Tracer-containing composition

Details Tracer-containing composition Tracer-containing composition

1974-01-28

1979-05-01

Sebastian, Leland A.

Compositions

Miscellaneous

252408, 426 74, 426 96, 426 97, A23K 1175, C09K 300

Patent

active

041522710

ABSTRACT:
A dry homogeneous admixture including a bulk material, a micro-ingredient, and a solid particulate tracer in a preselected ratio to the micro-ingredient, comprising a vehicle of ground iron or other ferromagnetic material that will become magnetized by a magnetic field, but loses its magnetism in the absence of such a field. The vehicle itself serves as the tracer when used with magnetic detection techniques. Additional tracers are provided by coating the vehicle with detectable coatings such as dyes.

REFERENCES:
patent: 2868644 (1959-01-01), Eisenberg
patent: 2928739 (1958-06-01), Harrel
patent: 3139528 (1964-06-01), Henderson et al.
patent: 3233173 (1966-02-01), Lees et al.
patent: 3469990 (1969-09-01), Eisenberg

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