Toner containing particulate magnetic materials

Details Toner containing particulate magnetic materials Toner containing particulate magnetic materials

1994-12-01

1997-09-30

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430137, G03G 9083

Patent

active

056724543

ABSTRACT:
A toner for developing an electrostatic latent image which includes at least particulate magnetic materials and a binder resin has no particulate magnetic materials on the surface of the toner. In the toner, wherein A and b.sub.min satisfy the relationship: b.sub.min /A>0.02, where A represents an average particle diameter of the toner, and b.sub.min represents a minimum distance between a particulate magnetic material located at a position closest to the surface of the toner and the toner surface.

REFERENCES:
patent: 3558492 (1971-01-01), Preskow
patent: 4133774 (1979-01-01), Brynko et al.
patent: 4155883 (1979-05-01), Oguchi et al.
JP-A-01 131574 (Toppan) 24 May 1989.
Image Science and Technology, M. Ochiai et al., Oct. 4, 1993, pp. 33-36.

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