US PATENT SUBCLASS 430 / 58.55
.~.~.~.~.~.~ Pyrazole containing (e.g., including hydrogenated pyrazole, etc.)

Current as of: June, 1999
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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}
58.55.~.~.~.~.~.~ Pyrazole containing (e.g., including hydrogenated pyrazole, etc.)

DEFINITION

Classification: 430/58.55

Pyrazole containing (e.g., including hydrogenated pyrazole, etc.):

(under subclass 58.5) Subject matter wherein the nitrogen containing hetero ring is a pyrazole or a hydrogenated pyrazole, i.e., five member hetero ring containing N-N in 1,2 positions of the hetero ring.