Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2011-07-05
2011-07-05
Le, Hoa V (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108800
Reexamination Certificate
active
07972758
ABSTRACT:
The invention provides a toner for development of an electrostatic image, which has colored particles containing a crystalline polyester resin having a melting temperature Tm1(° C.) of approximately 50 to approximately 100° C., a non-crystalline polyester resin, and a coloring agent, the temperature Tm2(° C.) of an endothermic peak derived from the crystalline polyester resin in a first process of raising temperature and the temperature Tm3(° C.) of an endothermic peak derived from the crystalline polyester resin in a second process of raising temperature, in differential scanning calorimetry based on JIS K7121:1987, satisfying the following relationships (1) and (2):in-line-formulae description="In-line Formulae" end="lead"?0≦(Tm1−Tm2)<2 (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?4<(Tm1−Tm3)≦15 (2)in-line-formulae description="In-line Formulae" end="tail"?
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Fuji 'Xerox Co., Ltd.
Le Hoa V
Oliff & Berridg,e PLC
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