Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making developer composition
Reexamination Certificate
2007-07-27
2011-10-04
Chapman, Mark (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making developer composition
C430S108400
Reexamination Certificate
active
08029966
ABSTRACT:
The present invention relates to a releasing agent dispersion for toner including a releasing agent, and a dibasic acid containing an alkyl group and/or an alkenyl group or a salt of the dibasic acid, wherein at least one acid group of the dibasic acid is a carboxyl group; and a toner for electrophotography which is produced by aggregating and unifying releasing agent particles and resin particles contained in a dispersion produced by mixing or contacting the releasing agent dispersion with a resin dispersion. The releasing agent dispersion for toner according to the present invention has a good emulsifiability and a good emulsification stability, and is capable of producing a toner which is excellent in productivity and low-temperature fixing property.
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Chinese Office Action issued Mar. 11, 2011, in Patent Application No. 200710139753.0 (with English-language translation).
Chapman Mark
Kao Corporation
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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