Developer with surface treated silicic acid for developing elect

Details Developer with surface treated silicic acid for developing elect Developer with surface treated silicic acid for developing elect

1992-01-21

1993-04-13

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

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

430111, G03G 9097

Patent

active

052022137

ABSTRACT:
A developer for developing electrostatic latent images, comprising a mixture of toner and fine powder of silicic acid wherein the mixture has a ratio of B/A of 0.9 or larger provided that the mixture contains A wt. % thereof of the silicic acid fine powder, and contains B wt. % thereof of the silicic acid fine powder after the mixture has been passed through a 200 mesh-sieve.

REFERENCES:
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patent: 2874063 (1959-02-01), Greig
patent: 2986521 (1961-05-01), Wielicki
patent: 3392139 (1968-04-01), Dingman
patent: 3909258 (1975-09-01), Kotz
patent: 4640882 (1987-02-01), Mitsuhashi et al.
patent: 4663263 (1987-05-01), Ikeda et al.
patent: 4702986 (1987-10-01), Imai et al.
Patent Abstracts of Japan, vol. 12, No. 399 (P-775) [3246], Oct. 24, 1988.
Patent Abstracts of Japan, vol. 12, No. 300 (P-745) [3147], Aug. 16, 1988.

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