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

Claim 12:
13. The method of claim 10, wherein the tracer dye or the tracer pigment has an Amax at a wavelength within a range:
from about 425 to about 430 nm;
from about 430 nm to about 435 nm;
from about 490 nm to about 510 nm;
from about 452 nm to about 460 nm;
from about 530 nm to about 550 nm;
from about 590 nm to about 610 nm;
from about 510 nm to about 520 nm;
from about 450 nm to about 500 nm;
from about 580 nm to about 585 nm;
from about 520 to about 530 nm;
or a combination of any thereof.