Electrophotographic developer composition

Details Electrophotographic developer composition Electrophotographic developer composition

1995-03-15

1996-10-15

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

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

430111, G03G 1308

Patent

active

055652956

ABSTRACT:
A dry developer composition suitable for use in the development of an electrostatic charge pattern is described. This developer composition comprises toner particles the average particle diameter whereof is comprised between 3 and 10 microns, and spacing particles the average diameter whereof is under 40 microns and at least twice the average particle diameter of the toner particles, and is characterized in that the part of spacing particles in the overall amount of spacing particles and toner particles is comprised between 1 and 8% by weight.

REFERENCES:
patent: 4555467 (1985-11-01), Hasegawa et al.
patent: 4582774 (1986-04-01), Landa
patent: 4626868 (1986-12-01), Tsai
patent: 4678734 (1987-07-01), Laing et al.
Xerox Dislosure Journal, vol. 2, No. 5, Toner Mixture for Improved Image Quality, Goel et al., 1977.
Patent Abstracts of Japan, vol. 9, No. 90(P-350) (1813) (JP-A-59-218457), 1985.
WO/91/00548, Jan. 1991.
Xerox Disclosure Journal, vol. 2, No. 5, Toner Mixture to Reduce Background Trans for Effects, S. Pond, 1977.

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