Toner compositions with modified polyester resins

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430137, G03G 9087

Patent

active

056862180

ABSTRACT:
A process which comprises reacting a polyester resin endcapped with hydroxyl moieties or groups with an organic acid anhydride at a temperature of from about 125.degree. C. to about 200.degree. C., thereby resulting in a polyester resin endcapped with acidic moieties or acid groups.

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patent: 4525445 (1985-06-01), De Roo et al.
patent: 4917983 (1990-04-01), Uchida et al.
patent: 4940644 (1990-07-01), Matsubara et al.
patent: 5047305 (1991-09-01), Uchida et al.
patent: 5366841 (1994-11-01), Patel et al.

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