Tetrarylmethane ethers as fuel markers

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United States of America Patent

PATENT NO 9926506
SERIAL NO

15308864

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Abstract

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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(R1)i(OR2)j}2{Ph(R3)m(OR4)n}{Ph(R5)o(OR6)p}, wherein Ph represents a benzene ring, R1, R3 and R5 independently are C1-C18 alkyl or C4-C18 heteroalkyl; R2, R4 and R6 independently are C1-C18 alkyl or C4-C18 heteroalkyl, i, j, m, n, o and p independently are zero, one or two. Each compound having formula C{Ph(R1)i(OR2)j}2{Ph(R3)m(OR4)n}{Ph(R5)o(OR6)p} is present at a level from 0.01 ppm to 20 ppm.

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Patent Owner(s)

  • DOW GLOBAL TECHNOLOGIES LLC; ROHM AND HAAS COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Green, George David Cary, US 28 109
Smith, Warren E Buckinghamshire, GB 8 11
Swedo, Raymond J Mount Prospect, US 83 514

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