Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1982-02-03
1984-03-20
Lesmes, George F.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428692, 428694, 428900, 427128, 427205, 427214, 427222, 252 6254, B32B 516
Patent
active
044381794
ABSTRACT:
Plastic particles having diameters of from about 1 to about 150 microns, a polymeric bonding layer on the surface thereof, are coated with magnetic particles to provide a generally uniform coating having a thickness of from about 0.05 to about 0.8 of a micron.
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patent: 4170685 (1979-10-01), Rembaum et al.
patent: 4198307 (1980-04-01), Berkowitz et al.
patent: 4267247 (1981-05-01), Ziolo et al.
Ingraham R. B.
Lesmes George F.
Schwartz P. R.
The Dow Chemical Company
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