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

Claim 15:
16. The method of claim 10, wherein the tracer dye or the tracer pigment comprises curcumin, riboflavin, riboflavin-5′-phosphate, riboflavin-5′-sodium phosphate, tartrazine, alkannin, Quinoline Yellow WS, Fast Yellow AB, Yellow 2G, Sunset Yellow FCF, Orange GGN, cochineal, carminic Acid, carmine, Citrus Red 2, amaranth, Ponceau 4R, erythrosine, Red 2G, Allura Red AC, Indanthrene Blue RS, 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, flavoxanthin, lutein, cryoptoxanthin, rubixanthin, violaxanthin, rhodoxanthin, canthaxanthin, zeaxanthin, citranaxanthin, astaxanthin, betanin, saffron, a rubine dye, orcein, or a combination of any thereof.