Xanthenes as fuel markers

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United States of America Patent

PATENT NO 11149222
APP PUB NO 20210009909A1
SERIAL NO

16975233

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ATTORNEY / AGENT: (SPONSORED)

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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, R8, R9 and R10-substituted xanthene, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, hydrocarbyl, hydrocarbyloxy, aryl or aryloxy; wherein each compound of 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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