Toner for developing electrophotographic images and process for

Details Toner for developing electrophotographic images and process for Toner for developing electrophotographic images and process for

1989-02-23

1990-08-21

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

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

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

430904, G03G 908

Patent

active

049505750

ABSTRACT:
Disclosed is a toner for developing statically charged images, which has a substantially spherical shape and comprises a copolymer comprising, as a constituent, a water-soluble monomer having a group--SO.sub.3 X in which X stands for hydrogen, sodium, potassium or calcium.
This toner has a good charge characteristics, an excellent flowability and a uniform particle size. If this toner is used, fogging is not caused in a copied image, and the obtained image is sharp and has an excellent resolving power.

REFERENCES:
patent: 3928656 (1975-12-01), Strella
patent: 4071655 (1978-01-01), Brana
patent: 4448871 (1984-05-01), Tomaki

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