm, (B) the tagging compound emits near infrared light between about 600 nm and about 1000 nm, or (C) a combination thereof.