Magnetic toner and ink

Details Magnetic toner and ink Magnetic toner and ink

1981-12-10

1984-09-25

Demers, Arthur P.

Compositions

Magnetic

With wax, bitumen, resin, or gum

252 6251, 252 6253, 430107, 430109, 430111, 430137, 430903, 430904, H01F 126

Patent

active

044734832

ABSTRACT:
A magnetic toner or ink is used in an electrophotography. It comprises a resinous component and a magnetic having a spinel structure and having the formula ##EQU1## wherein M represents at least one of Mn, Ni, Co, Mg, Cu, Zn or Cd; and x is in a range of 0.5 to 1 and y is in a range of 0.1 to 0.571.

REFERENCES:
patent: 3471415 (1969-10-01), Friedman et al.
patent: 4002804 (1977-01-01), Akashi et al.
patent: 4108786 (1978-08-01), Takayama et al.
patent: 4154895 (1979-05-01), Ogawa et al.
patent: 4282302 (1981-08-01), Makino et al.

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