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Class Information
Number: 430/58.4
Name: Radiation imagery chemistry: process, composition, or product thereof > Electric or magnetic imagery, e.g., xerography, electrography, magnetography, etc., process, composition, or product > Radiation-sensitive composition or product > Having plural conductive layers > Charge transport layer > Organic nitrogen in charge transport layer > Hydrazone containing
Description: Subject matter wherein the organic nitrogen compound is a hydrazone compound, i.e., compound of the formula R 2










Sub-classes under this class:

Class Number Class Name Patents
430/58.45 Additional nitrogen attached indirectly to the hydrazone group by nonionic bonding 185


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8609310 Electrophotographic photoreceptor, process cartridge, and image forming apparatus Dec. 17, 2013
8404411 Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge Mar. 26, 2013
8404413 Flexible imaging members having stress-free imaging layer(s) Mar. 26, 2013
8211603 Photoreceptor Jul. 3, 2012
7674565 Protective overcoat Mar. 9, 2010
7635548 Photoreceptor Dec. 22, 2009
7553592 Photoreceptor with electron acceptor Jun. 30, 2009
7547842 Spatially-doped charge transport layers Jun. 16, 2009
7534541 Heterocycle-hydrazone based charge transport materials May. 19, 2009
7510809 Electrophotographic photoreceptor with two layer charge transfer layer, and apparatus utilizing the same Mar. 31, 2009
7452641 Electrophotographic organophotoreceptors with novel charge transport compounds Nov. 18, 2008
7432028 Polymeric charge transport compositions Oct. 7, 2008
7427460 Hydrazone-based charge transport materials having an ethylenically unsaturated group Sep. 23, 2008
7358014 Electrophotographic organophotoreceptors with novel charge transport compounds Apr. 15, 2008
7358015 Plasticized photoconductor Apr. 15, 2008
7326506 Bridged charge transport materials having a central sulfur atom linkage Feb. 5, 2008
7300731 Spatially-doped charge transport layers Nov. 27, 2007
7291428 Imaging members Nov. 6, 2007
7195850 Photoconductor with light fatigue additives Mar. 27, 2007
7153574 Surface grafted metal oxide particles and compositions comprising the same Dec. 26, 2006
7125633 Imaging member having a dual charge transport layer Oct. 24, 2006
7112391 Electrophotographic organophotoreceptors with novel charge transport compounds Sep. 26, 2006
7083884 Organophotoreceptor with charge transport material having a hydrazone group linked to an epoxy group and a heterocyclic ring Aug. 1, 2006
7037632 Organophotoreceptor with charge transport material with fluorenone azine groups May. 2, 2006
7033714 Imaging members Apr. 25, 2006
7011917 Organophotoreceptor with charge transport material having bis(9-fluorenone) azine groups Mar. 14, 2006
7005222 Imaging members Feb. 28, 2006
6946225 Electrophotographic element protected from photofatigue induced by visible light Sep. 20, 2005
6905804 Electrophotographic organophotoreceptors with novel charge transport materials Jun. 14, 2005
6887634 Electrophotographic organophotoreceptors with novel charge transport compounds May. 3, 2005
6835514 Hydrazone-based charge transport compounds Dec. 28, 2004
6787276 Dual layer photoconductors with charge transport layer including styrene-acrylic resin Sep. 7, 2004
6749978 Electrophotographic organophotoreceptors with novel charge transport compounds Jun. 15, 2004
6670085 Electrophotographic organophotoreceptors with novel charge transport compounds Dec. 30, 2003
6645686 Electrophotographic imaging members Nov. 11, 2003
6645685 Process for producing printed wiring board Nov. 11, 2003
6544702 Charge transport layers comprising hydrazones and photoconductors including the same Apr. 8, 2003
6350553 Electrophotographic photoconductors comprising polyaryl ethers Feb. 26, 2002
6287736 Photosensitive body for electrophotography Sep. 11, 2001
6268095 Photoconductor for electrophotography Jul. 31, 2001
6265124 Photoconductors and charge generation layers comprising polymeric hindered phenols Jul. 24, 2001
6245471 Charge generation layers comprising at least one titanate and photoconductors including the same Jun. 12, 2001
6242144 Electrophotographic imaging members Jun. 5, 2001
6232025 Electrophotographic photoconductors comprising polaryl ethers May. 15, 2001
6214502 Charge generation layers comprising binder blends and photoconductors including the same Apr. 10, 2001
6210847 Crystalline oxotitanylphthalocyanine and electrophotographic photoreceptor using the same Apr. 3, 2001
6207334 Photoreceptor with improved combination of overcoat layer and charge transport layer Mar. 27, 2001
6080518 Electrophotographic photoconductor containing simple quinones to improve electrical properties Jun. 27, 2000
6066427 Methods for making a charge generating layers comprising type I polymorph of titanyl phthalocyanine with reduced photosensitivity and photoconductors including the same May. 23, 2000
6045957 Photoconductor for electrophotography Apr. 4, 2000

1 2 3 4










 
 
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