Toner comprising calix arene compound

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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4301066, J03G 9087

Patent

active

057142920

ABSTRACT:
The present invention relates to a toner for developing an electrostatic latent image, comprising a calix arene compound expressed by the following ##STR1## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom, an alkyl group having a carbon number of 1 to 5, or --(CH.sub.2)mCOOR.sub.3 (in which R.sub.3 represents a hydrogen atom or a lower alkyl group; and m represents an integer of 1 to 3); n represents an integer of 0 to 7.
The present invention further relates to a charge-giving member comprising

REFERENCES:
patent: 4939060 (1990-07-01), Tomiyama et al.
patent: 5049467 (1991-09-01), Yamanaka
patent: 5318883 (1994-06-01), Yamanaka et al.

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