TRACERS AND METHOD OF MARKING LIQUIDS
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United States of America Patent
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Issued Date -
Sep 22, 2022
app pub date -
Aug 18, 2020
filing date -
Sep 23, 2019
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Abstract
A method of marking a hydrocarbon liquid comprising adding to said hydrocarbon liquid a tracer compound, the tracer compound being a substituted biphenol ether having a core structure of Formula I, wherein the two R groups are the same or different and selected from straight chain, branched or cyclic alkyl groups, phenyl or substituted phenyl groups, benzyl or substituted benzyl groups, or the two R groups form a single substituent linked intramolecularly to both oxygen atoms, and wherein one or both of the aromatic rings of the core structure is further substituted with at least one non-planar group.
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