Toner processes

Details Toner processes Toner processes

2005-05-10

2005-05-10

Chapman, Mark A. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

C430S137120

Reexamination Certificate

active

06890696

ABSTRACT:
A toner process comprising heating a mixture of a latex and a colorant, which heating is accomplished below about the glass transition temperature, Tg, of polymer contained in the latex; cooling; and subsequently adding a methacrylate polymer solution; adjusting the pH of the mixture resulting to permit the methacrylate polymer to precipitate on said mixture of latex and said colorant; and wherein resulting product is heated above about the glass transition temperature, Tg, of said latex polymer.

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Copending U.S. Appl. No. 10/260,377, filed Sep. 27, 2002, on “Toner Processes” by Reza Stegamat et al.

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