Toner processes
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United States of America Patent
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Nov 24, 1998
Grant Date -
N/A
app pub date -
Jan 13, 1998
filing date -
Jan 13, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A process for the preparation of toner which involves i) flushing a colorant into a sulfonated polyester resin; ii) mixing an organic soluble dye with the colorant polyester resin of i); iii) dispersing the resulting mixture into warm water thereby enabling the formation of submicron particles; iv) allowing the resulting solution to cool below about, or about equal to the glass transition temperature of said sulfonated polyester resin; v) adding an alkali halide solution and heating; and optionally vi) recovering said toner, followed by washing and drying.
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