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Nusrallah Jubran, Zbigniew Tokarski, Terrance P Smith: Organophotoreceptors for electrophotography featuring novel charge transport compounds. Imation, Amelia A Buharin, January 22, 2002: US06340548 (56 worldwide citation)

Organic photoreceptors that include a charge transport compound, a charge generating compound, and an electroconductive support in which the charge transport compound is a novel aryl hydrazone-functional carbazole compound.


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Nusrallah Jubran, Hwan Koo Lee, Kam W Law: Electrophotographic organophotoreceptors with novel charge transport compounds. Samsung Electronics, Mark A Litman & Assoc P A, December 30, 2003: US06670085 (38 worldwide citation)

Charge transport compounds are described that have a multiple number of hydrazone-bridged heterocyclic groups (especially julolidine, carbazole and/or triarylmethane groups) connected by a central bridging group. An example of charge transport compounds are those having the following generic formula ...


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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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Kam W Law, Nusrallah Jubran, Zbigniew Tokarski: Sulfonyldiphenylene-based charge transport compositions. Samsung Electronics, March 8, 2005: US06864025 (20 worldwide citation)

This invention relates to a novel organophotoreceptor that includes: (a) a charge transport composition comprising molecules having the formula where the average n is between 1 and 1000; R1, R2, R3, and R4 are, independently, hydrogen, a branched or linear alkyl group (e.g., a C1-C30 alkyl group), a ...


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Nusrallah Jubran: System for inkless fingerprinting. Minnesota Mining and Manufacturing, Gary L Griswold, Walter N Kirn, Gregory A Evearitt, October 31, 1995: US05462597 (18 worldwide citation)

A fingerprinting system comprising means capable of releasably retaining a liquid and a liquid composition releasably retained in said means, said liquid composition comprising a leuco color-former coupound, a dialkyl phthalate wherein the alkyl group contains 1-3 carbon atoms, a substrate for recei ...