Colored petroleum markers

Details Colored petroleum markers Colored petroleum markers

1986-10-16

1988-04-05

Howard, Jacqueline V.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 65, 44 72, 260378, 260379, 260380, C10L 118

Patent

active

047356316

ABSTRACT:
Tagging compounds (which function as both dyes and markers) having the following structures: ##STR1## wherein x is an integer between 0 and 3 inclusive, y is an integer between 1 and 3 inclusive, z is 0 or 1, and R is a straight or branched chain hydrocarbon are disclosed. These compounds can be dissolved in a diluent at a concentration of from about 10 percent to about 30 percent, forming a concentrate which can be further dispersed in an organic liquid to form a final concentration of from about 1 ppm to about 15 ppm of said tagging compound in said liquid. Methods for detecting the presence of a tagged compound in an organic liquid are also disclosed.

REFERENCES:
patent: 1898953 (1933-02-01), Grossman
patent: 3164449 (1965-01-01), Buxbaum
patent: 3764273 (1973-10-01), Turner et al.
patent: 3883568 (1975-05-01), Turner et al.
Chem. Abstr. 86(22): 156961a.
European Search Report--EPO Application No. 84115025.3.

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