Process for producing polymerized toner

Details Process for producing polymerized toner Process for producing polymerized toner

2004-08-26

2008-11-18

Dote, Janis L (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Process of making developer composition

C430S137140, C430S137170

Reexamination Certificate

active

07452653

ABSTRACT:
A process for producing a polymerized toner, which comprises steps of forming an aqueous dispersion comprising the colored polymer particles, subjecting the aqueous dispersion comprising the colored polymer particles to stripping treatment in the presence of a nonionic surfactant, dehydrating and washing the aqueous dispersion, wherein washing is carried out by using a washing water a temperature of which is controlled to lower than the cloud point of the nonionic surfactant, drying the wet colored polymer particles, and then getting the colored polymer particles.

REFERENCES:
patent: 2004/0110081 (2004-06-01), Tanaka et al.
patent: 1-104601 (1989-04-01), None
patent: 5-100485 (1993-04-01), None
patent: 05-289404 (1993-11-01), None
patent: 2001-117272 (2001-04-01), None
USPTO Trademark Electronic System (TESS) printout describing US trademark Henschel Mixer. registration date Oct. 24, 2000.

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