Electrophoretic migration imaging process with neutral...

Details Electrophoretic migration imaging process with neutral... Electrophoretic migration imaging process with neutral...

G - Physics

03

G

96/14

G03G 17/04 (2006.01) C09B 33/04 (2006.01) G03G 9/08 (2006.01)

Patent

CA 1098357

ELECTROPHORETIC MIGRATION IMAGING PROCESS WITH NEUTRAL DENSITY BISAZO PIGMENTS Abstract of the Invention 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: Image wherein: R1 is a lower alkoxy group or -OCH2CONH2; R2 is H or NO2; and R3 is H or -SO2NH2.

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