Patent classifications
C
CHEMISTRY; METALLURGY
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C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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C09B
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; , e.g. PIGMENTS; MORDANTS; LAKES
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1/00
Dyes with anthracene nucleus not condensed with any other ring
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C09B1/20
Preparation from starting materials already containing the anthracene nucleus
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C09B1/36
Dyes with acylated amino groups
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C09B1/38
Urea and thiourea derivatives
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C09B1/38

FLUORESCENT DYE OIL TRACER COMPOSITIONS
20250084759 · 2025-03-13 ·

A composition includes a functionalized fluorescent dye. The functionalized fluorescent dye includes an isothiocyanate-containing compound functionalized with a functional group. The functional group includes a primary amine. The functionalized fluorescent dye can be mixed with a fluid to form a tracer fluid for tracing fluid flow in a subterranean formation.