Developer carrying member, and developing assembly

Details Developer carrying member, and developing assembly Developer carrying member, and developing assembly

2005-06-24

2009-12-29

Shewareged, Betelhem (Department: 1794)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

C428S446000, C428S474400, C428S500000, C399S239000, C399S279000, C399S288000

Reexamination Certificate

active

07638194

ABSTRACT:
A developer carrying member is disclosed which can prevent a toner from being excessively charged in a developing assembly while keeping the charge quantity of the toner at a somewhat higher level, and seldomly causes toner melt adhesion to the developer carrying member. The developer carrying member contains a polymer having a unit represented by the chemical formula (1):

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patent: 2002/351147 (2002-12-01), None
patent: WO 2004/061530 (2004-07-01), None
Padmapriya, A.A., et al.; “A New Method for the Esterification of Sulphonic Acids”; Synthetic Communications, vol. 15, No. 12, 1057-1062 (1985).
Toppet, S., et al.; “Influence of the Reaction Medium on the Composition and the Micro-structure of Styrene-Acrylic Acid Copolymers”; J. Polym. Sci., vol. 13, 1879-1887 (1975).
Mulvaney, J.E., et al.; “Water-Soluble Copolymers Containing N-Vinylcarbazole”; J. Polym. Sci., vol. 15, 585-591 (1977).

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