Electrophoretic migration imaging process with neutral density b

Details Electrophoretic migration imaging process with neutral density b Electrophoretic migration imaging process with neutral density b

1976-12-27

1977-09-13

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 13, 96 15R, 260148, G03Q 1322

Patent

active

040479447

ABSTRACT:
An improved electrophoretic imaging process is provided wherein the improvement comprises the use of electrostatic charge-bearing particles having an electrically photosensitive pigment which is the reaction product of 2,3-naphthalenediol and a diazonium salt. Preferred pigments have the following structure: ##STR1## wherein: R.sup.1 is a lower alkoxy group or --OCH.sub.2 CONH.sub.2 ;

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