Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making developer composition
Reexamination Certificate
2007-08-07
2007-08-07
RoDee, Christopher (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making developer composition
C430S137110, C430S137170
Reexamination Certificate
active
10803894
ABSTRACT:
A method for manufacturing a polymerized toner comprising a process for forming fine droplets of a polymerizable monomer composition in an aqueous dispersion medium, and a process for polymerizing the polymerizable monomer composition after the process for forming fine droplets; wherein the process for forming fine droplets has the steps of: preparing an agitating apparatus having an agitator equipped with an agitating blade or rotor and a dispersion supply tank; providing a polymerizable monomer composition and an aqueous dispersion medium into the dispersion supply tank; then, mixing the polymerizable monomer composition and the aqueous dispersion medium by the agitator to obtain a dispersion of fine droplets; and the relationship between the peripheral velocity of the agitating blade or rotor of the agitator and the number of circulations of the dispersion is controlled.
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patent: 2003/0224276 (2003-12-01), Tsuji et al.
patent: 2032363 (1990-02-01), None
patent: 2002-221824 (2002-08-01), None
Kurokawa Hisashi
Watanabe Makoto
Armstrong Kratz Quintos Hanson & Brooks, LLP
RoDee Christopher
Zeon Corporation
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