430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
|
31 | DF | ELECTRIC OR MAGNETIC IMAGERY, E.G., XEROGRAPHY, ELECTROGRAPHY, MAGNETOGRAPHY, ETC., PROCESS, COMPOSITION, OR PRODUCT {18} |
56 | DF | .~ Radiation-sensitive composition or product {10} |
57.1 | DF | .~.~ Having plural conductive layers {2} |
58.05 | DF | .~.~.~ Charge transport layer {8} |
58.35 | DF | .~.~.~.~ Organic nitrogen in charge transport layer {3} |
58.5 | DF | .~.~.~.~.~ Nitrogen hetero ring compound {2} |
58.6 |  | .~.~.~.~.~.~ Carbazole containing or derivative |