Electrophoretic migration imaging process

Details Electrophoretic migration imaging process Electrophoretic migration imaging process

1977-02-02

1980-04-08

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Electrophoretic imaging, process, composition, or product

430 41, 430 42, G03G 1301, G03G 1704

Patent

active

041971205

ABSTRACT:
An improved electrophoretic migration imaging process is disclosed wherein the improvement comprises the use of electrically photosensitive particles containing a colorant having an absorption maximum greater than about 410 nm. and having the formula: ##STR1## wherein n represents 0 or 1; m represents 1 or 2; Ar represents an aromatic group; Z represents the nonmetallic atoms to complete an aromatic group; and each of R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 represents hydrogen, nitro, cyano, halogen, or one of various specified organo groups.

REFERENCES:
patent: 3384565 (1968-05-01), Tulagin et al.
patent: 3681068 (1972-08-01), Johnson
patent: 3933664 (1976-01-01), Nagashima et al.
patent: 4012376 (1977-03-01), Wright

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