发明授权
US5151338A Toner and developer compositions with charge enhancing additives 失效
具有电荷增强添加剂的调色剂和显影剂组合物

Toner and developer compositions with charge enhancing additives
摘要:
A toner composition comprised of resin particles, pigment particles, and a charge enhancing additive as represented by the following formula ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are idependently selected from the group consisting of alkyl and aryl.
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