Patent ID: 11898955
Assignee: SPOGEN BIOTECH INC.
Field: Measurement (Instruments)
Classification: CPC G  A | IPC G

Claim 16:
17. The method of claim 16, wherein the tracer dye or the tracer pigment comprises curcumin, riboflavin, riboflavin-5′-phosphate, tartrazine, Quinoline Yellow WS, Sunset Yellow FCF, cochineal, carminic Acid, carmine, Citrus Red 2, amaranth, Ponceau 4R, erythrosine, Allura Red AC, Patent Blue V, indigo carmine, Brilliant Blue FCF, a chlorophyllin, Green S, Fast Green FCF, a plain caramel, Caustic Sulphite Caramel, Ammonia Caramel, Sulphite Ammonia Caramel, Brown HT, alpha-carotene, beta-carotene, gamma-carotene, annatto, bixin, norbixin, paprika oleoresin, capsanthin, capsorubin, lycopene, beta-apo-8′-carotenal, ethyl ester of beta-apo-8-carotenic acid, lutein, canthaxanthin, betanin, saffron, a rubine dye, or a combination of any thereof.