Tetrazonium salt compound, disazo compound, method for preparing

Details Tetrazonium salt compound, disazo compound, method for preparing Tetrazonium salt compound, disazo compound, method for preparing

1985-06-14

1986-10-28

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 78, 430 57, G03G 506

Patent

active

046198784

ABSTRACT:
The present invention relates to a tetrazonium salt compound having the following general formula (I), ##STR1## wherein X represents an anion functional group. The present invention further relates to a disazo compound having the following general formula (II), ##STR2## wherein A represents ##STR3## (wherein R represents an alkyl such as methyl, ethyl, propyl, butyl or the like, alkoxy, nitro, halogen, cyano or halomethyl group; n represents an integer of 0, 1, 2 or 3; and R may be the same or different when n is an integer of 2 or 3), and a method for preparing the same. The present invention still further relates to a photosensitive material for use in electrophotography, characterized by providing a photosensitive layer containing a disazo pigment having the following general formula (VII), ##STR4## wherein A.sub.1 represents a coupler residue.

REFERENCES:
patent: 4535044 (1985-08-01), Higashiguchi et al.

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