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

Claim 13:
14. The method of claim 10, wherein the tracer dye or the tracer pigment has an Amax at one or more wavelengths selected from the group consisting of: about 400 nm, about 406 nm, about 425 nm, about 430 nm, about 440 nm, about 442 nm, about 445 nm, about 450 nm, about 460 nm, about 470 nm, about 475 nm, about 480 nm, about 490 nm, about 500 nm, about 530 nm, about 546 nm, about 550 nm, about 555 nm, about 580 nm, about 625 nm, about 630 nm, about 650 nm, about 660 nm, about 675 nm, about 680 nm, and combinations of any thereof.