Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Mica particles
Patent
1974-12-13
1976-01-20
White, Robert F.
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
Mica particles
29192R, 29192CP, 29420, 75169, 427216, 427217, 427436, B22F 102, B22F 302
Patent
active
039339610
ABSTRACT:
A process is provided for tabletting spherical dental amalgam alloy. The process comprises treating the particles of spherical alloy by contacting them with a hydrochloric acid solution of cupric chloride, separating the acidic cupric chloride solution from the spherical alloy particles, washing the spherical alloy particles with water, drying the spherical alloy particles to remove residual water and then compacting the treated spherical alloy particles into a solid form such as a tablet.
REFERENCES:
patent: 1803386 (1931-05-01), Fischer
patent: 3574607 (1971-04-01), Merkl
Danehower R. G.
Hoag W. E.
Pennwalt Corporation
White Robert F.
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