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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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Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Maryte Daskeviciene, Edmundas Montrimas, Valentas Gaidelis: Organophotoreceptor with an epoxy-modified charge transport compound having an azine group. Samsung Electronics, Patterson Thuente Skaar & Christensen P A, July 27, 2004: US06768010 (18 worldwide citation)

Organophotoreceptors comprise an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:


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Nusrallah Jubran, Zbigniew Tokarski, Maryte Daskeviciene, Valentas Gaidelis, Vytautas Getautis, Edmundas Montrimas, Albina Stanisauskaite: Charge transport materials having a central disulfane linkage. Samsung Electronics, DLA Piper US, November 4, 2008: US07445877 (15 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 Y1 and Y2 comprise, independently, an aromatic group; X ...


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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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Violeta Vaitkeviciene, Sauljus Grigalevicius, Juozas V Grazulevicius, Valentas Gaidelis, Robertas Mald hacek over, Zbigniew Tokarski, Nusrallah Jubran: Polymeric charge transport materials having carbazolyl repeating units. Samsung Electronics, Patterson Thuente Skaar & Christensen PA, February 12, 2008: US07329722 (11 worldwide citation)

Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a polymeric charge transport material having the formula where n is a distribution of integers between 1 and ...


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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 ā€”(CH2)pā€” 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 ...