Substituted dibenzofurans as fuel markers

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11274258
APP PUB NO 20210163834A1
SERIAL NO

17044943

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Abstract

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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 R1, R2, R3, R4, R5, R6, R7 and R8—substituted dibenzofuran, wherein R1, R2, R3, R4, R5, R6, R7 and R8 independently are hydrogen, hydrocarbyl, hydrocarbyloxy, aryl or aryloxy; provided that R1, R2, R3, R4, R5, R6, R7 and R8 collectively have at least two carbon atoms; wherein each compound having formula (I) is present at a level from 0.01 ppm to 20 ppm.

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Patent Owner(s)

Patent OwnerAddress
DOW GLOBAL TECHNOLOGIES LLC2211 H H DOW WAY MIDLAND MI 48674

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asif, Zahid Royersford, US 6 2
Cummins, Clark H Midland, US 46 509
Jazdzewski, Brian A Houston, US 18 169
Reyes, Jeremy Chris Lake Jackson, US 4 0
Smith, Warren E Buckinghamshire, GB 8 11
Winniford, William L Lake Jackson, US 12 36
Wright, Robert J Sugar Land, US 84 1395

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