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Zbigniew Tokarski, Nusrallah Jubran, Ruta Budreckiene, Gintaras Buika, Valentas Gaidelis, Juozas V Grazulevicius, Vygintas Jankauskas: Hydrazone-based charge transport materials. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, April 10, 2007: US07202002 (27 worldwide citation)

Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where R1 and R2 are, each independently, an alkyl group, an a ...


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Nusrallah Jubran, Zbigniew Tokarski, Kam Law, Vytautas Getautis, Jonas Sidaravicius, Osvaldas Paliulis, Valentas Gaidelis, Vygintas Jankauskas: Electrophotographic organophotoreceptors with novel charge transport compounds. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, June 15, 2004: US06749978 (14 worldwide citation)

Charge transport compounds are described that have a multiple number of hydrazone-bridged heterocyclic groups (especially julolidine groups, carbazole groups, triarylamine groups and (N,N-disubstituted)arylamine groups such as dialkarylamine groups (e.g. dimethylphenylamine; methylethylphenylamine, ...


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Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Jonas V Sidaravicius, Edmundas Montrimas, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas, Albina Stanisauskaite: Linked dihydrazone-based charge transport compounds. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, May 31, 2005: US06899984 (8 worldwide citation)

This invention relates to a novel organophotoreceptor that includes: (a) a charge transport compound having the formula where n is an integer from 0 to 1 inclusive; X is an (N,N-disubstituted)arylamine, such as a carbazole group, a julolidine group, or a p-(N,N-disubstituted)arylamine group (which c ...


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Zbigniew Tokarski, Nusrallah Jubran, Kam W Law, Vytautas Getautis, Jonas V Sidaravicius, Maryte Daskeviciene, Vygintas Jankauskas, Edmundas Montrimas, Valentas Gaidelis, Albina Stanisauskaite: Organophotoreceptor with charge transport compound having an epoxy group. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, April 18, 2006: US07029812 (7 worldwide citation)

This invention relates to a novel organophotoreceptor that comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a novel charge transport compound having the formula where X is a divalent hydrocarbon ...


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Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Edmundas Montrimas, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas: Linked dihydrazone-based charge transport compounds. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, November 15, 2005: US06964833 (5 worldwide citation)

Improved organophotoreceptors comprise: (a) a charge transport compound having the formula where n is an integer from 0 to 1; X is an (N,N-disubstituted)arylamine group; Ar is an aryl group or a heterocyclic group; A is a first linking group with the formula —(CH2)p— which can be branched or linear, ...


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Zbigniew Tokarski, Nusrallah Jubran, Kam W Law, Vytautas Getautis, Jonas V Sidaravicius, Maryte Daskeviciene, Vygintas Jankauskas, Edmundas Montrimas, Valentas Gaidelis, Albina Stanisauskaite: Organophotoreceptor with charge transport compound having an epoxy group. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, November 6, 2007: US07291431 (4 worldwide citation)

This invention relates to a novel organophotoreceptor that comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a novel charge transport compound having the formula where X is a divalent hydrocarbon ...


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Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Edmundas Montrimas, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas: Linked dihydrazone-based charge transport compounds. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, July 17, 2007: US07244541 (4 worldwide citation)

Improved organophotoreceptors comprise: (a) a charge transport compound having the formula  where n is an integer from 0 to 1; X is an (N,N-disubstituted)arylamine group; Ar is an aryl group or a heterocyclic group; A is a first linking group with the formula —(CH2)p — which can be branched or linea ...


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Nusrallah Jubran, Zbigniew Tokarski, Kam W Law, Eric Morrison, Vytautas Getautis, Vygintas Jankauskas: Organophotoreceptor with a charge transport material having two (9-fluorenylidene)malononitrile groups. Samsung Electric, Patterson Thuente Skaar & Christensen P A, August 22, 2006: US07094510 (4 worldwide citation)

Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula X-Z-X′ where X and X′ are, each independently, a (9-fluorenyl ...


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Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Jonas Sidaravicius, Edmundas Montrimas, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas, Albina Stanisauskaite: Hydrazone-based charge transport materials. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, January 30, 2007: US07169521 (4 worldwide citation)

Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula  where R1 and R2 are, each independently, an alkyl group, an ...