Compositions – Magnetic – With wax – bitumen – resin – or gum
Patent
1992-05-06
1993-10-05
Willis, Jr., Prince
Compositions
Magnetic
With wax, bitumen, resin, or gum
252 6251, 252 6256, 106 20B, H01F 100, H01F 126, C09D 1100
Patent
active
052502074
ABSTRACT:
A magnetic ink concentrate essentially consisting of a dispersion of superparamagnetic solid particles in water or alcohol in the presence of a dispersant, and a process for its preparation.
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Beck Karin H.
Kormann Claudius
Raulfs Friedrich-Wilhelm
Schwab Ekkehard
BASF - Aktiengesellschaft
Diamond Alan D.
Willis Jr. Prince
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