Photosensor having a monomolecular membranes of squarylium pigme

Details Photosensor having a monomolecular membranes of squarylium pigme Photosensor having a monomolecular membranes of squarylium pigme

1990-05-21

1992-08-18

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 74, 430129, 428333, G03G 506, B05D 118

Patent

active

051399130

ABSTRACT:
A photosensor having a photoconductive layer made of built-up monomelecular membranes containing a squarylium pigment represented by the formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents an alkyl group.

REFERENCES:
patent: 4584235 (1986-04-01), Roberts et al.
patent: 4592980 (1986-06-01), Tomida et al.
patent: 4700001 (1987-10-01), Tanaka et al.

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