Process for dry milling zinc powder to produce zinc flake

Solid material comminution or disintegration – Processes – Application of solids to material

Reexamination Certificate

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C241S023000

Reexamination Certificate

active

07021573

ABSTRACT:
A method for the production of zinc flake from zinc particles by dry milling the zinc particles using a mixture of a fluorocarbon lubricant and a stearate lubricant, optionally in admixture with a hydrophobic inorganic powder.

REFERENCES:
patent: 3172546 (1965-03-01), Schreiner
patent: 3389105 (1968-06-01), Bolger
patent: 4129443 (1978-12-01), Kaufman

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